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Beidellite-Montmorillonite Series

A solid-solution series between two end-member minerals
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About Beidellite-Montmorillonite SeriesHide

Series Formula:
(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O to (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
A series between Beidellite and Montmorillonite


Unique IdentifiersHide

Mindat ID:
38949
Long-form identifier:
mindat:1:1:38949:9

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0002868MontmorilloniteViani A, Gualtieri A, Artioli G (2002) The nature of disorder in montmorillonite by simulation of X-ray powder patterns American Mineralogist 87 966-97520020293
0009126MontmorilloniteGournis D, Lappas A, Karakassides M A, Tobbens D, Moukarika A (2008) A neutron diffraction study of alkali cation migration in montmorillonites Physics and Chemistry of Minerals 35 49-5820080293
0009127MontmorilloniteGournis D, Lappas A, Karakassides M A, Tobbens D, Moukarika A (2008) A neutron diffraction study of alkali cation migration in montmorillonites Physics and Chemistry of Minerals 35 49-5820080293
0009128MontmorilloniteGournis D, Lappas A, Karakassides M A, Tobbens D, Moukarika A (2008) A neutron diffraction study of alkali cation migration in montmorillonites Physics and Chemistry of Minerals 35 49-5820080293
0009129MontmorilloniteGournis D, Lappas A, Karakassides M A, Tobbens D, Moukarika A (2008) A neutron diffraction study of alkali cation migration in montmorillonites Physics and Chemistry of Minerals 35 49-5820080293
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Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Beidellite-Montmorillonite Series in petrologyHide

Internet Links for Beidellite-Montmorillonite SeriesHide

References for Beidellite-Montmorillonite SeriesHide

Reference List:

Localities for Beidellite-Montmorillonite SeriesHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Afghanistan
 
  • Nuristan
    • Nilaw-Kolum pegmatite field
[Montmorillonite] Betts (n.d.)
[Montmorillonite] Jessica D. DeWitt et al. (2020)
Antarctica
 
  • East Antarctica
    • Queen Maud Land
      • Queen Fabiola Mountains
[Montmorillonite] Gyollai et al. (2016)
    • Victoria Land
      • Ross Archipelago
        • Ross Island
[Montmorillonite] Browne
[Montmorillonite] Kammerer (2011)
Argentina
 
  • Chubut Province
    • Cushamen Department
[Beidellite] Padrón de Minas de la Provincia de Chubut (2005)
[Beidellite] Padrón de Minas de la Provincia de Chubut (2005)
    • Escalante Department
[Beidellite] Padrón de Minas de la Provincia de Chubut (2005)
[Beidellite] Padrón de Minas de la Provincia de Chubut (2005)
[Montmorillonite] Padrón de Minas de la Provincia de Chubut (2005)
[Montmorillonite] Padrón de Minas de la Provincia de Chubut (2005)
[Montmorillonite] Padrón de Minas de la Provincia de Chubut (2005)
[Montmorillonite] Padrón de Minas de la Provincia de Chubut (2005)
[Beidellite] Padrón de Minas de la Provincia de Chubut (2005)
[Montmorillonite] Padrón de Minas de la Provincia de Chubut (2005)
    • Mártires Department
      • Las Plumas
[Montmorillonite] Padrón de Minas de la Provincia de Chubut (2005)
  • Jujuy Province
    • Susques Department
      • Coranzuli
[Montmorillonite] Helvaci et al. (2000) +2 other references
  • Mendoza Province
    • Las Heras Department
      • Uspallata District
        • Paramillos de Uspallata
[Montmorillonite] Singer et al. (2008)
    • Malargüe Department
      • Agua Escondida District
        • Don Sixto Project
[Montmorillonite] RUBINSTEIN
  • Neuquén Province
    • Añelo Department
[Montmorillonite] Musso et al. (2022)
      • Los Chihuidos
[Montmorillonite] Rainoldi et al. (2024)
    • Loncopué department
      • Loncopué
        • Mellao Morales
[Montmorillonite] Singer et al. (2008)
    • Ñorquín Department
      • Caviahue-Copahue
        • Copahue Geothermal Field
[Montmorillonite] Mas et al. (1994)
  • Salta Province
    • Los Andes department
      • San Antonio de los Cobres
        • El Quevar mining district
[Montmorillonite] ROBL +1 other reference
[Montmorillonite] Paz et al. (2016)
  • San Juan Province
    • Calingasta Department
      • Calingasta
[Montmorillonite] Zubía et al. (2008)
      • Casposo Property
[Montmorillonite] Valencia (2024)
    • Jáchal Department
      • Mogna
[Montmorillonite] www.mineralatlas.com (n.d.)
[Montmorillonite] Hugo A. Peña (1970)
Armenia
 
  • Kotayk Province
    • Hrazdan
[Montmorillonite] Bowell et al. (2021)
      • Megradzor
[Montmorillonite] Kolpakova et al. (2001)
  • Tavush Province
    • Ijevan
[Montmorillonite] Pavel.M. Kartashov (n.d.)
Atlantic Ocean
 
[Beidellite] Martos-Villa +5 other references
  • Mid-Atlantic Ridge complex
[Montmorillonite] Milinovic +6 other references
Australia
 
  • New South Wales
    • Bland Co.
      • Temora
[Montmorillonite] Wilde (1988)
    • Buller Co.
      • Drake district
[Montmorillonite] Henley et al. (2001)
    • Clive Co.
[Montmorillonite] Henley et al. (2001)
    • Cumberland County
      • Prospect
        • Prospect Hill
[Montmorillonite] England (1994)
    • Cunningham Co.
      • Trundle
[Montmorillonite] Singer et al. (2008)
    • Finch Co.
[Montmorillonite] Markham et al. (1974)
    • Fitzroy Co.
      • Sapphire Beach
[Montmorillonite] Dodds (1969)
    • Gloucester Co.
      • Barrington Tops
        • Barrington
[Montmorillonite] Graham et al. (2002)
    • Gough Co.
      • Glen Innes
[Montmorillonite] Henley et al. (2001)
    • Northumberland County
      • Allandale
[Montmorillonite] Adamson (1962)
      • Kulnura
[Montmorillonite] England (1984)
    • Rous Co.
      • Bexhill
[Montmorillonite] Brown et al. (2001)
    • Wentworth Co.
      • Wentworth
        • Nampoo Station
[Montmorillonite] Segnit (1973)
    • Westmoreland County
[Montmorillonite] Graham et al. (2002)
[Montmorillonite] Podgson RE
  • Northern Territory
    • Barkly Region
      • Sandover
        • Ammaroo Station (Amaroo Station)
[Montmorillonite] O'Toole (1973)
      • Wauchope
        • Kurundi Goldfield
[Montmorillonite] Magirian (1998)
    • City of Darwin
[Montmorillonite] Rix (1964/94)
  • Queensland
    • Cairns Region
      • Prosperpine
[Montmorillonite] Loughnan et al. (1983)
    • Charters Towers Region
[Montmorillonite] Zeissink (1969)
    • City of Mount Isa
      • Mount Isa
[Montmorillonite] Sielecki (1988)
[Montmorillonite] Sielecki (1988)
      • Cloncurry
[Montmorillonite] Singer et al. (2009)
      • Selwyn District
        • Mount Dore Mine
[Montmorillonite] www.smedg.org.au (2011)
    • Ipswich City Shire
[Montmorillonite]
    • North Burnett Region
      • Mount Biggenden
[Montmorillonite] Edraki et al. (2025)
    • Rockhampton Region
      • Mount Morgan
[Montmorillonite] Singer et al. (2008)
    • Tablelands Region
[Montmorillonite] Nethery et al. (1998)
    • Whitsunday Region
      • Mount Carlton district
[Montmorillonite] - (n.d.)
[Montmorillonite] Sahlström et al. (2016)
  • South Australia
    • Adelaide Hills Council
      • Gumeracha
[Montmorillonite] Collection of Mark Willoughby
[Montmorillonite] Eggleton (1959)
    • Goyder Regional Council
      • Burra
[Montmorillonite]
    • Light Regional Council
      • St Kitts
[Montmorillonite]
    • Pastoral Unincorporated Area
      • Anabama Hill
[Montmorillonite] Hong et al. (2023)
      • Arkaroola (Arkaroola Wilderness Sanctuary; Arkaroola Station)
[Montmorillonite]
        • Yudnamutana District
[Montmorillonite]
      • Boolcoomatta Reserve (Boolcoomata Station)
[Montmorillonite]
[Montmorillonite] Gordon et al. (2014)
      • Iron Knob
[Montmorillonite]
[Montmorillonite] Hong et al. (2023)
    • Robertstown
[Beidellite] Noble et al. (1983)
  • Tasmania
    • Burnie City
      • Hampshire mining district
        • Kara Mines
[Montmorillonite] Matsubara et al. (1984)
    • Hobart City
      • Lenah Valley
[Montmorillonite] Bottrill et al. (2008)
    • Huon Valley municipality
      • Huon-Channel region
[Montmorillonite] Taheri +1 other reference
        • Weld river district
[Montmorillonite] Bottrill et al. (2008)
    • Launceston City municipality
      • The Sideling
[Montmorillonite] M Latham & R Bottrill +1 other reference
    • Waratah-Wynyard municipality
[Montmorillonite] www.crocoite.com (2003)
    • West Coast municipality
      • Zeehan mining district
        • North Dundas
[Montmorillonite] Patterson
  • Victoria
    • Bass Coast Shire
      • Phillip Island
        • Kitty Miller Bay
[Montmorillonite]
    • Baw Baw Shire
      • Jindivick
[Montmorillonite] Sorrell (n.d.)
    • City of Casey
      • Narre Warren North
[Montmorillonite] Birch et al. (1979)
    • Glenelg Shire
      • Portland
        • Cape Sir William Grant
[Montmorillonite] Birch (1989)
    • Moorabool Shire
      • Parwan
[Montmorillonite] Birch et al. (1993)
    • Mornington Peninsula Shire
      • Flinders area
[Montmorillonite] Tschernich (1992)
[Montmorillonite]
[Montmorillonite]
  • Western Australia
    • Carnarvon Shire
[Montmorillonite] Carr et al. (2021)
    • Coolgardie Shire
      • Nepean
[Montmorillonite] Jacobson et al. (2007)
    • East Pilbara Shire
      • Nullagine
        • Five Mile Creek Goldfield
[Montmorillonite] Huston (2001)
    • Laverton Shire
      • Mount Weld Station
[Montmorillonite] Cook et al. (2023)
[Beidellite] Murrin Murrin Nickel Laterite Deposit +2 other references
    • Leonora Shire
      • Linden Goldfield
[Montmorillonite] Graham (2003)
      • Ten Mile Outcamp
[Montmorillonite] Nickel (1982)
    • Menzies Shire
      • Davyhurst Goldfield
        • Callion
[Beidellite] Lintern (1998)
    • Ngaanyatjarraku Shire
      • West Musgrave Block
        • Wingellina Community (Irrunytju)
[Montmorillonite] Francesco et al. (2019)
    • Upper Gascoyne Shire
      • Mount Augustus area
[Beidellite] Simpson (1948)
    • Wiluna Shire
      • Mount Keith
[Montmorillonite] Grguric (2003)
    • Wyndham-East Kimberley Shire
[Montmorillonite] Recent Investigations of the Mitchell ... +3 other references
Austria
 
  • Burgenland
    • Oberpullendorf District
      • Markt Sankt Martin
        • Pauliberg
[Montmorillonite] U. Kolitsch et al. (2009) +1 other reference
    • Oberwart District
      • Stadtschlaining
[Montmorillonite] Huber et al. (1977) +1 other reference
  • Carinthia
    • Villach-Land District
      • Fresach
        • Amberg
[Montmorillonite] Niedermayr et al. (1995)
    • Wolfsberg District
      • Frantschach-Sankt Gertraud
        • Brandrücken
[Montmorillonite] Niedermayr et al. (1995)
      • Preitenegg
        • Packsattel
[Montmorillonite]
      • Sankt Paul im Lavanttal
        • Kollnitz
[Montmorillonite] Niedermayr et al. (1995)
      • Wolfsberg
        • Waldenstein
[Montmorillonite]
  • Lower Austria
    • Krems-Land District
      • Mühldorf
        • Amstall
[Montmorillonite] Zirkl (1961)
      • Weinzierl am Walde
[Montmorillonite] Knobloch (1982)
    • Melk District
      • Persenbeug-Gottsdorf
[Montmorillonite] Neschen (n.d.)
      • Raxendorf
        • Feistritz
[Montmorillonite] Holzer et al. (1963)
  • Salzburg
    • Hallein District
      • Abtenau
[Montmorillonite] Strasser (1989)
      • Scheffau am Tennengebirge
        • Grubach
          • Moosegg
[Montmorillonite] Strasser et al. (1998)
    • Salzburg
      • Untersberg massif
[Montmorillonite] Strasser (1989)
    • St. Johann im Pongau District
      • Grossarl
        • Kleiner Schneibenstein
[Montmorillonite] Strasser (1989)
    • Tamsweg District
      • Muhr
[Montmorillonite] Strasser (1989)
        • Schellgaden
          • Katschberg
[Montmorillonite] Strasser (1989)
    • Zell am See District
      • Bramberg am Wildkogel
[Montmorillonite] Strasser (1989)
[Montmorillonite] - (n.d.)
      • Hollersbach im Pinzgau
[Montmorillonite] Strasser (1989) +2 other references
      • Neukirchen am Großvenediger
        • Silberofen
[Montmorillonite] Strasser (1989)
  • Styria
    • Bruck-Mürzzuschlag District
      • Kindberg
        • Hadersdorf
[Montmorillonite] Taucher (1998) +1 other reference
    • Graz
      • Mariatrost
[Montmorillonite] Postl (1978)
    • Leibnitz District
      • Oberhaag
        • Lieschengraben
[Montmorillonite] Taucher et al. (1992)
    • Leoben District
      • Leoben
        • Galgenberg
[Montmorillonite] Hollerer (1999)
[Montmorillonite] Freyn (1902)
    • Südoststeiermark District
      • Bad Gleichenberg
        • Bairisch Kölldorf
[Montmorillonite] Postl et al. (1996)
[Montmorillonite] Postl et al. (1996)
        • Klausen
[Montmorillonite] Aufschluss 1972 (SB)
        • Wilhelmsdorf
[Montmorillonite] Postl et al. (1996)
      • Klöch
[Montmorillonite] Taucher (1989)
  • Upper Austria
    • Rohrbach District
      • Aigen-Schlägl
[Montmorillonite] Reiter (1999)
Belarus
 
  • Gomel Region
    • Zhytkavichy District
[Montmorillonite] E.P. Shpanov et al. (1989)
Belgium
 
  • Brussels
    • Watermael-Boitsfort
[Montmorillonite] Thorez (1973)
  • Flanders
    • Antwerp
[Montmorillonite] Hatert et al. (2002)
  • Wallonia
    • Hainaut
      • Bernissart
        • Blaton
[Montmorillonite] Hatert et al. (2002) +1 other reference
    • Liège
[Montmorillonite] Hatert et al. (2002)
      • Liège
[Montmorillonite] Breithaupt (1832) +2 other references
    • Luxembourg
      • Vielsalm
        • Salmchâteau
[Montmorillonite] Blondieau et al. (2017)
Bolivia
 
  • La Paz
    • José Manuel Pando Province
[Montmorillonite] Biagioni et al. (2022)
  • Oruro
    • Pantaleón Dalence Province
      • Huanuni
[Beidellite] Wilson (2001)
      • Santa Fé mining district
[Montmorillonite] Jiménez-Franco et al. (2018)
Bosnia and Herzegovina
 
  • Federation of Bosnia and Herzegovina
    • Tuzla Canton
      • Lukavac
[Montmorillonite] Bevandić et al. (2018)
Brazil
 
  • Goiás
    • Iporá
[Montmorillonite] Santos et al. (2024)
[Montmorillonite] Queiroz (2016)
  • Minas Gerais
    • Caldas
[Montmorillonite] Waber et al. (1992) +1 other reference
    • Conselheiro Pena
      • Barra do Cuieté
[Montmorillonite] Cassedanne et al. (1982)
[Montmorillonite] Atencio et al. (2004)
    • Galiléia
      • Sapucaia do Norte
[Montmorillonite] Cassedanne et al. (1999)
    • Jaguaraçu
[Montmorillonite] Cassedanne et al. (1994)
    • Poços de Caldas
[Montmorillonite] Waber (1991)
    • São José da Safira
[Montmorillonite] Cassedanne et al. (1980)
  • Pará
    • Canaã dos Carajás
      • Serra Sul complex
        • S11D deposit
[Montmorillonite] SALLUN FILHO (orgs.) +1 other reference
  • Paraíba
    • Vieirópolis
      • Vieirópolis pegmatite field
[Montmorillonite] e Souza et al. (2020)
  • Paraná
    • Cerro Azul
      • Mato Preto carbonatite complex
[Montmorillonite] JENKINS II (1987)
  • Rio Grande do Norte
    • Currais Novos
[Montmorillonite] Costa et al. (2024)
  • Santa Catarina
    • Arroio Trinta
[Montmorillonite] Bergmann (2009)
[Montmorillonite] Bergmann (2009)
  • Tocantins
    • São Salvador do Tocantins
[Montmorillonite] Queiroz (2016)
Bulgaria
 
  • Dobrich Province
    • Balchik Municipality
      • Obrochishte
[Montmorillonite] Aleksiev (1967) +1 other reference
  • Haskovo Province
    • Mineralni Bani Municipality
      • Spahievo
        • Spahievo ore field
[Montmorillonite] Kunov et al. (2001)
  • Kardzhali Province
    • Kardzhali Municipality
      • Beli Plast
[Montmorillonite] Georgiev et al. (2002) +1 other reference
  • Sofia City Province
    • Stolichna Municipality
      • Kremikovtsi
[Beidellite] Radonova et al. (1967)
[Montmorillonite] Georgiev et al. (2002)
Cambodia
 
  • KamPot Province
[Montmorillonite] Economic and Social Commission for Asia and the Pacific (1993)
  • Takeo Province
    • Kiri Vong District
[Montmorillonite] Piilonen et al. (2023)
Cameroon
 
  • East Region
    • Haut-Nyong
      • Lomié
        • Lomié Ultramafic complex
[Beidellite] Yongue-Fouateu et al. (2009)
Canada
 
  • British Columbia
    • Clinton Mining Division
[Montmorillonite] British Columbia Ministry of Energy
    • Kamloops Mining Division
      • Falkland
[Montmorillonite] Tschernich et al. (1982) +1 other reference
      • Kamloops
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Lypaczewski et al. (2020)
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Singer et al. (2008)
    • Omineca Mining Division
      • Granisle
[Montmorillonite] personal correspondence with Giles ...
      • Ootsa Lake
[Montmorillonite] personal correspondence with Giles ... +1 other reference
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Singer et al. (2008)
      • Toodoggone River area
[Montmorillonite] Duuring et al. (2009)
    • Osoyoos Mining Division
      • Okanagan Falls
[Montmorillonite] Personal correspondance with Giles ...
    • Revelstoke Mining Division
      • Boulder Mountain Pegmatite Group
[Montmorillonite] Breasley et al. (2024)
    • Vancouver Island
      • Alberni Mining Division
[Montmorillonite] Tschernich (1992)
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
        • Buck claim
[Montmorillonite] Bannatyne (1985)
[Montmorillonite] 153-155. +2 other references
      • Cat Lake - Winnipeg River pegmatite field
[Montmorillonite] Paul (1984)
  • Newfoundland and Labrador
    • Newfoundland
      • St. Lawrence
[Montmorillonite] Norman Wilson collection
  • Nova Scotia
    • Cumberland Co.
[Beidellite] Pe-Piper +1 other reference
    • Kings Co.
[Montmorillonite] Canadian Museum of Nature collection (Specimen 40536)
  • Ontario
    • Greater Sudbury
      • McKim Township
[Montmorillonite] Schindler et al. (2012)
    • Middlesex County
      • Williams Township
[Montmorillonite] Ontario Ministry of Northern ...
    • Renfrew County
      • Brudenell-Lyndoch-and-Raglan
        • Lyndoch Township
          • Quadeville area
[Montmorillonite] Piilonen et al. (2024)
  • Québec
    • Abitibi-Témiscamingue
      • La Vallée-de-l'Or RCM
        • Réservoir-Dozois
[Montmorillonite] Olivier Langelier Collection
    • Centre-du-Québec
      • Arthabaska RCM
        • Saints-Martyrs-Canadiens
[Montmorillonite] Robinson et al. (1996)
    • Chaudière-Appalaches
      • Les Appalaches RCM
        • Thetford Mines
          • Black Lake
[Montmorillonite] Canadian Museum of Nature collection
    • Estrie
      • Le Granit RCM
        • Val-Racine
[Montmorillonite] CLÉMENT
      • Les Sources RCM
        • Val-des-Sources
[Montmorillonite] Horváth & Spertini (2008 & 2009)
    • Gaspésie-Îles-de-la-Madeleine
      • La Côte-de-Gaspé RCM
        • Murdochville
[Montmorillonite] Singer et al. (2008)
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
[Montmorillonite] Grice (1989) +1 other reference
      • Lajemmerais RCM
        • Varennes & St-Amable
          • Saint-Amable sill
[Montmorillonite] Horváth et al. (1998)
    • Montréal
[Montmorillonite] 176-178. +2 other references
[Montmorillonite] Sabina (1983)
    • Outaouais
      • Les Collines-de-l'Outaouais RCM
        • Val-des-Monts
          • Saint-Pierre-de-Wakefield
            • Lake Saint-Pierre
[Montmorillonite] Sabina (1987)
  • Saskatchewan
    • Athabasca Basin
[Montmorillonite] Knipping (1974)
  • Yukon
    • Mayo mining district
[Montmorillonite] Watson et al. (1996)
    • Watson Lake mining district
[Beidellite] Peatfield (n.d.)
    • Whitehorse mining district
      • Coffee Creek
[Montmorillonite] Singer et al. (2008)
Chile
 
  • Antofagasta
    • Antofagasta Province
[Montmorillonite] Camus et al. (1991)
[Montmorillonite] Schlüter et al. (2000) +2 other references
    • El Loa Province
      • Calama
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Cortecci et al. (2005)
      • Ollagüe
[Beidellite] Vidal et al. (2022)
      • San Pedro de Atacama
[Montmorillonite] Guo et al. (2022)
  • Atacama
    • Chañaral Province
      • Diego de Almagro
        • El Salvador mining district
[Montmorillonite] Singer et al. (2008)
      • Potrerillos
[Montmorillonite] Singer et al. (2008)
    • Copiapó Province
      • Cabeza de Vaca mining district
[Montmorillonite] Parker L.R./Salas R./Pérez G. (1963) +2 other references
      • Copiapó
[Montmorillonite] - (n.d.) +1 other reference
      • Tierra Amarilla
        • Las Pintadas mining district
          • Cerro Pintado
[Montmorillonite] XRD by Joachim Lorenz +1 other reference
[Beidellite] Lohmeier et al. (2025)
    • Huasco Province
      • Vallenar
[Montmorillonite] Maksaev et al. (2010)
  • O'Higgins
    • Cachapoal Province
      • Rancagua
        • El Teniente
[Montmorillonite] Singer et al. (2008)
  • Santiago Metropolitan Region
    • Melipilla Province
      • Alhué mining district
[Montmorillonite] YAMANA GOLD INC. ANNUAL INFORMATION ...
  • Tarapacá
    • Tamarugal Province
      • Pica
        • Collahuasi mining district
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] - (2003)
[Montmorillonite] - (2003) +1 other reference
China
 
  • Anhui
    • Chuzhou
      • Mingguang City
[Montmorillonite] Yanhua Wang and Hanzhu Wang (1998)
    • Hefei
      • Lujiang Co.
[Montmorillonite] LIU et al. (2021)
[Montmorillonite] Qingtao Huang (1984)
    • Ma'anshan
      • Dangtu County
        • Zhonggu Fe ore field (Zhongshan-Gushan Fe ore field; Zhonggushan Fe ore field)
[Montmorillonite] Zhangru Zhu (1993)
  • Fujian
    • Longyan
      • Shanghang Co.
        • Zijinshan ore field
[Montmorillonite] Duan et al. (2022)
[Montmorillonite] Wang et al. (2025)
[Montmorillonite] Wang et al. (2024) +1 other reference
    • Nanping
      • Wuyishan City
[Montmorillonite] Songmao Chen (1984)
    • Sanming
      • Datian County
[Montmorillonite] Shufeng Huang et al. (1999)
      • Qingliu County
[Montmorillonite] Yunhuai Lin (1982) +2 other references
    • Xiamen
      • Tong'an District
[Montmorillonite] Acta Petrologica et Mineralogica 11 (2)
  • Gansu
    • Gannan
      • Luqu Co.
[Montmorillonite] Peters (2002)
    • Jinchang
      • Jinchuan District
[Montmorillonite] Hewei Zhang (1982) +2 other references
    • Jiuquan
      • Guazhou Co.
[Montmorillonite] Mao Jingwen et al. (2000)
[Montmorillonite] Mingzuan Xu et al. (2011)
    • Longnan
      • Wen County
[Montmorillonite] Jinzhong Qi et al. (2008)
  • Guangdong
    • Qingyuan
      • Yingde City
[Montmorillonite] Liang et al. (2025)
    • Shaoguan
      • Wengyuan Co.
[Montmorillonite] Dahlkamp (2009)
  • Guangxi
    • Baise
      • Leye Co.
[Montmorillonite] Lin Niu (1994)
      • Lingyun Co.
[Montmorillonite] Dajing Chen et al. (2001)
      • Pingguo Co.
[Montmorillonite] Zhangling Liu (1980) +2 other references
      • Tianyang Co.
[Montmorillonite] Shuhui Cai et al. (2012)
    • Chongzuo
      • Daxin Co.
[Montmorillonite] Dairong Yan et al. (2006)
      • Tiandeng Co.
[Montmorillonite] Shouquan Zhu (2001)
    • Fangchenggang
      • Fangcheng District
        • Qinzhou-Fangcheng Mn ore field
[Montmorillonite] Yinsheng Lang et al. (2007)
    • Hechi
      • Fengshan County
[Montmorillonite] Shihua Qi et al. (2000)
    • Laibin
[Montmorillonite] Zheng et al. (2024)
    • Nanning
      • Shanglin County
[Montmorillonite] Dajing Chen et al. (2001)
    • Qinzhou
      • Qinbei District
        • Qinzhou-Fangcheng Mn ore field
[Montmorillonite] Yinsheng Lang et al. (2007)
[Montmorillonite] Yinsheng Lang et al. (2007)
[Montmorillonite] Yinsheng Lang et al. (2007)
[Montmorillonite] Yinsheng Lang et al. (2007)
  • Guizhou
    • Qianxinan
      • Anlong County
[Montmorillonite] www.portergeo.com.au (2007)
      • Qinglong County
[Montmorillonite] Dajing Chen and Mingshou Yang (2000) +1 other reference
[Montmorillonite] Sun et al. (2021)
      • Xingren County
        • Huijiabao gold field
[Montmorillonite] Liu et al. (2015)
      • Zhenfeng County
[Montmorillonite] Yaojian Xu and Tieping Wu (2008)
    • Zunyi
      • Bozhou District
[Montmorillonite] Kehua Yin (2009)
      • Daozhen County
[Montmorillonite] Chen et al. (2022)
  • Hebei
    • Baoding
      • Quyang County
[Montmorillonite] Tian et al. (2025)
      • Xushui District
[Montmorillonite] Surong Ji et al. (1987)
    • Chengde
      • Fengning County
[Montmorillonite] Jiuming Li et al. (2006)
[Montmorillonite] Qianwen Cao and Yaowu Ren (1990)
    • Xingtai
      • Shahe Co.
[Montmorillonite] 成嘉伟 et al. (2023)
    • Zhangjiakou
      • Guyuan County
[Montmorillonite] Dahlkamp (2009) +1 other reference
  • Heilongjiang
    • Daxing'anling
      • Huma County
[Montmorillonite] Zhiguo Zhang et al. (2008) +2 other references
      • Mohe City
        • Shabaosi gold field
[Montmorillonite] Jinzhong Qi et al. (2000)
      • Songling District
[Montmorillonite] Zhaojun Meng et al. (2011) +1 other reference
    • Heihe
      • Aihui District
[Montmorillonite] Zhai et al. (2015)
      • Nenjiang County
[Montmorillonite] pubs.usgs.gov (2006)
      • Wudalianchi City
[Montmorillonite] Bai et al. (2024)
    • Mudanjiang
      • Dongning County
[Montmorillonite] Li et al. (2019)
      • Muling City
[Montmorillonite] Shouting Zhang et al. (2004)
    • Yichun
      • Tieli City
[Montmorillonite] Gao et al. (2024)
  • Henan
    • Luoyang
      • Luoning County
[Montmorillonite] Meng et al. (2022)
      • Song County
[Montmorillonite] Senpo Wen (2009)
        • Dongwan gold field
[Montmorillonite] Wang et al. (2024)
[Montmorillonite] Senpo Wen et al. (2008)
    • Nanyang
      • Tongbai County
[Montmorillonite] Song et al. (2024)
      • Xichuan County
[Montmorillonite] Li et al. (2025)
    • Pingdingshan
      • Baofeng County
[Montmorillonite] Qinghai Ji et al. (2013)
  • Hong Kong
    • New Territories
      • Sha Tin District
        • Ma On Mountain (Ma On Shan)
[Montmorillonite] Li (2007)
  • Hubei
    • Huanggang
      • Luotian Co.
        • Hejiawan
[Montmorillonite] Jingqu Yao (1992)
[Montmorillonite] Jingqu Yao (1992)
    • Huangshi
      • Daye Co.
        • Edong Mining District
[Montmorillonite] Yanbing Tang (2005) +2 other references
[Montmorillonite] Chu et al. (2023)
    • Wuhan
      • Huangpi District
[Montmorillonite] Jingqu Yao (1992)
    • Yichang
      • Xingshan Co.
[Montmorillonite] Chao Chen and Fapeng Xie (1986)
  • Hunan
    • Changde
      • Linli Co.
[Montmorillonite] Linjiang Wang et al. (1999)
    • Changsha
      • Liuyang City
[Montmorillonite] Liu (2017)
        • Yonghe
[Montmorillonite] Wenguang Li (1997) +1 other reference
    • Chenzhou
      • Guiyang Co.
[Montmorillonite] Wang et al. (2022)
[Montmorillonite] Fushan Wang (1991)
[Montmorillonite] Fushan Wang (1991)
      • Linwu Co.
[Montmorillonite] Li et al. (2023)
      • Rucheng Co.
[Montmorillonite] Chen et al. (2022)
    • Huaihua
      • Mayang Miao Autonomous County
[Montmorillonite] Manxiang Huang (1991)
      • Xupu Co.
[Montmorillonite] National Geological Archives of China ...
  • Inner Mongolia
    • Alxa League (Alashan Prefecture)
      • Alxa Left Banner (Alashan Zuoqi)
[Montmorillonite var: Askanite] Zhenmi Liu (2000)
    • Baotou City (Baotou Prefecture)
      • Bayan Obo mining district
        • Bayan Obo
[Montmorillonite] Qingchang Meng (1981)
      • Guyang County
[Montmorillonite] Wang et al. (2024)
    • Bayannur City (Bayannao'er Prefecture)
      • Urad Front Banner (Wulate Qianqi)
[Montmorillonite] Ding et al. (2024)
    • Chifeng City (Ulanhad League; Chifeng Prefecture)
      • Hexigten Banner (Keshiketeng Co.)
[Montmorillonite] Luo et al. (2014)
      • Ningcheng County
[Montmorillonite] Zhong Wang (2004)
    • Hulunbuir City (Hulunbei'er Prefecture)
      • New Barag Right Banner (Xin Barag Youqi)
[Montmorillonite] Lei Ji et al. (1994)
    • Ordos City (E'erduosi Prefecture)
      • Dongsheng District
[Montmorillonite] Yingxia Xu et al. (2006)
    • Tongliao City (Tongliao Prefecture)
      • Horqin Left Middle Banner
[Montmorillonite] Tian et al. (2023) +1 other reference
[Montmorillonite] Huang et al. (2025)
[Montmorillonite] Yi Luo et al. (2012)
    • Ulanqab City (Wulanchabu Prefecture)
      • Dorbod Banner (Siziwang Co.)
[Montmorillonite] Li et al. (2021)
    • Xilingol League (Xilinguole Prefecture)
      • Duolun County
[Montmorillonite] Jia Li et al. (1998)
[Montmorillonite] Jia Li et al. (1998)
      • East Ujimqin Banner (Dongwuzhumuqin Co.; Dongwu Qi)
[Montmorillonite] Zhang et al. (2020)
      • Sonid Right Banner (Sunite Youqi)
[Montmorillonite] Kai Meng et al. (2009) +1 other reference
      • Xilinhot City (Xilinhaote Co.)
        • Shengli coal field
[Montmorillonite] Yao +7 other references
  • Jiangsu
    • Huai'an
      • Xuyi Co.
[Montmorillonite] Tianhu Chen et al. (2004)
[Montmorillonite] Ruishi Yang and Wenguang Li (2001)
    • Nanjing
      • Jiangning District
[Montmorillonite] Sisong Chen et al. (1980)
    • Suzhou
      • Huqiu District
[Montmorillonite] Kecong Han and Shengyun Ma (1985)
  • Jiangxi
    • Fuzhou
[Montmorillonite] Dahlkamp (2009) +1 other reference
    • Ganzhou
      • Longnan Co.
[Montmorillonite] Chen +4 other references
      • Ningdu Co.
[Montmorillonite] Wenle Zeng et al. (2010)
    • Jingdezhen
      • Leping Co.
[Montmorillonite] Xinkui Xiang (1992) +1 other reference
[Montmorillonite] Fu et al. (2023)
    • Shangrao
      • Dexing Co.
[Montmorillonite] Zongyao et al. (2005)
    • Yichun
      • Yuanzhou District
[Montmorillonite] Shufang He and Jianping Lu (2001)
        • Yichun complex (Yashan batholith)
[Montmorillonite] Desong Lin (1993)
  • Jilin
    • Baishan
      • Fusong County
[Montmorillonite] Jie Yao et al. (2002)
    • Changchun
      • Jiutai Co.
[Montmorillonite] Zhixian Liu (1985)
    • Yanbian Chaoxianzu
      • Yanji City
[Montmorillonite] Renyi Chen and Zhongyao Rui (1993)
  • Liaoning
    • Chaoyang
      • Beipiao City
        • Jinchanggouliang-Erdaogou ore field
[Montmorillonite] Jiangli Pang (1999)
      • Jianping County
        • Qingfengshanxiang
[Montmorillonite] www.sud-chemie.com.cn (n.d.)
    • Fushun
      • Qingyuan Co.
[Montmorillonite] Guangyu Zhou (1983)
    • Huludao
      • Jianchang County
        • Qinglong Uranium ore field
[Montmorillonite] Dahlkamp (2009)
    • Liaoyang
      • Dengta Co.
[Montmorillonite] wrgis.wr.usgs.gov (2004)
  • Qinghai
    • Haixi Mongol and Tibetan Autonomous Prefecture
      • Da Qaidam (Dachaidan Co.)
[Montmorillonite] Chang Xu (1985) +1 other reference
      • Golmud City (Ge'ermu Co.)
[Montmorillonite] Chang Xu (1985)
        • Qarhan salt lake (Chaerhan salt lake)
[Montmorillonite] Chang Xu (1985)
[Montmorillonite] Chang Xu (1985)
[Montmorillonite] Chang Xu (1985)
      • Mangnai City (Mangya Co.)
[Montmorillonite] Chang Xu (1985) +1 other reference
        • Lenghu Co.
[Montmorillonite] Chang Xu (1985) +1 other reference
[Montmorillonite] Chang Xu (1985) +1 other reference
  • Shaanxi
    • Baoji
      • Feng County
        • Fengxian–Taibai ore cluster
[Montmorillonite] Xueming Wang et al. (2001)
[Montmorillonite] Wang et al. (2023)
    • Hanzhong
      • Mian County
[Montmorillonite] Zhongtang Yang et al. (2008) +1 other reference
      • Yang County
[Montmorillonite] Zilin Tang et al. (1988)
    • Shangluo
      • Shanyang County
[Montmorillonite] Zhou et al. (2025)
    • Xi'an
      • Lantian County
[Montmorillonite] Dahlkamp (2009)
    • Yulin
      • Fugu County
[Montmorillonite] Bingshe Zhang et al. (2013)
  • Shandong
    • Rizhao
      • Wulian Co.
[Montmorillonite] Liu et al. (2024)
    • Weihai
      • Rushan Co.
        • Muping-Rushan metallogenic belt
          • Rushan ore field
[Montmorillonite] Jianchao Liu et al. (2010)
    • Yantai
      • Laizhou City
        • Jiaojia-Xincheng Gold camp
[Montmorillonite] Wang et al. (2025)
      • Zhaoyuan City
        • Linglong Gold camp
[Montmorillonite] Hao et al. (2024)
  • Shanxi
    • Shuozhou
      • Pinglu District
[Montmorillonite] Yongtao Zhang and Guiqin Tang (1986)
    • Xinzhou
      • Fanshi Co.
[Montmorillonite] Wang et al. (2025)
    • Yangquan
[Montmorillonite] Wang et al. (2025)
  • Sichuan
    • Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture)
      • Baiyü County
[Montmorillonite] Xiaoming Qu et al. (2001)
    • Ngawa Autonomous Prefecture (Aba Autonomous Prefecture)
      • Songpan Co.
[Montmorillonite] Peters (2002)
    • Zigong
      • Rong Co.
[Montmorillonite] Zhaoying Liu and Wang Zufu Wang (1989)
  • Tibet
    • Lhasa
      • Maizhokunggar Co. (Mozhugongka Co.)
[Montmorillonite] Huang +5 other references
    • Nagqu
      • Baingoin Co. (Bange Co.)
[Montmorillonite] Chang Xu (1985)
      • Nyima Co. (Nima Co.)
        • Rongma township
[Montmorillonite] Chang Xu (1985) +1 other reference
      • Shuanghu Co.
[Montmorillonite] Chang Xu (1985)
[Montmorillonite] Chang Xu (1985) +1 other reference
[Montmorillonite] Chang Xu (1985) +1 other reference
      • Xainza Co. (Shenzha Co.)
[Montmorillonite] Zhaoyan Gu et al. (1994)
    • Ngari
      • Gê'gyai Co. (Geji Co.)
[Montmorillonite] Chang Xu (1985) +1 other reference
[Montmorillonite] Chang Xu (1985)
      • Gêrzê Co.
[Montmorillonite] Chang Xu (1985)
        • Duolong ore field
[Montmorillonite] Zheng et al. (2025)
      • Rutog Co. (Ritu Co.)
[Montmorillonite] Chang Xu (1985)
    • Nyingtri Prefecture (Linzhi Prefecture)
      • Gongbo'gyamda Co. (Gongbujiangda Co.)
[Montmorillonite] Junxing Zhao et al. (2011)
    • Qamdo Prefecture (Changdu Prefecture)
      • Jomdo Co. (Jiangda Co.)
[Montmorillonite] pubs.usgs.gov (2006)
    • Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture)
      • Nêdong Co. (Naidong Co.; Zedang Co.)
        • Kelu-Chongmuda Cu-Au belt
[Montmorillonite] Qingsheng Xu et al. (2011)
    • Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture)
      • Bainang Co. (Bailang Co.)
[Montmorillonite] Dongan Wang (1986)
      • Ngamring Co. (Angren Co.)
[Montmorillonite] Wu et al. (2025)
      • Xaitongmoin Co. (Xietongmen Co.)
[Montmorillonite] Yang et al. (2020) +2 other references
      • Zhongba Co.
[Montmorillonite] Mianping Zheng et al. (2007)
[Montmorillonite] Minghui Li et al. (2007)
  • Xinjiang
    • Bayin'gholin Autonomous Prefecture
      • Hejing Co. (Xejing Co.)
        • Baluntai
[Montmorillonite] Zhian Qin (1999)
    • Changji Autonomous Prefecture (Sanji Autonomous Prefecture)
      • Jimsar Co. (Jimisar Co.; Jimusa'er Co.)
[Montmorillonite] Yanling Tang (2005)
        • Zhundong coalfield
[Montmorillonite] Che et al. (2024)
      • Qitai Co. (Gucheng Co.; Guqung Co.)
[Montmorillonite] Yang et al. (2009)
    • Hami Prefecture (Kumul Prefecture; Qumul Prefecture)
      • Barkol Co. (Barköl Co.; Balikun Co.)
        • Twin Peaks area
[Montmorillonite] Chunzeng Wang et al. (2001) +2 other references
      • Yizhou District
[Montmorillonite] Wang et al. (2025)
[Montmorillonite] Yanling Tang (2005)
        • Tuwu-Yandong copper ore belt
[Montmorillonite] Yang et al. (2005)
    • Ili Kazakh Autonomous Prefecture
      • Altay Prefecture (Aletai Prefecture)
        • Fuyun Co. (Koktokay Co.)
[Montmorillonite] Yuan Feng et al. (2002)
[Montmorillonite] Yushe Zhao and Bin Zhang (2014)
          • Zhaheba
[Montmorillonite] Yanling Tang (2005)
        • Habahe Co. (Kaba Co.; Qaba Co.)
[Montmorillonite] Denghong Wang (1996)
        • Jeminay County
          • Eastern Sawur Caldera Complex
[Montmorillonite] Yang et al. (2009)
      • Chabucha'er Xibo Co. (Qapqal Xibe Co.; Chapchal Shibe Co.)
[Montmorillonite] Maozhong Min et al. (2005)
[Montmorillonite] Guo Wang et al. (2000) +1 other reference
[Montmorillonite] Maozhong Min et al. (2005)
      • Tacheng Prefecture (Tarbaghatay Prefecture)
        • Hebukesai'er Co. (Hoboksar Co.; Kobuksar Co.; Qobuqsar Co.)
[Montmorillonite] Yanling Tang (2005)
        • Hefeng Co.
[Montmorillonite] Wu Zhansheng et al. (2006)
        • Junggar Basin
[Montmorillonite] Ji et al. (2024)
      • Yining Co.
        • Jinshan Au deposit
[Montmorillonite] Long Xiao et al. (2002) +1 other reference
      • Zhaosu Co.
[Montmorillonite]
    • Kezilesu Autonomous Prefecture (Kizilsu Autonomous Prefecture; Qizilsu Autonomous Prefecture)
      • Wuqia Co. (Ulugqat Co.; Ulughchat Co.)
[Montmorillonite]
    • Turpan
      • Shanshan Co.
[Montmorillonite] Zhang et al. (2004)
      • Toksun Co.
[Montmorillonite] Yanling Tang (2005)
[Montmorillonite] IAEA Technical Document 1396 (2004)
  • Yunnan
    • Dehong
      • Lianghe County
[Montmorillonite] Zhu et al. (2022)
      • Mangshi (Mang City)
[Montmorillonite] Zhusen Yang et al. (2000)
    • Dêqên Autonomous Prefecture
      • Dêqên County (Deqin Co.; Diqing Co.)
[Montmorillonite] Zengqian et al. (2003)
      • Shangri-La County
[Montmorillonite] Cao et al. (2019)
    • Honghe
      • Gejiu City
[Montmorillonite] Baiyou Chen et al. (2002)
    • Kunming
      • Anning City
[Montmorillonite] Ruijun Chen et al. (1993)
      • Dongchuan District
[Montmorillonite] Huaning Qiu et al. (2000)
      • Jinning County
[Montmorillonite] Dengfang Wang and Canfa Da (1995)
    • Lincang
      • Yun County
[Montmorillonite] Zheng et al. (2024)
    • Pu'er
      • Jinggu County
[Montmorillonite] Zheng et al. (2024)
      • Mojiang County
[Montmorillonite] Yonghong Jiang and Shengrong Li (2004)
      • Simao District
[Montmorillonite] Mao et al. (2024)
    • Qujing
      • Huize County
[Montmorillonite] Dongmei Tang et al. (2006)
    • Wenshan
      • Funing County
[Montmorillonite] Peters et al. (2007)
      • Yanshan County
[Montmorillonite] Hanhe Liu (2007)
  • Zhejiang
    • Hangzhou
      • Jiande City
[Montmorillonite] Huijin Lu and Jian Wang (2005)
      • Yuhang District
[Montmorillonite] Huijin Lu and Jian Wang (2005)
    • Lishui
      • Jinyun County
[Montmorillonite] Shugen Zhang et al. (2006)
    • Quzhou
      • Kaihua Co.
[Montmorillonite] Huijin Lu and Jian Wang (2005)
      • Kecheng District
        • Dazhou Uranium ore field (Uranium ore field No. 66)
[Montmorillonite] Jishun Liu (1991)
    • Taizhou
      • Linhai Co.
[Montmorillonite] Yaofu Zhang et al. (1991)
Costa Rica
 
  • Alajuela Province
    • Sarchí Canton
[Montmorillonite] Rodríguez et al. (2017)
  • San José Province
    • Dota Canton
      • Copey District
[Montmorillonite] Obando-Acuña et al. (2019)
Czech Republic
 
  • Central Bohemian Region
    • Kutná Hora District
      • Žleby
[Montmorillonite] Litochleb +4 other references
    • Příbram District
      • Příbram
        • Březové Hory
          • Březové Hory deposit
            • Anna Mine
[Montmorillonite] Dolníček et al. (2024)
  • Hradec Králové Region
    • Jičín District
      • Železnice
        • Doubravice
[Montmorillonite] Pauliš +3 other references
    • Rychnov nad Kněžnou District
      • Proruby
[Montmorillonite] Šmůla
    • Trutnov District
      • Radvanice
[Montmorillonite] Jirásek (2001)
  • Karlovy Vary Region
[Montmorillonite] Jan Hloušek
  • Liberec Region
[Montmorillonite] Scharm +7 other references
    • Semily District
      • Harrachov
[Montmorillonite] Fengl +3 other references
      • Košťálov
[Montmorillonite] Pauliš et al. (2010)
      • Radostná pod Kozákovem
[Montmorillonite] Pauliš
  • Moravian-Silesian Region
    • Bruntál District
      • Krnov
        • Biskupice
[Montmorillonite] Kašing et al. (2025)
  • Olomouc Region
    • Jeseník District
      • Javorník
        • Zálesí
[Montmorillonite] Sejkora et al. (2007)
[Montmorillonite] Kuttna +1 other reference
  • Pardubice Region
    • Chrudim District
[Montmorillonite] Fengl (2.)
    • Svitavy District
      • Svojanov (Swojanow)
[Montmorillonite] Rychlý
  • Plzeň Region
    • Rokycany District
      • Těškov
[Montmorillonite] Janouš +4 other references
  • South Bohemian Region
    • České Budějovice District
      • Borovany
[Montmorillonite] Primas
    • Český Krumlov District
      • Nová Ves
[Montmorillonite] Welser
  • South Moravian Region
    • Znojmo District
      • Jamolice
[Montmorillonite] Hrazdil (2001)
  • Ústí nad Labem Region
    • Louny District
      • Vroutek
[Montmorillonite] collection of Petr Fuchs
    • Teplice District
      • Krupka
        • Knöttel area
[Montmorillonite] Sejkora (1998)
        • Vrchoslav
[Montmorillonite] E.L. Clopton collection #ELC1482 and ...
      • Moldava
[Montmorillonite] Sejkora (1994)
[Montmorillonite] Petr Fuchs collection
  • Vysočina Region
    • Havlíčkův Brod District
      • Krucemburk
[Montmorillonite] Pauliš
    • Třebíč District
      • Třebíč
        • Řípov
[Montmorillonite] Trnka M (1982)
    • Žďár nad Sázavou District
      • Bory
[Montmorillonite] Staněk (1991) +4 other references
[Montmorillonite] Staněk (1997)
[Montmorillonite] Novák et al. (1999)
[Montmorillonite] Pauliš
Denmark
 
  • Southern Denmark Region
    • Middelfart Municipality
[Montmorillonite] Prior (1973) +1 other reference
DR Congo
 
  • North Kivu
    • Rutshuru Territory
      • Bwito
[Montmorillonite]
Ecuador
 
  • Azuay Province
    • Camilo Ponce Enríquez Canton
[Montmorillonite] Singer et al. (2008)
  • Imbabura Province
[Montmorillonite] Singer et al. (2008)
  • Zamora-Chinchipe Province
    • El Pangui Canton
[Montmorillonite] Singer et al. (2008)
    • Zamora Canton
      • Nambija mining district
[Montmorillonite] Singer et al. (2008)
Egypt
 
  • New Valley Governorate
[Montmorillonite] USGS Open-File Report 02–156–A
  • South Sinai Governorate
    • Abu Zeneima (Abu Zenima)
[Montmorillonite] Wenle Zeng and Yuntao Zhang (2009)
El Salvador
 
  • Usulután Department
    • Berlín
[Montmorillonite] Torio-Henríquez (2007)
Ethiopia
 
  • Oromia Region
[Montmorillonite] Baumann et al. (1975)
  • Somali Region
    • Jijiga
[Montmorillonite] Jelenc (1966)
Eurasian Plate
 
  • Mariana Trough
[Montmorillonite] Ki Choi et al. (2024) +1 other reference
  • West Philippine Basin
[Montmorillonite] Wang et al. (2025)
Faroe Islands
 
  • Suðuroy Region
    • Suðuroy
      • Hvalba
[Beidellite] Weisenberger et al. (2012)
Fiji
 
  • Vanua Levu
    • Macuata
      • Nukundamu
[Montmorillonite] 1996 +4 other references
  • Viti Levu
    • Namosi District
[Montmorillonite] Orovan (2016)
      • Waisoi Cu Deposit
[Montmorillonite] Orovan (2016)
Finland
 
  • Kanta-Häme
    • Forssa
[Montmorillonite] Ilkka Mikkola collection
  • Lapland
    • Savukoski
      • Tulppio
        • Sokli carbonatite complex
[Montmorillonite] Sarapää +8 other references
    • Sodankylä
[Montmorillonite] Al-Ani et al. (2018)
  • North Savo
    • Pielavesi
[Montmorillonite] Mäki (1997)
  • Pirkanmaa
    • Orivesi
      • Eräjärvi area
[Montmorillonite] Sandström et al. (2009)
  • South Ostrobothnia
    • Kuortane
[Montmorillonite] Lahti
    • Seinäjoki
[Montmorillonite] Alviola
      • Peräseinäjoki
[Montmorillonite] Haapala (1966)
France
 
  • Auvergne-Rhône-Alpes
    • Allier
      • Vichy
[Montmorillonite] Nicolas et al. (1963)
        • Le Mayet-de-Montagne
[Beidellite] Parneix et al. (1982)
    • Ardèche
      • Privas
        • Alissas
[Montmorillonite] Bull. Soc. Franç. Minéralo. ...
    • Haute-Loire
      • Brioude
        • Collat
[Montmorillonite]
        • Desges
[Montmorillonite] P.G. Pelisson : "Etude Mineralogique et ...
        • Josat
[Montmorillonite]
        • Mazerat-Aurouze
          • Aurouze
[Montmorillonite] Pélisson (1989)
        • Sainte-Marguerite
[Montmorillonite] Pélisson (1989)
        • Vieille-Brioude
[Montmorillonite] Pélisson (1989)
      • Le Puy-en-Velay
        • Bellevue-la-Montagne
[Montmorillonite] Pélisson (1989)
    • Loire
      • Montbrison
        • Châtelneuf
[Montmorillonite]
    • Puy-de-Dôme
      • Issoire
        • Valbeleix
[Beidellite] l'exemple de l'Auvergne +1 other reference
    • Rhône
      • Villefranche-sur-Saône
        • Chessy
[Montmorillonite] De Ascençao Guedes (2003)
        • Marnand
[Beidellite] Mineralogical Society of America - ...
  • Bourgogne-Franche-Comté
    • Nièvre
      • Nevers
        • Fleury-sur-Loire
[Montmorillonite] OLLIC Pascal Collection
  • Brittany
    • Finistère
      • Quimper
        • Plovan
[Montmorillonite] Chauris (2014)
    • Morbihan
      • Lorient
        • Bubry
[Montmorillonite] R. Pierrot
[Beidellite] Chauris (2014)
      • Pontivy
        • Berné
[Montmorillonite] R. Pierrot
        • Guern
[Montmorillonite] R. Pierrot
  • Corsica
    • Haute-Corse
      • Bastia
[Montmorillonite] Velde (1968)
  • French Polynesia
    • Tuamotu-Gambier (Tuamotu and Gambier Islands)
      • Tuamotu Archipelago (Tuamotus)
        • Mururoa
[Montmorillonite] Dudoignon et al. (1989)
[Montmorillonite] Dudoignon et al. (1989)
  • Grand Est
    • Vosges
      • Épinal
        • Le Val-d'Ajol
          • Faymont
[Montmorillonite] Escande et al. (1973) +6 other references
[Montmorillonite] Escande et al. (1973) +6 other references
  • Ile-de-France
    • Yvelines
      • Mantes-la-Jolie
        • Maulette
[Montmorillonite] Belot (1978)
  • Nouvelle-Aquitaine
    • Corrèze
      • Ussel
        • Davignac
[Montmorillonite] Deliens et al. (2004)
        • Ussel
[Montmorillonite]
    • Creuse
      • Aubusson
        • Soumans
          • Montebras
[Montmorillonite] Patureau et al. (2011)
    • Dordogne
      • Nontron
[Montmorillonite var: Delanovite] Dana et al. (1868)
    • Vienne
[Montmorillonite] Bulletin de la Société Géologique de France (1847) +1 other reference
  • Occitanie
    • Aveyron
      • Millau
        • Roquefort-sur-Soulzon
[Montmorillonite] Club Minéralogique de Saint-Juery (2025)
      • Rodez
        • Espalion
[Montmorillonite] Boutry et al. (1986)
    • Pyrénées-Orientales
      • Perpignan
[Montmorillonite] Berbain. C
    • Tarn-et-Garonne
      • Montauban
        • Orgueil
[Montmorillonite] Manuel N. Bass (1971)
  • Provence-Alpes-Côte d'Azur
    • Alpes-Maritimes
      • Grasse Arrondissement
[Montmorillonite] "Les minéralisations associées au volcanisme andésitique de Biot-Villeneuve Loubet (Alpes Maritimes)
    • Var
      • Toulon
        • Le Pradet
[Montmorillonite] www.mine-capgaronne.fr (2003) +1 other reference
Georgia
 
  • Guria
[Montmorillonite var: Askanite] Ralph E. Grim (2011)
  • Imereti
    • Chiat'ura
[Montmorillonite] Varentsov (1996)
  • Kvemo Kartli
[Montmorillonite] M. et al. (2019)
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Breisgau-Hochschwarzwald
        • Münstertal
          • Hof
[Montmorillonite] Weiß (1990)
[Montmorillonite] Weiß (1990)
        • Vogtsburg im Kaiserstuhl
          • Burkheim
[Montmorillonite] Anthony Geneyton Collection
      • Emmendingen
        • Sasbach am Kaiserstuhl
[Montmorillonite]
[Montmorillonite] Hentschel (1976)
[Montmorillonite] Volker Betz collection and photos
      • Konstanz
        • Gottmadingen
[Montmorillonite] Knöfel et al. (1964)
      • Ortenaukreis
        • Gengenbach
          • Ohlsbach
            • Hinterohlsbach
[Montmorillonite]
        • Oberwolfach
[Montmorillonite] 50. (in German) +1 other reference
        • Seelbach
          • Seelbach
            • Weiler
[Montmorillonite] Wittern (2001)
      • Tuttlingen
        • Immendingen
[Montmorillonite] Weiß (1990)
      • Waldshut
        • St Blasien
          • Menzenschwand
[Beidellite] Walenta (1992)
    • Karlsruhe Region
      • Neckar-Odenwald-Kreis
        • Waldbrunn
          • Katzenbuckel
[Montmorillonite] Aufschluss 1977 (6) +1 other reference
    • Stuttgart Region
      • Ostalbkreis
        • Unterschneidheim
          • Zipplingen
[Montmorillonite] Stähle et al. (2008)
  • Bavaria
    • Lower Bavaria
      • Freyung-Grafenau District
        • Röhrnbach
[Montmorillonite] Habel (2009)
      • Passau District
        • Hauzenberg
          • Kropfmühl
[Montmorillonite] Habel (2011)
    • Lower Franconia
      • Aschaffenburg District
        • Sailauf
          • Hartkoppe
[Montmorillonite]
      • Haßberge District
        • Maroldsweisach
[Montmorillonite] Wittern (2001)
    • Upper Franconia
      • Hof District
        • Feilitzsch
[Montmorillonite]
        • Rehau
          • Wurlitz
[Montmorillonite] F. Müller: "Bayerns steinreiche Ecke" et al. (Hof)
        • Sparneck
          • Reinersreuth
[Montmorillonite] Wittern (2001)
        • Zell im Fichtelgebirge
[Montmorillonite] F. Müller: "Bayerns steinreiche Ecke" et al. (Hof)
      • Wunsiedel im Fichtelgebirge
        • Nagel
[Montmorillonite] Weiß (1990)
        • Tröstauer Forst-West
[Montmorillonite] Lapis (7/8)
        • Weißenstadt
          • Rudolfstein
[Montmorillonite] Weiß (1990)
[Montmorillonite] Hanneberg et al. (2009) +1 other reference
    • Upper Palatinate
      • Neustadt an der Waldnaab District
        • Windischeschenbach
[Montmorillonite] Weiß (1990)
      • Tirschenreuth District
        • Kemnath
          • Weha
[Montmorillonite] Keck (2010)
        • Kulmain
[Montmorillonite] Weiß (1990)
        • Pechbrunn
[Montmorillonite] Weiß (1990)
        • Wiesau
          • Triebendorf
[Montmorillonite] Weiß (1990)
  • Hesse
    • Darmstadt
      • Darmstadt-Dieburg
        • Messel
[Montmorillonite] Aufschluss 1980 (6)
        • Roßdorf
[Montmorillonite] Weiß (1990)
      • Darmstadt
        • Darmstadt-Ost
[Montmorillonite] Aufschluss 1980 (6)
      • Main-Kinzig-Kreis
        • Wächtersbach
[Montmorillonite] Betz (2019)
      • Wetteraukreis
        • Altenstadt
          • Heegheim
[Montmorillonite] Zeolite collection of Volker Betz
        • Gedern
[Montmorillonite]
        • Nidda
[Montmorillonite] Ehrenberg et al. (1982)
          • Michelnau
[Montmorillonite] Weiß (1990)
          • Ober-Widdersheim
[Montmorillonite]
    • Giessen Region
      • Giessen
        • Buseck
          • Großen-Buseck
[Montmorillonite] Weiß (1990)
        • Fernwald
          • Steinbach
[Montmorillonite] Weiß (1990)
        • Hungen
          • Langd
[Montmorillonite]
        • Laubach
          • Gonterskirchen
[Montmorillonite] Ko Jansen +1 other reference
        • Rabenau
          • Londorf
[Montmorillonite] Weiß (1990)
      • Limburg-Weilburg
        • Hünfelden
          • Mensfelden
[Montmorillonite] Weiß (1990)
        • Weinbach
[Montmorillonite] Blaß et al. (2010)
      • Vogelsbergkreis
        • Herbstein
[Montmorillonite]
        • Homberg
          • Nieder-Ofleiden
[Montmorillonite] Neschen (n.d.)
        • Schotten
[Montmorillonite] Zeolite collection of Volker Betz
    • Kassel Region
      • Fulda
        • Hilders
          • Rupsroth
[Montmorillonite] Weiß (1990)
      • Kassel
        • Ahnatal
          • Weimar
[Montmorillonite] Weiß (1990)
        • Hofgeismar
[Montmorillonite] Weiß (1990)
      • Schwalm-Eder
        • Felsberg
          • Rhünda
[Montmorillonite] Collection of Walter Göttler
      • Werra-Meißner
        • Witzenhausen
          • Hundelshausen
[Montmorillonite] Dreizler (1962)
  • Lower Saxony
    • County of Bentheim District
      • Nordhorn
        • Frenswegen
[Montmorillonite] Füchtbauer et al. (1956)
    • Goslar District
      • Bad Harzburg
        • Radau valley
[Montmorillonite]
      • Braunlage
[Montmorillonite]
    • Göttingen District
      • Adelebsen
[Montmorillonite] Weiß (1990)
    • Hildesheim District
      • Sarstedt
[Montmorillonite] Burns (2007)
[Montmorillonite] G.R. Osinski et al.
  • North Rhine-Westphalia
    • Arnsberg
      • Hochsauerlandkreis
        • Marsberg
[Montmorillonite] Schnorrer-Köhler (1991)
    • Cologne
      • Rhein-Sieg-Kreis
        • Königswinter
[Montmorillonite] Frechen (1976)
    • Düsseldorf
      • Essen
        • Stoppenberg
[Montmorillonite] Rykart et al. (1978) +1 other reference
  • Rhineland-Palatinate
    • Ahrweiler
      • Adenau
        • Adenau
          • Breidscheid
[Montmorillonite] Hentschel (1987)
        • Hoffeld
[Montmorillonite] Hentschel (1987)
        • Quiddelbach
[Montmorillonite] Hentschel (1987)
      • Brohltal
        • Brenk
[Montmorillonite] Hentschel (1987)
        • Spessart
          • Hannebach
[Montmorillonite] collection of Ch.&H. Schäfer
      • Remagen
        • Unkelbach
[Montmorillonite] Hentschel (1987)
    • Donnersbergkreis
      • Kirchheimbolanden
        • Dannenfels
[Montmorillonite] 50. +1 other reference
    • Mayen-Koblenz
      • Mendig
        • Mendig
[Montmorillonite] Hentschel (1983)
[Montmorillonite] Hentschel (1987)
[Montmorillonite] Hentschel (1987)
          • Wingertsberg
[Montmorillonite] Hentschel (1990)
      • Pellenz
        • Kruft
[Montmorillonite] Hentschel (1990)
        • Nickenich
[Montmorillonite] Blaß et al. (1996)
      • Vordereifel
        • Bermel
[Montmorillonite] Hentschel (1987)
        • Ettringen
[Montmorillonite] Hentschel (1978)
    • Neuwied
      • Linz am Rhein
        • Linz am Rhein
[Montmorillonite] in the collection of Hermann Fuchs
    • Rhein-Lahn-Kreis
      • Loreley
        • Sankt Goarshausen
          • Wellmich
[Montmorillonite] Weiß (1990)
    • Vulkaneifel
      • Daun
        • Dreis-Brück
[Montmorillonite] Hentschel (1983)
        • Üdersdorf
[Montmorillonite] Schüller et al. (1986)
[Montmorillonite] Hentschel (1987)
      • Gerolstein
        • Hillesheim
[Montmorillonite] Hentschel (1993)
        • Oberbettingen
[Montmorillonite] Hentschel (1987)
        • Rockeskyll
          • Rockeskyll volcanic complex
[Montmorillonite] Hentschel (1983)
[Montmorillonite] Hentschel (1983)
        • Walsdorf
          • Zilsdorf
[Montmorillonite] Hentschel (1978)
      • Kelberg
        • Bereborn
[Montmorillonite] Hentschel (1987)
        • Höchstberg
[Montmorillonite] Hentschel (1987)
        • Reimerath
[Montmorillonite] Weiß (1990)
  • Saxony
    • Erzgebirgskreis
      • Ehrenfriedersdorf
[Montmorillonite] Wittern (2001)
      • Oberwiesenthal
[Beidellite] mikon-online.com (n.d.)
      • Raschau-Markersbach
        • Langenberg
[Montmorillonite] Schüller et al. (1950)
[Montmorillonite] Lapis 30 (7/8)
    • Mittelsachsen
[Montmorillonite] Wittern (2001)
        • Himmelfahrt Mine
[Montmorillonite] Field collected by Alfredo Petrov
    • Sächsische Schweiz-Osterzgebirge
      • Freital
        • Wurgwitz
[Beidellite] www.geologica-saxonica.de (n.d.)
    • Vogtlandkreis
      • Limbach
[Montmorillonite] Tröger (2012)
    • Zwickau District
      • Callenberg
[Montmorillonite] Leonhardt et al. (1991)
  • Schleswig-Holstein
    • Pinneberg
      • Barmstedt
[Montmorillonite] Wittern (2001)
  • Thuringia
[Montmorillonite] Witzke et al. (1998)
    • Schmalkalden-Meiningen District
      • Dolmar-Salzbrücke
        • Kühndorf
[Montmorillonite] Schüller (1953)
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • Agios Konstantinos (Kamariza)
          • Mercati mines
[Beidellite] Rieck et al. (2018)
  • Central Greece
    • Boeotia
      • Orchomenus
[Montmorillonite] Kalatha et al. (2017)
  • Central Macedonia
    • Chalkidiki
      • Aristotelis
        • Kassandra mining district
[Montmorillonite] Singer et al. (2008)
    • Kilkis
      • Kilkis
[Montmorillonite] Singer et al. (2008)
  • Ionian Islands
    • Corfu
      • Central Corfu and Diapontia Islands
        • Giannades
[Montmorillonite] Rieck (n.d.)
  • Peloponnese
    • Laconia
      • Monemvasia
        • Molaoi
[Montmorillonite] Kevrekidis et al. (2024)
  • South Aegean
    • Milos
      • Kimolos
        • Kimolos Island
[Montmorillonite] Godelitsas et al. (2010)
      • Milos Island
[Montmorillonite] Kilias et al. (2001)
    • Mykonos
[Montmorillonite] Tsirigoti et al. (2025)
Greenland
 
  • Kujalleq
[Montmorillonite] Sørensen (2001) +1 other reference
Hungary
 
  • Baranya County
    • Pécs District
      • Gyód
[Montmorillonite] Kovács et al. (2003)
    • Pécsvárad District
[Montmorillonite] Szakáll et al. (1996)
  • Borsod-Abaúj-Zemplén County
    • Kazincbarcika District
[Montmorillonite]
    • Putnok District
      • Aggtelek
[Montmorillonite] Kovács-Pálffy et al. (2008)
[Montmorillonite] Kovács-Pálffy et al. (2008)
    • Sárospatak District
[Montmorillonite] Szakáll et al. (1996)
[Montmorillonite]
    • Szerencs District
      • Mád
[Montmorillonite] Koch (1985)
    • Tokaj District
[Montmorillonite] Szakáll et al. (1996)
      • Tarcal
[Montmorillonite]
  • Fejér County
    • Székesfehérvár District
      • Gánt
[Montmorillonite] Szakáll-Jánosi: Minerals of Hungary
  • Heves County
    • Gyöngyös District
      • Abasár
[Montmorillonite] Szakáll & Jánosi. Minerals of Hungary
      • Gyöngyöstarján
[Montmorillonite]
[Montmorillonite] www.geomania.hu (2013)
      • Kisnána
[Montmorillonite] Szakáll et al. (2010)
[Montmorillonite] Szakáll (2002)
    • Pétervására District
      • Recsk
[Montmorillonite] Földessy et al. (2008)
  • Komárom-Esztergom County
    • Süttő
[Montmorillonite] Koch (1985)
  • Nógrád County
    • Bercel
[Montmorillonite] Sándor et al. (2005)
[Montmorillonite] Geoda - Journal of the Hungarian ...
    • Mátrakeresztes
[Montmorillonite]
  • Pest County
    • Szentendre District
      • Szentendre
[Montmorillonite]
    • Szob District
      • Márianosztra
[Montmorillonite] Szakáll & Jánosi. Minerals of Hungary
      • Nagybörzsöny
[Montmorillonite] Szakáll et al. (1996)
  • Veszprém County
    • Ajka District
      • Úrkút
        • Csárda Hill
[Montmorillonite] Szakáll & Jánosi (1996)
    • Pápa District
[Beidellite] Szakáll & Gatter: Hun. Min. Spec.
    • Sümeg District
      • Bazsi
        • Prága Hill
[Montmorillonite] Szakáll et al. (1996) +1 other reference
Iceland
 
  • Capital Region
    • Hafnarfjörður
      • Krysuvik-Seltun geothermal area
[Montmorillonite] Sigurdur H. Markússon
  • Northeastern Region
    • Þingeyjarsveit
      • Skútustaðahreppur
        • Myvatn
[Montmorillonite] Carson (2015)
India
 
  • Gujarat
    • Kutch District
[Beidellite] Patel et al. (1978)
  • Karnataka
[Montmorillonite] Nayak et al. (2024)
[Montmorillonite] www.mpgovt.nic.in/mineralresources/
    • Betul Belt
[Montmorillonite] Shukla et al. (2021)
    • Jhabua District
[Montmorillonite] Banerjee
[Montmorillonite] Banerjee
    • Narsinghpur District
[Montmorillonite] Raju +1 other reference
  • Maharashtra
    • Nashik Division
      • Jalgaon District
        • Sawade Pr Chandsar
[Montmorillonite] Gotze +7 other references
  • Nagaland
    • Phek District
[Montmorillonite] G. K. Kesar (2011)
  • Odisha
    • Bargarh District
[Montmorillonite] Barber (1981)
    • Jajapur (Jajpur) District
      • Sukinda ultramafic complex
        • Sukinda Valley
[Montmorillonite] Nayak et al. (1998)
Indian Ocean
 
[Montmorillonite] Nayak et al. (2011)
  • Ninety East Ridge (90° E Ridge; Indian Ridge)
    • D.S.D.P.
      • Leg 26
[Beidellite] D. Besse et al.
Indonesia
 
  • Aceh Province
    • Pidie Regency
[Montmorillonite] Mulja et al. (2022)
  • Bengkulu Province
    • Rejang Lebong District (Rediang Lebong District)
[Montmorillonite] Al Hakim et al. (2024)
  • Central Java Province
[Montmorillonite] Suhendra et al. (2024)
  • Gorontalo Province
[Montmorillonite] Singer et al. (2008)
  • North Maluku Province
    • Obi Islands
      • Obi Island
[Montmorillonite] Bambang Nugroho et al. (2024)
  • Papua Province
    • Mimika Regency
[Montmorillonite] Singer et al. (2008)
  • Southeast Sulawesi Province
    • North Konawe Regency
[Montmorillonite] Qi et al. (2024)
  • Southwest Papua Province
[Montmorillonite] Taixu Luo (2008)
  • Special Region of Yogyakarta
    • Gunung Kidul Regency
[Montmorillonite] Al Hakim et al. (2017)
  • West Java Province
    • Bogor Regency
[Montmorillonite] Milési et al. (1999)
    • Garut Regency
[Montmorillonite] Imawan et al. (2024)
    • Sukabumi Regency
[Montmorillonite] Yuningsih et al. (2014)
  • West Nusa Tenggara Province
    • Sumbawa Island
      • West Sumbawa Regency
[Montmorillonite] Singer et al. (2008)
  • West Sumatra Province
    • Lima Puluh Kota Regency
[Montmorillonite] Abidin et al. (2014)
Iran
 
  • Chaharmahal and Bakhtiari Province
    • Kiar County
[Montmorillonite] Ellahi et al. (2016)
  • East Azerbaijan Province
    • Mianeh County
[Montmorillonite] Yousefi et al. (2025)
  • Isfahan Province
    • Irankuh Mining District
[Montmorillonite] Hosseini-Dinani et al. (2016)
  • Kerman Province
    • Sirjan County
      • Pariz
[Montmorillonite] Derakhshani et al. (2009)
[Montmorillonite] Khorasanipour (2015)
  • Markazi Province
    • Arak County
[Montmorillonite] Ghadimi et al. (2013)
    • Saveh County
[Montmorillonite] Fazli et al. (2022)
    • Zarandieh County
[Montmorillonite] Fazli et al. (2024)
[Montmorillonite] Goudarzi et al. (2024)
  • Qazvin Province
    • Qazvin County
[Montmorillonite] Shahbazi et al. (2019)
  • Sistan and Baluchestan Province
    • Iranshahr County
      • Bazman Volcano
[Montmorillonite] Ali Sholeh et al. (2016)
  • South Khorasan Province
    • Khusf County
[Montmorillonite] Raeisi et al. (2023)
  • West Azerbaijan Province
    • Poldasht County
[Montmorillonite] Fritz Ebner et al. (2018)
  • Yazd Province
    • Ardakan County
      • Kharanaq District
        • Rabatat Rural District
[Montmorillonite] Sepidbar et al. (2021)
    • Bafq County
[Montmorillonite] Shirkhani et al. (2025)
  • Zanjan Province
    • Mahneshan County
      • Anguran District
        • Sheykhlar
[Montmorillonite] USGS database
    • Zanjan County
[Montmorillonite] Ghasemi Siani et al. (2022)
      • Glojeh polymetallic deposit
[Montmorillonite] Mehrabi et al. (2016)
Ireland
 
  • Connacht
    • Galway County
      • Killimor
[Montmorillonite] de Haller +1 other reference
Israel
 
  • Haifa District
    • Hadera
      • Hof HaCarmel
[Montmorillonite] Weiner et al. (1993)
  • Southern District
    • Beersheba Subdistrict
      • Hevel Eilot Regional Council
[Montmorillonite] Bartura (1974)
Italy
 
  • Abruzzo
    • Pescara Province
      • Pescosansonesco
[Montmorillonite] Barbieri et al. (1984)
[Montmorillonite] Balenzano F. (1981)
    • Matera Province
[Montmorillonite] Balenzano F. (1981)
[Montmorillonite] Balenzano F. (1981)
[Montmorillonite] Balenzano F. (1981)
    • Potenza Province
[Montmorillonite] Balenzano F. (1981)
[Montmorillonite] Balenzano F. (1981)
[Montmorillonite] Balenzano F. (1981)
[Montmorillonite] Balenzano F. (1981)
  • Calabria
    • Cosenza Province
      • Cassano all'Ionio (Cassano allo Ionio)
[Montmorillonite] Catalano et al. (2014) +1 other reference
  • Friuli Venezia Giulia
    • Udine Province
[Montmorillonite] Bortolozzi et al. (2018)
  • Lazio
    • Metropolitan City of Rome Capital
      • Bracciano
        • Castel Giuliano
[Montmorillonite] Di Sabatino et al. (1979)
      • Campagnano di Roma
[Montmorillonite] Stoppani et al. (1982)
      • Cerveteri
        • Sasso di Furbara (Sasso)
[Montmorillonite] Mattias et al. (1979) +1 other reference
      • Manziana
[Beidellite] Pinzari et al. (2021)
  • Liguria
    • Genoa
      • Ne
[Montmorillonite] 415. +1 other reference
        • Reppia
[Montmorillonite] Redazione (2005)
      • Sestri Levante
[Montmorillonite] Carbone et al. (2002)
    • La Spezia Province
      • Borghetto di Vara
[Montmorillonite] Palenzona et al. (1988)
    • Savona Province
      • Magliolo
[Montmorillonite] Castellaro-Kampf
  • Lombardy
    • Bergamo Province
      • Dossena
[Montmorillonite] Maida (2002)
    • Sondrio Province
      • Valfurva
        • Zebrù Valley
[Montmorillonite] Bedognè et al. (2006)
  • Piedmont
    • Cuneo Province
      • Garessio
[Montmorillonite] Matteo Azili Collection
      • Montaldo di Mondovì
        • Borgata Oberti
[Montmorillonite] Piccoli et al. (2007) +1 other reference
    • Metropolitan City of Turin
      • Angrogna
[Montmorillonite] Vola (2020)
    • Verbano-Cusio-Ossola Province
      • Baceno
        • Devero Alp
[Montmorillonite]
      • Druogno
        • Orcesco
[Montmorillonite] Mattioli V. - La Vigezzite
      • Premosello-Chiovenda
[Montmorillonite] Michele Verdi et al. (2025)
      • Trontano
        • Pizzo Marcio
[Montmorillonite] Mattioli (1979 b) +3 other references
[Montmorillonite] Appiani et al. (1995) +2 other references
  • Sardinia
    • Oristano Province
      • Laconi
[Montmorillonite] Uras (1974) +1 other reference
    • Sassari Province
      • Alghero
        • Calabona area
[Montmorillonite] Singer et al. (2008)
      • Arzachena
        • Mt. Mazzolu
[Montmorillonite] Gamboni et al. (2012)
[Montmorillonite] S. Cuccuru (2011)
      • La Maddalena
        • La Maddalena Island
[Montmorillonite] Billows (1941)
      • Mara
[Montmorillonite] Padalino et al. (2003)
      • Olmedo
[Montmorillonite] MacLean et al. (1997)
      • Osilo
[Montmorillonite] Simeone et al. (1999)
    • South Sardinia Province
      • Domusnovas
[Montmorillonite] Stara P. (1996)
      • Furtei
[Montmorillonite] Da Pelo et al. (2000)
  • Sicily
    • Metropolitan City of Messina
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Lipari Island
            • Quattropani
[Montmorillonite] Apollaro et al. (2023)
[Montmorillonite] Savelli et al. (1999)
[Montmorillonite] Cardiano et al. (2008)
  • Trentino-Alto Adige (Trentino-South Tyrol)
    • Trento Province
[Montmorillonite] Bortolozzi (n.d.)
      • Moena
[Montmorillonite var: Batrachite] De Michele (1974)
      • Roncegno Terme
[Montmorillonite] Bortolozzi et al. (2013)
      • San Giovanni di Fassa
[Montmorillonite var: Batrachite]
  • Tuscany
    • Grosseto Province
      • Monterotondo Marittimo
[Montmorillonite] Dr. GIOVANNI MONTINI (GR)
    • Livorno Province
      • Rosignano Marittimo
        • Castiglioncello
[Montmorillonite] Bonifazi (2020)
    • Lucca Province
      • Stazzema
[Montmorillonite] Benvenuti et al. (2000)
    • Pisa Province
      • Pomarance
[Montmorillonite] Bardi et al. (2009)
[Montmorillonite] Cipriani et al. (1977)
  • Tyrrhenian Sea
    • Southern Tyrrhenian Sea
      • Aeolian Arc seamounts
[Montmorillonite] Eckhardt et al. (1997)
[Montmorillonite] Eckhardt et al. (1997)
  • Veneto
    • Verona Province
      • Soave
[Montmorillonite] Pasquale Antonazzo collection - 2008
    • Vicenza Province
      • Cornedo Vicentino
        • Spagnago
[Montmorillonite] 50 +1 other reference
      • Posina
[Montmorillonite] Andreatta (1950)
      • Torrebelvicino
        • Mercanti Valley
[Montmorillonite] Boscardin
[Montmorillonite] De Michele (1974)
      • Valdagno
        • Cerealto
[Montmorillonite] Boscardin et al. (1998)
Japan
 
  • Akita Prefecture
    • Kosaka
      • Kosaka mine
[Montmorillonite] Almeda (1985)
    • Odate
[Montmorillonite] Shikazono et al. (1998)
      • Hanaoka mine
[Montmorillonite] Kagaya (1962)
        • Kanondo deposit
[Montmorillonite] Akira Kato (2011)
[Montmorillonite] Hideo Kuroda (1978)
[Montmorillonite] - (n.d.)
    • Yurihonjō City
      • Chokai
[Montmorillonite] Kim (1994)
  • Aomori Prefecture
    • Kamikita District
[Montmorillonite] INOUE et al. (1991)
  • Fukuoka Prefecture
    • Fukuoka City
[Beidellite] Professor Seiichiro Uehara
  • Fukushima Prefecture
    • Minamisōma City
[Montmorillonite] Atsushi ISHIHARA
[Montmorillonite] Chunxie Pu (1978)
  • Gifu Prefecture
    • Kani City
[Montmorillonite] Alfredo Petrov collection
    • Mizunami City
      • Tsukiyoshi uranium ore deposits
[Montmorillonite] Itwatsuki T. and H. Yoshida (1999)
    • Seki City
      • Horado mine
[Montmorillonite] Yamada (2004)
  • Gunma Prefecture
    • Annaka City
[Montmorillonite] - (n.d.)
  • Hiroshima Prefecture
[Montmorillonite] Sakae et al. (1975) +1 other reference
  • Hokkaidō Prefecture
    • Okhotsk Subprefecture
      • Tokoro District
        • Oketo town
[Montmorillonite] Watanabe J and Hasegawa K (1986)
    • Shiribeshi Subprefecture
[Montmorillonite] Nakamoto et al. (1969)
  • Hyogo Prefecture
[Montmorillonite] Myint (1996)
  • Ishikawa Prefecture
    • Komatsu City
[Montmorillonite] Ohe Rikosha specimens
  • Iwate Prefecture
    • Hachimantai City
[Montmorillonite] Iichiro Takahashi (1957)
    • Hachimantai geothermal area
[Montmorillonite] Kimbara et al. (1982)
    • Kunohe-gun
      • Noda
[Montmorillonite] - (n.d.)
    • Waga District
[Montmorillonite] Arribas et al. (2018)
  • Kagoshima Prefecture
    • Hishikari gold mine
[Montmorillonite] Fulin Zhang et al. (1986) +1 other reference
[Montmorillonite] Ibaraki et al. (1991)
    • Ichikikushikino City
[Montmorillonite] Matsuhisa et al. (1985)
[Montmorillonite] TAKEUCHI et al. (1984)
    • Isa City
[Beidellite] The Mineral Species of Japan (5th ed)
    • Satsumasendai City
      • Iriki
[Montmorillonite] - (n.d.)
  • Miyagi Prefecture
    • Kurihara City
[Montmorillonite] Narita (1961) +2 other references
[Montmorillonite] Arribas et al. (2018)
    • Onikobe-Hosokura mining district
[Montmorillonite] Narita (1963)
[Montmorillonite] Narita (1963)
[Montmorillonite] - (n.d.) +1 other reference
  • Nagano Prefecture
[Montmorillonite] Fujii et al. (1971)
[Beidellite] The Mineral Species of Japan (5th ed)
    • Shimotakai District
[Montmorillonite] Fujii et al. (1971)
  • Nagasaki Prefecture
    • Tsushima City (Tsushima islands)
      • Tsushima-Shimoshima island
        • Azu
[Beidellite] Masaharu NAKAGAWA (2001)
  • Nara Prefecture
    • Uda City
[Montmorillonite] Nokleberg et al. (2010)
  • Niigata Prefecture
    • Itoigawa City
      • Ōmi
        • Hashidate
[Montmorillonite] Yamada (2004)
[Montmorillonite] Display captions at local museum.
    • Minamiuonuma City
[Montmorillonite] - (n.d.)
    • Murakami City
[Beidellite] - (n.d.)
  • Oita Prefecture
    • Hita City
[Montmorillonite] geopubs.wr.usgs.gov (2004) +1 other reference
  • Okayama Prefecture
    • Takahashi City
      • Bitchū
        • Shitouyouze
[Montmorillonite] Matsueda (1980)
  • Okinawa Prefecture
    • Ishigaki City
      • Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands)
        • Okinawa Trough
[Montmorillonite] Suzuki et al. (2008)
[Montmorillonite] Suzuki et al. (2008)
    • Okinawa Trough
[Montmorillonite] Yeats et al. (2017)
  • Saga Prefecture
    • Higashimatsuura district
      • Genkai-cho
        • Hinodematsu
[Montmorillonite] Ishibashi (1974)
  • Shiga Prefecture
    • Otsu City
[Montmorillonite] Nakatsugawa Mineral Museum (Gifu Prefecture, Japan)
  • Shimane Prefecture
    • Izumo City
[Montmorillonite] Sudo et al. (1967)
  • Shizuoka Prefecture
    • Izu City
[Beidellite] The Mineral Species of Japan (5th ed)
    • Shimoda City
      • Rendaiji
[Montmorillonite] Yamada (2004)
  • Tokyo Metropolis
[Montmorillonite] Marumo et al. (2008)
  • Tottori Prefecture
[Montmorillonite] Amer.Min. (1959)
Jordan
 
  • Amman Governorate
[Beidellite] Techer et al. (2006)
Kazakhstan
 
  • Jambyl Region
    • Moiynkum District
[Montmorillonite] Jeremolenko (2002)
  • Jetisu Region
    • Tekeli
[Montmorillonite] Saburov (2005)
  • Karaganda Region
    • Shet District
      • Kayrakty (Kairakty)
[Montmorillonite] - (2005)
      • Moyynty
        • Mointy Railway Station
          • Shunak Mountains
[Montmorillonite] Yegorov et al. (1970)
  • North Kazakhstan Region
    • Ualikhanov District
[Montmorillonite] Karshigina et al. (2018)
Kosovo
 
  • Mitrovica District
    • Leposavić
[Montmorillonite] Palinkaš +6 other references
Kyrgyzstan
 
  • Chuy Region
    • Kemin District
[Montmorillonite] Singer et al. (2008)
  • Issyk-Kul Region
[Montmorillonite] Soloviev (2011)
Madagascar
 
  • Amoron'i Mania
    • Ambositra District
      • Sahatsiho Ambohimanjaka
[Montmorillonite] Federico Pezzotta XRD analysis
  • Atsimo-Andrefana
[Montmorillonite] Di Cecco (2013)
  • Vakinankaratra
    • Antsirabe II District
      • Ibity
        • Sahatany Valley
[Montmorillonite] Behier (1963)
    • Betafo District
      • Anosiarivo Manapa
        • Antsentsindrano
[Montmorillonite] Knut Edvard Larsen collection # M-538 (Similar specimen analyzed by XRD, pers. com. F.Pezzotta 21.04.2000)
Malaysia
 
  • Sarawak
    • Samarahan Division
      • Simunjan District
[Montmorillonite] Caisheng Zhao et al. (2004)
Marshall Islands
 
[Montmorillonite] Rex (1967)
Mexico
 
  • Baja California Sur
    • Mulegé Municipality
      • Santa Rosalía
[Montmorillonite] Moore (1998)
  • Chihuahua
    • Aldama Municipality
[Beidellite] Cross (2006)
      • Peña Blanca District
[Montmorillonite] Hernández-Herrera et al. (2025)
[Montmorillonite] Faudoa-Gómez et al. (2024)
[Montmorillonite] Econ Geol (1991) +1 other reference
[Montmorillonite] Econ Geol (1991)
    • Aquiles Serdán Municipality
      • Santa Eulalia Mining District
        • East Camp
[Montmorillonite] Megaw (1990)
    • Chínipas Municipality
      • Palmarejo
[Montmorillonite] Sotelo (2016)
    • Jiménez Municipality
[Montmorillonite] - (SGM, 2019)
    • Namiquipa Municipality
      • Namiquipa
[Beidellite] Panczner (1987)
    • Pueblito de Allende
[Montmorillonite] Brearley et al. (1998)
    • Saucillo Municipality
      • Naica
[Montmorillonite] Querol +1 other reference
  • Durango
    • Coneto de Comonfort Municipality
      • Coneto de Comonfort
[Montmorillonite]
  • Guanajuato
    • Santa Catarina Municipality
      • Santa Catarina
        • Cerro de las Fajas
[Montmorillonite] Am Min (1955)
  • Guerrero
    • Taxco de Alarcón
[Montmorillonite] Yta et al. (2005)
  • Hidalgo
    • Molango Municipality
[Montmorillonite] Madondo et al. (2025)
    • Zimapán Municipality
      • Zimapán
[Montmorillonite] Morgan (2017)
  • Michoacan
    • Mugica Municipality
      • Nueva Italia de Ruiz
[Montmorillonite] Singer et al. (2008)
  • Puebla
[Montmorillonite] Li et al. (2022)
  • San Luis Potosí
    • Zaragoza Municipality
[Montmorillonite] Ruiz et al. (1980)
  • Sonora
    • Álamos Municipality
      • Piedras Verdes
[Montmorillonite] Espinosa Perea (1999)
    • Bacoachi Municipality
      • Bacoachi
[Montmorillonite] Garcia y Barragan (1975)
    • Cumpas Municipality
      • El Verde Mining District
[Montmorillonite] Singer et al. (2005)
  • Zacatecas
    • Fresnillo Municipality
[Montmorillonite] Dilley (1993)
Middle East
 
[Montmorillonite] Gross (1977)
Mongolia
 
  • Dornod Province
    • Dashbalbar District
[Montmorillonite] Wu et al. (2024)
  • Ömnögovi Province
    • Khanbogd District
[Montmorillonite] N.V. Vladykin data
[Montmorillonite] Hawthorne et al. (1986)
[Montmorillonite] Davaasuren et al. (2016)
  • Töv Province
    • Mörön Soum
[Montmorillonite] Singer et al. (2008)
Morocco
 
  • Drâa-Tafilalet Region
[Montmorillonite] Weiß (2006)
Mozambique
 
  • Zambezia Province
[Montmorillonite] Wilson et al. (2000)
    • Alto Mólocuè District
[Beidellite] Gomes et al. (2022)
    • Gilé District
      • Muiane-Naipa group
[Montmorillonite] Wilson et al. (2000)
Namibia
 
  • Erongo Region
    • Karibib Constituency
      • Okongava Ost Farm 72
[Montmorillonite] King (n.d.)
  • Khomas Region
    • Windhoek Rural
      • Aris
[Montmorillonite] Warta et al. (2006) +1 other reference
  • Oshikoto Region
    • Tsumeb
[Montmorillonite] Gebhard (1999)
  • Otjozondjupa Region
    • Grootfontein Constituency
      • Abenab
[Montmorillonite] von Bezing (2007)
[Montmorillonite] Cairncross (1997)
Nazca Plate
 
[Montmorillonite] Zawadzki et al. (2022) +1 other reference
Netherlands
 
  • North Holland
    • Zaanstad
[Montmorillonite] T.G. Nijland
New Zealand
 
  • Canterbury Region
    • Selwyn District
[Beidellite] Railton et al. (1990)
[Beidellite] Carlson et al. (1974)
  • Gisborne Region
    • Hicks Bay
[Beidellite] Cody et al. (1981)
  • New Zealand Outlying Islands
    • Campbell Island group
[Montmorillonite] Mac Beggs (1978)
    • Kermadec Islands
[Montmorillonite] Lloyd et al. (1996)
  • Northland Region
    • Kaipara District
      • Hukatere Peninsula
[Montmorillonite] Jones (1972)
  • Otago Region
    • Kakanui
[Montmorillonite] Dickey (1968) +1 other reference
    • Oamaru
[Montmorillonite] Reay et al. (2002)
  • Southland Region
    • Gore District
      • Waimumu
[Montmorillonite] Mulliner (2006)
    • Invercargill City
[Montmorillonite] Mossman et al. (2000)
[Montmorillonite] Mossman et al. (2000)
    • Southland District
      • Ohai
[Montmorillonite] Sherwood et al. (1992)
  • Waikato Region
    • Hauraki District
      • Waihi
[Montmorillonite] Singh (2015)
      • Waitekauri
[Montmorillonite] Railton et al. (1990)
[Montmorillonite] Rabone et al. (1989)
[Montmorillonite] Rabone
    • Matamata-Piako District
      • Te Aroha
[Montmorillonite] Courtney et al. (1990)
    • Thames-Coromandel District
      • Hikuai
[Montmorillonite] Moore (1979)
[Montmorillonite] Moore (1979)
Nicaragua
 
  • León Department
[Montmorillonite] Hynek et al. (2013)
    • La Paz Centro
[Montmorillonite] Hynek et al. (2013)
    • Telica
[Montmorillonite] Hynek et al. (2013)
[Montmorillonite] Hynek et al. (2013, March) +1 other reference
Niger
 
  • Agadez
    • Azelik deposit
[Montmorillonite] www.cnncintl.com (2015)
North America
 
[Montmorillonite] 182-183. +1 other reference
North Korea
 
  • Kangwon Province
    • Chunchon-gun
      • Sanae-myon
        • Sachang-ni
[Montmorillonite] Tsuda (1969)
    • Pyonggang County
[Montmorillonite] Pavel.M. Kartashov (n.d.) +1 other reference
North Macedonia
 
  • Kavadarci Municipality
    • Bojančište
[Montmorillonite] Temovski (2016)
  • Lipkovo Municipality
[Montmorillonite] Radusinovic (1966)
  • Probistip Municipality
    • Kratovo-Zletovo ore district
[Montmorillonite] Serafimovski et al. (2016)
[Montmorillonite] Radusinovic (1974)
Norway
 
  • Agder
    • Arendal
      • Barbudalen
        • Steinsås
[Montmorillonite] Weibye (1848)
    • Bygland
[Montmorillonite] Breivik (2015)
    • Evje og Hornnes
      • Landsverk
[Montmorillonite] Revheim (2006)
    • Farsund
      • Lista
        • Ullgjellvatnet
[Beidellite] Isachsen et al. (1948)
    • Froland
[Montmorillonite] Nilssen et al. (1973) +1 other reference
    • Lyngdal
[Beidellite] Barth (1940)
  • Akershus
    • Asker
      • Røyken
[Montmorillonite] Nordrum (1999)
    • Eidsvoll
      • Minnesund
[Montmorillonite] Nordrum et al. (2006)
    • Lunner
[Montmorillonite] Raade et al. (1982)
      • Øståsen
[Montmorillonite] Kvamsdal (1998)
    • Nannestad
      • Hurdalsjøen
[Montmorillonite] Larsen (1978)
  • Buskerud
    • Drammen
      • Austad-Fjell
[Montmorillonite] Nordrum (2007)
[Montmorillonite] Nordli et al. (1997) +1 other reference
      • Konnerud
[Montmorillonite] Ihlen (1986)
[Montmorillonite] Wel (1972)
    • Lier
      • Sylling
[Montmorillonite] Raade et al. (1993)
  • Innlandet
    • Grue
[Montmorillonite] Hjelle et al. (1960) +1 other reference
  • Nordland
    • Fauske
      • Sulitjelma
[Montmorillonite] Nordrum (2004)
    • Narvik
[Montmorillonite] Husdal (2008)
  • Oslo
    • Grorud
[Montmorillonite] Kvamsdal (1990) +1 other reference
    • Oslomarka
[Montmorillonite] Kvamsdal (2018)
  • Østfold
    • Sarpsborg
      • Tune
[Montmorillonite] Kristiansen (2022)
  • Telemark
    • Bamble
      • Kjørstad
[Montmorillonite] Larsen (2025)
    • Kragerø
      • Valberg
[Montmorillonite] Nordrum (2000)
    • Porsgrunn
      • Auenlandet
        • Sagåsen
[Montmorillonite] Larsen et al. (2005)
[Montmorillonite] Engvoldsen et al. (1991)
      • Bjørkøya
[Montmorillonite] Berge (n.d.)
      • Eidanger
        • Bergsbygda
[Montmorillonite] Brøgger (1890, January)
      • Håøya
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Berge (n.d.)
      • Langangen
[Montmorillonite] Larsen et al. (1976)
      • Løvøya
[Montmorillonite] Brøgger (1890, January)
[Montmorillonite] Åsheim et al. (2008)
      • Risøya
[Montmorillonite] Berge (n.d.)
      • Siktesøya
[Montmorillonite] Engvoldsen et al. (1991)
    • Skien
      • Flakvarp
        • Torsberg
[Montmorillonite] Larsen (1993)
  • Troms og Finnmark
    • Alta
      • Stjernøya Island
        • Lillebukt Alkaline Complex
[Montmorillonite] Salter et al. (1974)
  • Trøndelag
    • Oppdal
[Montmorillonite] Witsø (1994)
  • Vestfold
    • Færder
      • Færder Islands
[Montmorillonite] Andersen (2017)
    • Holmestrand
      • Hof
[Montmorillonite] Larsen (2004)
      • Kjeksrød
[Montmorillonite] Nordrum et al. (1997) +1 other reference
[Montmorillonite] Nordrum et al. (2006)
    • Larvik Commune
      • Arøyskjærene (Arøy skerries)
[Montmorillonite] Berge (n.d.)
      • Barkevik area
        • Kjeøya
[Montmorillonite] Berge (n.d.)
      • Brunlanes
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Berge (n.d.)
      • Hedrum
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Berge (1993)
        • Lågendalen
[Montmorillonite] Larsen et al. (1992)
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Andersen (1993)
[Montmorillonite] Berge (n.d.)
        • Lysebo
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Berge (n.d.)
      • Malerød
[Montmorillonite] Berge (1993)
      • Stavern (Fredriksvärn)
        • Fuglevika
[Montmorillonite] Berge (n.d.) +1 other reference
[Montmorillonite] Berge (n.d.)
      • Store Arøya (Arøy)
[Montmorillonite] Berge (n.d.)
      • Tjølling
        • Klåstad
[Montmorillonite] Berge (n.d.) +1 other reference
      • Tvedalen
[Montmorillonite] Larsen (2015)
[Montmorillonite] Nordrum (2007)
        • Tuften
[Montmorillonite] Larsen et al. (2010)
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Berge (n.d.)
    • Sandefjord
      • Østerøya
[Montmorillonite] Berge (n.d.)
        • Søndre Sunde
[Montmorillonite] Berge (n.d.)
        • Yxney
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Berge (n.d.)
      • Vesterøya
[Montmorillonite] Berge et al. (2011)
        • Framnes
[Montmorillonite] Berge (n.d.)
[Montmorillonite] Berge (2013)
[Montmorillonite] Larsen et al. (2010)
[Montmorillonite] Åsheim et al. (2008)
[Montmorillonite] Raade et al. (1980)
    • Tønsberg
[Montmorillonite] Larsen et al. (2007)
      • Ramnes
[Montmorillonite] Andersen et al. (1994)
  • Vestland
    • Fitjar
      • Fitjarfjellet
[Montmorillonite] Breivik (2018)
    • Luster
      • Berdalen
        • Hurrungane
[Montmorillonite] Berget (2006)
      • Fortun
        • Fortun Hydropower plant
[Montmorillonite] Rosenqvist (1957)
Oman
 
  • Ash Sharqiyah North Governorate
[Montmorillonite] Rajendran et al. (2014)
  • Muscat Governorate
    • Sib
[Montmorillonite]
Pacific Ocean
 
[Montmorillonite] Escoube et al. (2015)
  • Magellan Seamounts
[Montmorillonite] Peretyazhko et al. (2024)
[Montmorillonite] Peretyazhko et al. (2025)
[Montmorillonite] Peretyazhko et al. (2025)
  • Marcus-Wake ridge
[Montmorillonite] Fengyou Chu et al. (2006)
Pakistan
 
  • Balochistan
    • Chagai District
[Montmorillonite] Singer et al. (2008)
      • Saindak
[Montmorillonite] Singer et al. (2008)
  • Gilgit-Baltistan
    • Roundu District
      • Haramosh Mountains
[Montmorillonite] Laurs et al. (1998) +1 other reference
[Montmorillonite] imported from Rondu District +1 other reference
Panama
 
  • Veraguas Province
[Montmorillonite] Byington
Papua New Guinea
 
  • Madang Province
[Montmorillonite] Singer et al. (2008)
  • Morobe Province
[Montmorillonite] Rinne et al. (2018)
[Montmorillonite] Rinne et al. (2018)
[Montmorillonite] Rinne et al. (2018)
  • New Ireland Province
    • Lihir Island area
[Montmorillonite] Petersen et al. (2002)
  • Sandaun Province
    • Frieda river complex
[Montmorillonite] Singer et al. (2005)
  • West New Britain Province
[Montmorillonite] Singer et al. (2008)
Peru
 
  • Ancash
    • Bolognesi Province
      • Huallanca District
        • Huanzala
[Montmorillonite] Imai et al. (1985) +1 other reference
    • Huaraz Province
      • Jangas District
[Montmorillonite] Rainbow et al. (2005)
  • Arequipa
    • Arequipa Province
      • Yarabamba District
[Montmorillonite] Bin Wu et al. (2013)
    • Castilla Province
      • Orcopampa District
[Montmorillonite] Gibson (1992)
  • Huancavelica
    • Castrovirreyna Province
      • Castrovirreyna District
[Montmorillonite] Lewis (1964)
    • Huancavelica Province
      • Huachocolpa District
        • Huachocolpa mining district
[Montmorillonite] Pérez-Puig Obieta et al. (2013)
  • Puno
    • Carabaya Province
[Montmorillonite] O'Connor et al. (2018)
Philippines
 
  • Luzon
    • Bicol Region
      • Camarines Norte Province
        • Jose Panganiban
[Montmorillonite] Jianmin Chen (2011)
    • Cagayan Valley Region
      • Nueva Vizcaya Province
        • Kayapa
[Montmorillonite] Singer et al. (2008)
    • Central Luzon Region
      • Zambales Province
        • San Marcelino
[Montmorillonite] Singer et al. (2008)
    • Cordillera Administrative Region
      • Benguet Province
        • Mankayan
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Singer et al. (2008)
    • Southern Tagalog Region
      • Batangas Province
[Montmorillonite] Singer et al. (2008)
  • Mindanao
    • Caraga Region
      • Surigao del Norte Province
[Montmorillonite] Ignacio (2006)
  • Visayas
    • Central Visayas Region
      • Cebu Province
        • Cebu Island
          • Toledo
[Montmorillonite] Singer et al. (2008)
Poland
 
  • Lower Silesian Voivodeship
[Montmorillonite] Krzysztof Andrzejewski Collection
      • Gmina Męcinka
        • Kondratów
[Montmorillonite] Krzysztof Andrzejewski Collection
        • Męcinka
[Montmorillonite] Krzysztof Andrzejewski Collection
        • Piotrowice
[Montmorillonite] Krzysztof Andrzejewski
    • Karkonosze County
      • Gmina Stara Kamienica
        • Kopaniec
[Montmorillonite] Mochnacka K. 1975: Mineralizacja skał ...
[Montmorillonite] Lis et al. (1986)
    • Legnica County
      • Gmina Krotoszyce
[Montmorillonite] Pendias H. (1961)
      • Gmina Legnickie Pole
        • Lubień
[Montmorillonite] Krzysztof Andrzejewski
        • Mikołajowice
[Montmorillonite] Krzysztof Andrzejewski
      • Gmina Ruja
[Montmorillonite] Krzysztof Andrzejewski
    • Lubań County
      • Gmina Leśna
[Montmorillonite] Lis et al. (1986)
      • Gmina Lubań
        • Jałowiec
[Montmorillonite] Krzysztof Andrzejewski
[Montmorillonite] Lis et al. (1986)
[Montmorillonite] Lis et al. (1986)
[Montmorillonite] Lis et al. (1986)
    • Lwówek Śląski County
      • Gmina Lwówek Śląski
        • Żerkowice
[Montmorillonite] Trippke P. (1878 a)
      • Gmina Wleń
        • Pilchowice
[Montmorillonite] Krzysztof Andrzejewski
    • Świdnica County
      • Gmina Marcinowice
        • Wirki
[Montmorillonite] Sułkowski J. (1967)
      • Gmina Strzegom
        • Strzegom
[Montmorillonite] Janeczek J. et al. (1991)
        • Żółkiewka
[Montmorillonite] Szełęg et al. (2010)
    • Ząbkowice Śląskie County
      • Gmina Ciepłowody
[Montmorillonite] Lis et al. (1986)
[Montmorillonite] Lis et al. (1986)
    • Zgorzelec County
      • Gmina Zgorzelec
        • Gronów
[Montmorillonite] Collected by Krzysztof Andrzejewski
    • Złotoryja County
      • Gmina Złotoryja
        • Wilków
[Montmorillonite] Krzysztof Andrzejewski Collection
  • Lublin Voivodeship
    • Chełm County
      • Gmina Siedliszcze
        • Lechówka quarry
[Montmorillonite] Szopa et al. (2015)
  • Opole Voivodeship
    • Opole County
      • Gmina Niemodlin
        • Molestowice
          • Gracze basanite quarry
[Montmorillonite] Szeliga (2003)
  • Silesian Voivodeship
    • Zawiercie County
      • Gmina Włodowice
        • Rudniki
[Montmorillonite] Krzysztof Andrzejewski
  • Świętokrzyskie Voivodeship
    • Kielce County
[Montmorillonite] Górniak et al. (2021)
Portugal
 
  • Aveiro
    • Albergaria-a-Velha
      • Branca
[Montmorillonite] Marques de Sá et al. (2010)
  • Azores
    • Terceira
      • Praia da Vitória
        • Agualva
[Montmorillonite] Flahaut et al. (2018, September)
  • Beja
    • Beja
      • Santa Vitória e Mombeja
[Montmorillonite] Oliveira et al. (2025)
    • Castro Verde
      • Castro Verde e Casével
[Montmorillonite] Oliveira et al. (2025)
[Montmorillonite] Rui Nunes 23rd January 2009
  • Lisbon
[Montmorillonite] Rui Nunes 2012
  • Viseu
    • Mangualde
      • Mangualde (Mesquitela e Cunha Alta)
        • Cubos-Mesquitela-Mangualde area
[Montmorillonite] Mineralien Atlas
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
[Montmorillonite] International Geological Congress (2008)
Romania
 
  • Alba County
    • Almașu Mare
[Montmorillonite] Popa T. (2004)
  • Arad County
    • Chisindia
[Montmorillonite] Singer et al. (2008)
  • Buzău County
[Montmorillonite] Slavoaca
  • Caraş-Severin County
    • Moldova Nouă
[Montmorillonite] Singer et al. (2008)
  • Harghita County
    • Sântimbru
[Montmorillonite] Ed.:Szakáll S.-Kristály ...
  • Maramureș County
    • Băiuț
[Montmorillonite] A. Januszewska PXRD data / Januszewska et al. (in preparation)
    • Târgu Lăpuș
[Montmorillonite] minerals-of-the-carpathians.eu (2008)
  • Sălaj County
    • Ileanda
      • Răstoci
[Montmorillonite] Onac et al. (2003)
Russia
 
  • Altai Krai
    • Rubtsovsky District
[Montmorillonite] Pekov et al. (2011)
  • Buryatia
    • Mama River Basin
      • Maigunda River
[Montmorillonite] Bailey (1980)
  • Chelyabinsk Oblast
    • Agapovsky District
[Montmorillonite] Talovina et al. (2008)
    • Magnitogorsk
      • Sakhara District (Sakharinskii)
[Montmorillonite] Mikhailov (2000)
    • Plastovsky District
[Montmorillonite] Mashkovtsev et al. (2010)
  • Chukotka Autonomous Okrug
    • Chaunskii District (Chaun)
      • Ilirney ore district
[Montmorillonite] Nikolaev et al. (2013)
[Montmorillonite] Kalko et al. (2014)
[Montmorillonite] Volkov et al. (2011)
  • Kabardino-Balkaria
    • Elbrussky District
[Montmorillonite] Gurbanov et al. (2008)
  • Kamchatka Krai
    • Koryak Okrug
      • Karaginsky District
[Montmorillonite] Anastasiya SERGEEVA (2023)
[Montmorillonite] Bortnikov et al. (2023)
    • Ust-Bolsheretsky District
[Montmorillonite] Pavel.M. Kartashov data.
[Montmorillonite] Pavel M. Kartashov analytical data (1984)
    • Yelizovsky District
      • Kronotsky Reserve
[Beidellite] Active Volcanoes of Kamchatka
[Montmorillonite] Okrugin (2004)
[Beidellite] Okrugin (2004)
  • Kemerovo Oblast
    • Chebulinsky District
      • Chulym-Yenisey basin
[Beidellite] Rudmin et al. (Western Siberia)
[Montmorillonite] Wanlie Ding (2005)
[Montmorillonite var: Askanite] Kuleshov et al. (2002)
  • Khanty-Mansi Autonomous Okrug
    • Berezovo district
      • Saranpaul
[Montmorillonite] Burlakov (1995)
[Montmorillonite] Burlakov (1999)
  • Krasnoyarsk Krai
    • Yeniseisk District
[Montmorillonite] Dai et al. (2022)
  • Magadan Oblast
    • Omchak gold field
[Montmorillonite] Goryachev et al. (2008)
    • Omsukchansky District
[Montmorillonite] Filimonova et al. (2008)
    • Srednekansky District
[Montmorillonite] Savva et al. (2011)
    • Tenkinsky District
      • Ust-Omchug
[Montmorillonite] Зубрев И.Н
[Montmorillonite] Pekin et al. (2010) +1 other reference
[Montmorillonite] Pekin et al. (2010) +1 other reference
  • Moscow Oblast
    • Ruzsky District
[Montmorillonite] Ivan Novikov analytical data
  • Murmansk Oblast
    • Khibiny Massif
[Montmorillonite] PEKOV et al. (2013)
[Montmorillonite] Pekov et al. (2004)
    • Kovdorsky District
[Beidellite]
[Beidellite] ...
    • Lovozersky District
      • Karnasurt Mountain
[Montmorillonite] Pekov et al. (2007)
  • Nenets Autonomous Okrug
    • Yugorskii Peninsula
      • Pai-Khoi Range (Paikhoi; Pay Khoy)
[Montmorillonite] Brusnitsyn et al. (2019)
  • Nizhny Novgorod Oblast
    • Nizhny Novgorod (Gorky; Gor'kii)
[Montmorillonite] Popov et al. (2014)
  • Novgorod Oblast
    • Borovichsky District
      • Borovichi
[Montmorillonite] ...
  • Orenburg Oblast
    • Orsk
      • Khalilovskii Mining District
        • Khabarninskii massif
[Montmorillonite] Sharkov (2009)
    • Svetlinsky District
      • Buruktal Mining District
[Montmorillonite] Mikhailov (2000)
[Montmorillonite] Talovina et al. (2003)
  • Primorsky Krai
    • Dalnegorsk Urban District
[Montmorillonite] Grant et al. (2001)
    • Krasnoarmeysky District
      • Arminsky ore district
[Montmorillonite] Khetchikov +3 other references
    • Nizhne-taezhnyi ore cluster
[Montmorillonite] Ivin et al. (2021)
[Montmorillonite] [World of Stones 12:49]
    • Polar Yakutia
[Montmorillonite] Econ Geol (1995)
[Montmorillonite] Okrugin et al. (2021)
  • Sakhalin Oblast
    • Sakhalin Island
      • Makarovsky District
[Montmorillonite] Sokol et al. (2021)
  • Sverdlovsk Oblast
    • Prigorodny District
      • Yuzhakovo
        • Alabashka pegmatite field
[Montmorillonite] webcenter.ru (2002)
    • Rezhevsky District
      • Lipovsk pegmatite field
[Montmorillonite] Pavel.M. Kartashov (n.d.) +1 other reference
    • Serovsky District
      • Serov
        • Kola massif
[Montmorillonite] Mikhailov (2000)
      • Turya river
        • Tur'insk
[Beidellite] Kasatkin et al. (2021)
  • Tula Oblast
[Montmorillonite] Pavel M. Kartashov's analytical data
  • Ural Mountains
[Montmorillonite] Hyršl (1992)
  • Yamalo-Nenets Autonomous Okrug
[Montmorillonite] Zueva et al. (2023)
    • Priuralsky District
[Montmorillonite] Soloviev et al. (2013)
  • Zabaykalsky Krai
    • Nerchinsky District
      • Adun-Cholon Range
[Montmorillonite] Kasatkin et al. (2014)
Saint Lucia
 
  • Soufrière
[Montmorillonite] A Mars Analogue Site. Masters Thesis +1 other reference
Senegal
 
  • Saint-Louis Region
    • Senegal River
      • Matam (Ouali-Diala)
[Montmorillonite] www.uoguelph.ca (2003)
Serbia
 
  • Central Serbia
    • Bor District
      • Bor
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Xing et al. (2025)
    • Braničevo District
      • Žagubica
[Montmorillonite] Zivanovic (2019)
    • Nišava District
      • Ražanj
[Montmorillonite] Milošević et al. (2024)
    • Pčinja District
      • Bujanovac
[Montmorillonite] Ministry of Mining and Energy (2002) +1 other reference
    • Raška District
      • Raška
        • Jarandol Basin
          • Baljevac na Ibru
[Montmorillonite] Malinko et al. (2004)
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica District
      • Badín
[Beidellite] Koděra (1986)
      • Hrochoť
[Montmorillonite] Koděra (1986)
      • Malachov
[Montmorillonite] Koděra (1986)
    • Banská Štiavnica District
[Montmorillonite]
      • Beluj
[Montmorillonite] Kozák J. et al. (2017)
    • Brezno District
[Montmorillonite] Koděra (1986)
    • Krupina District
[Montmorillonite] Koděra (1986)
    • Revúca District
      • Gemerská Ves
[Montmorillonite] Koděra (1986)
    • Žarnovica District
      • Hodruša-Hámre
[Montmorillonite] Koděra (1986)
      • Nová Baňa
[Montmorillonite] Koděra (1986)
    • Žiar nad Hronom District
[Montmorillonite] Koděra (1986)
      • Kremnica
[Montmorillonite] Ďuďa (1993)
[Montmorillonite] Koděra (1986)
[Montmorillonite] Koděra (1986)
      • Slaská
[Montmorillonite] Koděra (1986)
      • Stará Kremnička
[Montmorillonite] Kraus I. et al. (1989)
[Montmorillonite] Pauliš
  • Bratislava Region
    • Bratislava
[Montmorillonite] Koděra (1986)
    • Pezinok District
      • Modra
[Montmorillonite] Koděra (1986)
[Montmorillonite] Koděra (1986)
  • Košice Region
    • Košice-okolie District
      • Družstevná pri Hornáde
[Montmorillonite] Koděra (1986)
[Montmorillonite] Pauliš et al. (2002)
[Montmorillonite] Koděra (1986)
      • Košický Klečenov
[Montmorillonite] Pauliš et al. (2002)
      • Slanec
[Montmorillonite] Pauliš et al. (2002)
[Montmorillonite] Koděra (1986)
    • Michalovce District
      • Jovsa
[Montmorillonite] Rusinová P. & Bačík P. (2013)
      • Poruba pod Vihorlatom
[Montmorillonite] Koděra (1986)
[Montmorillonite] Bačo
    • Sobrance District
[Montmorillonite] Bacsó
    • Trebišov District
[Montmorillonite] Pauliš et al. (2002)
      • Kuzmice
[Montmorillonite] Koděra (1986)
[Montmorillonite] Koděra (1986)
  • Nitra Region
    • Levice District
[Montmorillonite] Koděra (1986)
[Montmorillonite] Koděra (1986)
  • Prešov Region
    • Prešov District
      • Červenica
        • Dubník
[Montmorillonite] Koděra (1986)
      • Fintice
[Beidellite] Ďuďa
      • Gregorovce
[Montmorillonite] Duda eut al.
      • Prešov
        • Solivar
[Montmorillonite] Koděra (1986)
      • Vyšná Šebastová
[Montmorillonite] Ďuďa
      • Zlatá Baňa
[Montmorillonite] Duda et. all.
    • Snina District
      • Zemplínske Hámre
[Montmorillonite] Bačo
    • Vranov nad Topľou District
      • Banské
[Montmorillonite] Duda et all.
[Montmorillonite] Koděra (1986)
      • Juskova Voľa
[Montmorillonite] Koděra (1986)
      • Komárany
[Montmorillonite] Ďuďa
      • Nová Kelča
[Montmorillonite] Koděra (1986)
      • Vechec
[Montmorillonite] Ďuďa
[Montmorillonite] Duda et all.
  • Trenčín Region
    • Prievidza District
[Montmorillonite] Koděra (1986)
  • Žilina Region
    • Liptovský Mikuláš District
      • Dúbrava
[Montmorillonite] Pauliš
Slovenia
 
  • Podvelka
[Montmorillonite] Žorž et al. (2002)
South Africa
 
  • Eastern Cape
    • Chris Hani District Municipality
      • Enoch Mgijima Local Municipality
[Montmorillonite] Coetzee (1976)
    • Joe Gqabi District Municipality
      • Walter Sisulu Local Municipality
[Montmorillonite] Coetzee (1976)
  • Gauteng
    • City of Tshwane Metropolitan Municipality
[Montmorillonite] Glass (2006)
  • KwaZulu-Natal
    • eThekwini Metropolitan Municipality
      • Durban
        • Bellair
[Montmorillonite] Pers. comm. of company geologist to ...
        • Umhlatuzana valley
[Montmorillonite] Heron (1992)
  • Limpopo
    • Waterberg District Municipality
      • Mogalakwena Local Municipality
        • Mokopane
[Beidellite] Cairncross et al. (1995)
  • Mpumalanga
    • Nkangala District Municipality
      • Victor Khanye Local Municipality
        • Delmas
[Montmorillonite] Atanasova et al. (2016)
            • Dwarsfontein Farm
              • Transvaal Mine
[Montmorillonite] SAMS (South African Micromount Society)
  • North West
    • Bojanala Platinum District Municipality
      • Madibeng Local Municipality
[Montmorillonite] Horiuchi et al. (2014)
        • Brits
[Montmorillonite] Atanasova et al. (2016)
      • Rustenburg Local Municipality
        • Rustenburg
          • Bulhoek
[Montmorillonite] Atanasova et al. (2016)
  • Western Cape
    • Cape Winelands District Municipality
      • Witzenberg Local Municipality
        • Koue Bokkeveld Mountain
[Montmorillonite] Barber (1985)
South Korea
 
  • North Chungcheong Province
    • Danyang County
      • Tanyang-myon
[Montmorillonite] Kinosaki (1943)
[Montmorillonite] Econ Geol (1994) +1 other reference
Spain
 
  • Andalusia
    • Almería
      • Pulpí
[Montmorillonite] Mendoza et al. (2006)
  • Balearic Islands
[Montmorillonite] B. Onac et al (2009)
      • Llucmajor
[Montmorillonite] Onac et al. (2014) +1 other reference
      • Santanyí
[Montmorillonite] Onac et al. (2005)
  • Catalonia
    • Barcelona
      • Baix Llobregat
        • Gavà
          • Bruguers
[Montmorillonite] Rosell-Riba et al. (2022)
      • Vallès Occidental
        • Montcada i Reixac
[Montmorillonite] Mineralogistes de Catalunya (1997)
    • Tarragona
      • Priorat
[Montmorillonite] Joan Abella i Creus (2008)
  • Community of Madrid
    • Madrid
      • Vallecas
[Montmorillonite] Ruishi Yang and Wenguang Li (2001)
  • Extremadura
    • Cáceres
      • Cáceres
        • Sierra de la Mosca
[Montmorillonite] Weibel (1954)
Sweden
 
  • Skåne County
    • Bjuv
[Montmorillonite] Bergström et al. (1980)
    • Helsingborg
[Montmorillonite] Bergström et al. (1982)
      • Fjärestad
[Montmorillonite] Bergström et al. (1982)
[Montmorillonite] Norin (1949)
    • Klippan
[Montmorillonite]
    • Simrishamn
[Montmorillonite] Swedish Nat. Museum
[Montmorillonite] Swedish Nat. Museum
[Montmorillonite] Swedish Nat. Museum
    • Svalöv
[Montmorillonite] Swedish Nat.Musuem
[Montmorillonite]
    • Svedala
[Montmorillonite] Swedish Nat.Musuem
    • Tomelilla
      • Andrarum
[Montmorillonite] Swedish Nat.Musuem
[Montmorillonite] Swedish Nat. Museum
  • Värmland County
    • Filipstad
      • Långban Ore District
[Montmorillonite] Gatedal (n.d.) +2 other references
      • Persberg ore district
[Montmorillonite] Sandström et al. (2009)
[Montmorillonite] Östra Värmlands Mineral Society
        • Pajsberg
[Montmorillonite] Nysten (2004)
  • Västerbotten County
    • Skellefteå
[Montmorillonite] Sandström (2008)
  • Västra Götaland County
    • Karlsborg
      • Undenäs
[Montmorillonite] Sandtsröm (2002)
Switzerland
 
  • Neuchâtel
    • Le Locle
[Montmorillonite] Stalder et al. (1998)
  • St. Gallen
    • Sankt Gallen
[Montmorillonite] Stalder et al. (1998)
  • Thurgau
    • Weinfelden
[Montmorillonite] Stalder et al. (1998)
  • Ticino
    • Lugano
      • Carona
[Montmorillonite] Wagner A. (1994) +1 other reference
  • Valais
    • Conthey
      • Chamoson
[Montmorillonite] M. Delaloye (1966)
    • Goms
      • Binn
        • Fäld
[Montmorillonite]
[Montmorillonite]
      • Obergoms
        • Oberwald
[Montmorillonite] Lützenkirchen et al. (2011)
  • Vaud
    • Lausanne
      • Crissier
Stalder et al. (1998)
  • Zürich
    • Andelfingen
[Montmorillonite] Stalder et al. (1998)
    • Winterthur
      • Wiesendangen
[Montmorillonite] Stalder et al. (1998)
Taiwan
 
  • New Taipei City
    • Ruifang District
[Montmorillonite] IMAI (1999) +1 other reference
[Montmorillonite] Yui et al. (1999)
  • Taitung County
    • Changbin Township
[Montmorillonite] Singer et al. (2008)
Tanzania
 
  • Arusha region
    • Ngorongoro District
[Montmorillonite] Hay (1970)
  • Pwani Region
    • Kisarawe District
      • Pugu Hills
[Montmorillonite] Schwaighofer et al. (1987)
Turkey
 
  • Adana Province
    • Tufanbeyli District
[Beidellite] Ucar et al. (2024)
  • Ankara Province
    • Beypazari District
[Montmorillonite] Helvaci (1998)
  • Artvin Province
    • Yusufeli District
      • Balcılı Camp
[Montmorillonite] Rabayrol et al. (2023)
  • Balikesir Province
    • Biga Peninsula
[Beidellite] Çoban (1999)
    • Bigadiç District
[Montmorillonite] Helvaci +2 other references
[Montmorillonite] Gultekin et al. (2016)
  • Çanakkale Province
    • Çanakkale
[Montmorillonite] Aluç et al. (2025)
    • Lapseki District
[Montmorillonite] Yilmaz et al. (2010)
  • Erzurum Province
    • İspir District
      • Kirazlı
[Montmorillonite] Singer et al. (2008)
  • Eskişehir Province
    • Beylikova District
[Montmorillonite] Journal of Asian Earth Sciences (2003)
    • Mihaliççik District
[Montmorillonite] Echle (1967)
    • Seyitgazi District
      • Kirka
[Montmorillonite] www.mineralienatlas.de (n.d.)
  • Istanbul Province
    • Çatalca District
      • Binkiliç
[Montmorillonite] Öztürk et al. (1995)
  • Kayseri Province
    • Develi District
[Montmorillonite] Aluç et al. (2020)
  • Kütahya Province
    • Emet District
      • Emet Borate deposit
[Montmorillonite] Helvaci et al. (2000) +2 other references
  • Malatya Province
    • Kuluncak District
[Montmorillonite] Ersoy et al. (2023)
  • Manisa Province
    • Turgutlu District
[Montmorillonite] Masurenko et al. (2007) +1 other reference
  • Niğde Province
[Montmorillonite] Altay et al. (2010)
  • Rize Province
    • Çayeli District
[Montmorillonite] Akinci (2009)
  • Uşak Province
    • Eşme District
[Montmorillonite] Yahya Çiftçi et al. (2013) +1 other reference
  • Zonguldak Province
    • Karadeniz Ereğli
[Montmorillonite] USGS Prof Paper 550C ppC158-C161
Turkmenistan
 
  • Lebap Region
    • South Tien-Shan Mountains
      • Kugitangtau Ridge
[Montmorillonite] Vladimir A. Maltsev (1993) +1 other reference
UK
 
  • England
    • Bath and North East Somerset
      • Bath
[Montmorillonite] Hall (1868)
[Montmorillonite] Hall (1868)
    • Cornwall
      • Perranzabuloe
        • Perran Iron Lode (Great Perran Iron Lode)
[Montmorillonite] Collins (1878) +1 other reference
[Montmorillonite] Dines (1956)
      • St Just
        • Pendeen
[Montmorillonite] De Bondt (n.d.)
      • St Keverne
[Montmorillonite] Golley et al. (1995)
[Beidellite] Ford et al. (1993)
    • Devon
      • West Devon
        • Okehampton Hamlets
[Montmorillonite] McLintock (1923)
[Montmorillonite] Day (1999) +1 other reference
    • Isle of Wight
[Montmorillonite] Hall (1868)
    • Kent
      • Maidstone
[Montmorillonite] Hall (1868)
[Montmorillonite] Hall (1868)
    • Surrey
      • Tandridge
[Montmorillonite]
  • Scotland
    • Highland
      • Wester Ross, Strathpeffer and Lochalsh
[Montmorillonite] Am Min 61:3-4 pp 299-302
Ukraine
 
  • Crimea
[Beidellite] Golubovskaya (2001)
      • Kerchenskyi iron ore basin
        • Kerchenskoe deposit
[Montmorillonite] Arbuzov V.A. et al. (1967)
    • Simferopol area
      • Ukrainka Village area (Kurtsy)
[Montmorillonite] Dvoichenko P.A. The minerals of Crimea (1914)
  • Odessa Oblast
    • Podilsk Raion
[Montmorillonite] Bobrov et al. (2006, August)
  • Sevastopol
    • Balaklava district
[Montmorillonite] Popov et al. (1938)
  • Volyn Oblast
[Beidellite] Emetz et al. (2005)
  • Zakarpattia Oblast
    • Khust Raion
[Beidellite] Mineralogical Society of America - ...
  • Zhytomyr Oblast
    • Korosten Raion
[Montmorillonite] Liventseva (n.d.)
    • Zhytomyr Raion
[Montmorillonite] Bailey (1980) +1 other reference
USA
 
  • Alabama
    • Baldwin County
[Montmorillonite] - (2005)
    • Barbour County
[Montmorillonite] Cook et al. (1982)
    • Bibb County
[Montmorillonite] Cook et al. (1982)
    • Choctaw County
[Montmorillonite] Cook et al. (1982)
    • Clarke County
[Montmorillonite] Dean (1995)
[Montmorillonite] Cook et al. (1982)
[Montmorillonite] Ransom (1974)
      • Willis Valley (Wills Valley)
[Beidellite] Cook et al. (1982)
    • Lowndes County
[Montmorillonite] Cook et al. (1982)
[Montmorillonite] Cook et al. (1982)
    • Marengo County
[Montmorillonite] Cook et al. (1982)
[Montmorillonite] Cook et al. (1982)
    • Mobile County
[Montmorillonite] Cook et al. (1982)
[Montmorillonite] Cook et al. (1982)
    • Sumter County
[Montmorillonite] Dean (1995)
    • Tuscaloosa County
[Montmorillonite] Cook et al. (1982)
    • Wilcox County
[Montmorillonite] Cook et al. (1982)
  • Alaska
    • Aleutians East Borough
      • Unalaska Island
[Montmorillonite] ...
    • Hoonah-Angoon Census Area
[Montmorillonite] - (2008)
    • Kenai Peninsula Borough
      • Redoubt Mining District
[Montmorillonite] Econ Geol (1987)
    • Matanuska-Susitna Borough
      • Nelchina Mining District
[Montmorillonite] - (2008)
    • North Slope Borough
[Montmorillonite] Nokleberg et al. (1982)
    • Yukon-Koyukuk Census Area
      • Kaiyuh Mining District
[Montmorillonite] - (2008)
  • Arizona
    • Apache County
      • Cane Valley Mining District
        • Yazzie Mesa
          • Monument No. 2 channel
[Montmorillonite] Witkind (1963) +1 other reference
      • Sanders-Defiance Plateau area (Sanders-Cheto District)
[Montmorillonite] Kiersch (1955b) +1 other reference
[Montmorillonite] Kiersch (1955b) +1 other reference
[Montmorillonite] Kiersch (1955b) +1 other reference
        • Ganado
[Montmorillonite] Kiersch (1955b) +1 other reference
    • Cochise County
[Montmorillonite] Galbraith (1959)
      • Cochise Mining District
        • Gunnison Copper Project
          • Johnson Camp
[Montmorillonite] Singer et al. (2005)
[Montmorillonite] Galbraith (1959)
      • Sulphur Springs Valley
        • Pearce Hills
          • Pearce Mining District
            • Pearce
[Montmorillonite] Howell (1977)
      • Willcox
[Montmorillonite] Pipkin (1967) +1 other reference
    • Coconino County
      • Cameron Mining District
[Beidellite] www.mindat.org (n.d.) +3 other references
[Montmorillonite] - (2005)
          • Huskon Mines (Huskon group)
[Montmorillonite] Hinkley (1955) +1 other reference
[Montmorillonite] Bollin & Kerr (1958) +1 other reference
[Montmorillonite] Hinkley (1955) +1 other reference
[Montmorillonite] 118 +3 other references
[Montmorillonite] Bollin & Kerr (1958) +1 other reference
[Montmorillonite] 118 +3 other references
      • Vermillion Cliffs Mining District
        • Marble Canyon
[Beidellite] Anthony et al. (1995)
      • Willow Springs
        • Black Peak
[Montmorillonite] Anthony et al. (1995)
    • Gila County
      • Banner Mining District
[Montmorillonite] Singer et al. (2005)
[Montmorillonite] University of Utah geology department ...
        • Hayden area
          • Chilito
[Montmorillonite] Yedlin (1972)
      • Globe-Miami Mining District
        • Miami-Inspiration Mining District
          • Miami
            • Sleeping Beauty Peak
              • Copper Cities Mine area
[Montmorillonite] Peterson (1962) +1 other reference
      • Miami-Inspiration Mining District
        • Inspiration
          • Castle Dome area (Castle Dome Mine area; Pinto Valley Mine area)
[Beidellite] Peterson et al. (1946) +3 other references
    • Graham County
      • Aravaipa Mining District
        • Klondyke
          • Grand Reef Mountain
            • Laurel Canyon
[Montmorillonite] Besse (1981)
    • Greenlee County
[Beidellite] Schwartz (1947) +2 other references
      • Morenci
[Montmorillonite] Singer et al. (2005)
    • La Paz County
      • Plomosa Mountains
        • Plomosa Mining District
          • Bouse
[Montmorillonite] Galbraith (1959)
    • Maricopa County
[Montmorillonite] Galbraith (1959)
[Montmorillonite] Anthony et al. (1995)
      • Wickenburg
[Montmorillonite] Galbraith (1959) +1 other reference
    • Mohave County
      • Big Sandy Valley area
[Montmorillonite] Anthony et al. (1995)
      • Cerbat Mountains
        • Kingman Mining District
          • Kingman
[Montmorillonite] Anthony et al. (1995)
    • Navajo County
      • Hopi Buttes Mining District
        • Dilkon
[Montmorillonite] Lowell (1956) +1 other reference
      • Mineral Mining District
        • Mystery Valley
          • Monument No. 1 channel (Channel No. 36)
[Montmorillonite] Witkind (1963)
    • Pima County
      • Ajo Mining District
        • Little Ajo Mountains
          • Ajo
[Beidellite] Gilluly (1937) +3 other references
[Beidellite] Gilluly (1946)
      • Sierrita Mountains
        • Pima Mining District
[Montmorillonite] Singer et al. (2008)
          • Twin Buttes
[Montmorillonite] Galbraith (1947)
      • Silver Bell Mountains
        • Silver Bell Mining District
[Montmorillonite] Kerr (1951) +1 other reference
      • Tucson Mountains
        • Amole Mining District
[Montmorillonite] Bain et al. (2022)
    • Pinal County
      • Florence Mining District (Blackwater Mining District; Black Rock Mining District)
        • Florence
[Montmorillonite] Singer et al. (2005)
[Montmorillonite] Anthony et al. (1995)
      • San Manuel Mine
[Beidellite] Schwartz (1947) +1 other reference
      • Scott Mountain
[Montmorillonite] Jones et al. (1983)
      • Superior area
        • adjacent to State Route 177
[Montmorillonite] Anthony et al. (1995)
      • Tortilla Mountains
        • Cottonwood Mining District
          • Crozier Peak area
[Montmorillonite] MRDS databaase Dep. ID #10037118 +1 other reference
    • Yavapai County
      • Bradshaw Mountains (Bradshaw Range)
        • Turkey Creek Mining District
          • Pine Flat
[Montmorillonite] Singer et al. (2005)
[Montmorillonite] Anthony et al. (1995)
      • Eureka Mining District
        • Bagdad
[Montmorillonite] Singer et al. (2008)
      • Thompson Valley
        • Hillside
[Montmorillonite] Norton (1965) +1 other reference
    • Yuma County
      • Castle Dome Mountains
        • Castle Dome Mining District
[Montmorillonite] Wilson (1933)
      • Wellton Hills-Copper Mountains
        • La Posa Mining District (Wellton Mining District; Wellton Hills Mining District)
[Montmorillonite] Galbraith (1959)
  • Arkansas
[Montmorillonite] Howard (1987) +1 other reference
[Montmorillonite] Howard (2007)
    • Garland County
[Montmorillonite] Howard et al. (1995) +1 other reference
[Montmorillonite] Howard (1987) +1 other reference
[Montmorillonite] Howard (2007)
[Beidellite] Shockley (1976)
[Montmorillonite] V.C. Fryklund and D.F. Holbrook (1950) +2 other references
[Beidellite] Howard (1987) +1 other reference
[Beidellite] Howard (2007)
[Beidellite] Howard (1987) +1 other reference
      • Jeffrey
[Beidellite] Dietel et al. (2015)
    • Saline County
[Montmorillonite] Arkansas Geological Commission
[Beidellite] Howard (1987) +1 other reference
  • California
    • Fresno County
      • Avenal
        • Kettleman Hills
[Montmorillonite] - (2005)
      • Big Creek-Rush Creek Mining District
        • Big Creek
[Montmorillonite] Walstrom (n.d.)
    • Imperial County
      • Boulder Park
[Montmorillonite] - (2005)
      • Ocotillo
[Montmorillonite] - (2005)
    • Inyo County
[Montmorillonite] Melhase (1926) +2 other references
      • Darwin Hills
[Montmorillonite] Stolburg (1984)
          • Darwin
            • Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine)
[Montmorillonite] Hall (1963) +2 other references
      • Deep Springs Valley
        • Deep Springs Lake (Deep Springs Playa)
[Montmorillonite] Gueven et al. (1966) +2 other references
      • Furnace Creek Mining District (Furnace Creek Borate Mining District)
        • Ryan
[Montmorillonite] Anthony et al. (2003)
        • Twenty Mule Team Canyon
[Montmorillonite] Erd et al. (1979)
      • Lake Tecopa Basin
[Montmorillonite] - (2005)
      • Panamint Range (Panamint Mountains)
        • Panamint Mining District (Ballarat Mining District)
          • Ballarat
[Montmorillonite] - (2005)
    • Kern County
      • Bissell
[Montmorillonite] Bradley (1941) +1 other reference
[Beidellite] Mineralogical Society of America - ...
[Montmorillonite] Morgan et al. (1969) +2 other references
          • West Baker
[Montmorillonite] Am Min 49:543-555
      • El Paso Mountains District
        • Goler Heights
[Montmorillonite] - (2005)
        • Ricardo
[Montmorillonite] - (2005)
      • Fremont Valley
        • Gypsite
[Montmorillonite] - (2005)
      • Halfway House
[Montmorillonite] - (2005)
      • Loraine Mining District
        • Sugarloaf Mountain
[Montmorillonite] Kerr (1936) +4 other references
      • Maricopa
[Montmorillonite] Ross et al. (1945) +2 other references
      • Tehachapi Mountains
        • Tehachapi
          • Tehachapi Pass
            • Southeast of Tehachapi Pass
[Montmorillonite] Kerr (1936) +1 other reference
      • Temblor Range
        • Reward
[Montmorillonite] - (2005)
        • Spellacy
[Montmorillonite] - (2005)
    • Kings County
      • Kettleman Hills
        • LaCeja Ridge
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Reef Station
[Montmorillonite] - (2005)
    • Lake County
      • Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District)
        • Clear Lake Oaks
[Montmorillonite] White (1962) +2 other references
    • Lassen County
      • Amedee Hot Springs (Amedee Springs)
[Montmorillonite] White (1967) +2 other references
      • Hallelujah Junction
[Montmorillonite] Nevada Bureau of Mines and Geology NBMG ...
      • Hayden Hill Mining District
        • Hayden Hill [town]
          • Hayden Hill [summit]
[Montmorillonite] - (2005)
    • Los Angeles County
      • Castaic Junction
[Montmorillonite] Merrill (1919) +1 other reference
      • Claremont
[Montmorillonite] Laudermilk (1934) +4 other references
      • Lake Hughes
        • Elizabeth Lake Canyon
[Beidellite] Beverly (1934) +2 other references
      • Sierra Pelona Mts (Sierra Pelona Range)
        • Castaic
          • Elizabeth Lake Canyon
            • Upper Elizabeth Lake Canyon
[Beidellite] Beverly (1934) +1 other reference
    • Napa County
      • Knoxville Mining District
        • Knoxville
[Montmorillonite] Sherlock (1996)
    • Riverside County
      • Cahuilla Mining District
        • Red Mountain
[Montmorillonite] San Diego Mining Company (1998)
      • Jurupa Valley
        • Crestmore
          • Crestmore quarries
            • Chino Hill
[Montmorillonite] Cal Div of Mines & Geo Bulletin 189 " ...
[Montmorillonite] Woodford et al. (1941)
            • Sky Blue Hill
[Montmorillonite] Woodford et al. (1941)
    • San Benito County
      • Goat Mountain
[Montmorillonite] Erd et al. (1993)
      • San Benito Peak (San Benito Mountain)
[Beidellite] www.mineralsocal.org (1999)
      • Santa Rita Peak
[Beidellite] Pemberton (1983) +1 other reference
[Montmorillonite] www.benitoitemine.com
    • San Bernardino County
      • Afton
        • Afton Canyon
[Montmorillonite] King (n.d.)
      • Apple Valley
[Montmorillonite] - (2005)
      • Calico Mts (Calico Hills)
        • Calico District (Daggett District; Calico-Daggett area)
          • Daggett
[Montmorillonite] Melhase (1926) +2 other references
      • Cronise
[Montmorillonite] - (2005) +1 other reference
      • East Kramer Mining District
        • East Kramer Borate area (East Kramer Colemanite area)
          • Kramer Junction (Beecher's Corners; Beechers Corners; Four Corners)
[Montmorillonite] Benda (1960) +4 other references
[Montmorillonite] MarekC (2018)
      • Hector
[Montmorillonite] - (2005)
[Montmorillonite] Ames et al. (1958) +1 other reference
      • Silver Lake Mining District
        • Silver Lake
[Montmorillonite] - (2005)
        • Soda Mountains
          • Zzyzx
[Montmorillonite] - (2005)
      • Summit Range
        • Teagle [Kern County]
[Montmorillonite] Wright et al. (1953) +2 other references
    • San Diego County
      • Jacumba
        • Tule Mountain (Mount Tule; Tulley Mountain)
[Montmorillonite] Todd
[Montmorillonite] Todd
      • Mesa Grande Mining District
        • Gem Hill
[Beidellite] Foord et al. (1986)
      • Otay
[Montmorillonite] Irelan et al. (1890a) +3 other references
      • Pala Mining District
        • Pala
          • Chief Mountain
[Montmorillonite] Jeffrey E. Patterson analysis
[Montmorillonite] Overview of work including adit ... +2 other references
            • Pala Chief Mine
[Montmorillonite] Hapeman (2011)
          • Hiriart Mountain
[Montmorillonite] Foord et al. (1986)
          • Tourmaline Queen Mountain (Pala Mtn; Queen Mtn)
[Montmorillonite] www.gemandmineral.com/stewartmine.html.
[Montmorillonite] Sheppard (2008) +1 other reference
[Montmorillonite] Sheppard (2008) +1 other reference
[Montmorillonite] San Diego Mining Company (1998)
[Montmorillonite] San Diego Mining Company
      • Ramona Mining District
        • Ramona
[Montmorillonite] Kunz (1905)
[Montmorillonite] Foord et al. (1989)
          • Little Three Mine area
[Montmorillonite] Foord et al. (1989)
[Montmorillonite] San Diego Mining Company
      • Warner Springs Mining District
        • Chihuahua Valley
[Montmorillonite] Ritchie
    • San Luis Obispo County
      • Santa Lucia Mts (Santa Lucia Range)
        • Cambria-Oceanic Mining District
          • Cambria
[Montmorillonite] Ernst (1975)
    • San Mateo County
      • Atherton
[Montmorillonite] Pampeyan (2010)
      • Menlo Park
        • Sharon Heights
[Montmorillonite] Pampeyan (2010)
[Montmorillonite] Pampeyan (2010)
[Montmorillonite] Pampeyan (2010)
[Montmorillonite] Pampeyan (2010)
[Montmorillonite] Pampeyan (2010)
    • Shasta County
      • Lassen Volcanic National Park
[Montmorillonite] Robert G. Lee et al. (2005)
    • Sierra County
[Beidellite] Ferguson (1932) +2 other references
    • Solano County
      • Vacaville
[Montmorillonite] Laizure (1927) +1 other reference
    • Trinity County
      • Klamath Mountains
        • Trinity Mountains
          • Halls Gulch Mining District
            • Wildcat Peak
[Montmorillonite] Sheppard et al. (1969) +3 other references
    • Ventura County
[Montmorillonite] Root (1925) +1 other reference
      • Los Sauces Creek
[Montmorillonite] Kerr (1931) +2 other references
[Montmorillonite] Kerr (1931) +3 other references
[Montmorillonite] Kerr (1931) +1 other reference
[Montmorillonite] Dickinson +1 other reference
  • Colorado
    • Boulder County
[Beidellite] Eckel et al. (1997)
[Beidellite] Lovering et al. (1950)
[Beidellite] Eckel et al. (1997)
      • Jamestown Mining District
[Montmorillonite] Eckel et al. (1997)
    • Chaffee County
      • Browns Canyon Mining District
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
        • Poncha Springs
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Conejos County
[Montmorillonite] Eckel et al. (1997)
      • Manassa
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
    • Custer County
      • Silver Cliff Mining District
[Montmorillonite] Eckel et al. (1997)
    • Douglas County
[Montmorillonite] Eckel et al. (1997)
    • El Paso County
      • Pikes Peak
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
    • Fremont County
      • Soda Springs Park Area
        • Beaver Creek Area
[Montmorillonite] - (2005)
    • Garfield County
      • East Rifle Creek area
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
    • Gilpin County
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] USGS Bull 1027E +1 other reference
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
    • Gunnison County
[Montmorillonite] Eckel et al. (1997)
    • Jackson County
[Montmorillonite] USGS Bull 1082F
[Montmorillonite] USGS Bull 1082F
    • Jefferson County
[Montmorillonite] Eckel et al. (1997)
      • Golden Mining District
        • Golden
[Montmorillonite] Eckel et al. (1997)
      • Morrison Area
[Montmorillonite] Eckel et al. (1997)
    • Lake County
      • Climax Mining District
        • Climax
[Montmorillonite] Eckel et al. (1997)
    • Larimer County
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Mineral County
[Beidellite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Kucera (2021)
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
      • Wagon Wheel Gap
[Beidellite] Eckel et al. (1997)
    • Moffat County
      • Maybell Mining District
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
    • Montrose County
      • Paradox Valley
[Montmorillonite] USGS Prof Paper 320
[Beidellite] Eckel et al. (1997)
    • Ouray County
      • Sneffels Mining District
        • Governor Basin
[Beidellite] Eckel et al. (1997)
[Beidellite] Holmes et al. (1983)
    • Park County
[Montmorillonite] Eckel et al. (1997)
    • Pitkin County
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
    • Rio Blanco County
[Montmorillonite] Eckel et al. (1997)
    • Routt County
[Montmorillonite] Eckel et al. (1997)
    • Saguache County
      • Bonanza Mining District (Kerber Creek Mining District; Blake Mining District)
[Beidellite] - (2005)
[Montmorillonite] Eckel et al. (1997)
      • Crystal Hill Mining District
[Beidellite] Eckel et al. (1997)
[Beidellite] - (2005)
[Beidellite] - (2005)
[Montmorillonite] Rocks & Minerals (July-August, 2002)
    • San Juan County
[Montmorillonite] USGS Prof. Paper 750C +1 other reference
[Montmorillonite] Eckel et al. (1997)
    • Teller County
[Montmorillonite] Carnein et al. (2005)
[Montmorillonite] Econ Geol (1985)
[Montmorillonite] Econ Geol (1985)
      • Pikes Peak batholith
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Eckel et al. (1997)
[Montmorillonite] Keller (1962) +2 other references
  • Connecticut
    • Fairfield County
      • Redding
        • Branchville
[Montmorillonite] Januzzi et al. (1976)
    • Litchfield County
      • Kent
[Montmorillonite] Shepard (1837)
      • Thomaston
        • Thomaston Dam
[Montmorillonite] Schooner (1961)
    • Middlesex County
      • Haddam
        • Haddam Neck
[Montmorillonite] Schooner (1958)
      • Portland
[Montmorillonite] Rocks & Min.: 16: 164-167.
        • Collins Hill
          • Strickland pegmatite
[Montmorillonite] USGS Professional Paper 255: 333-338. +2 other references
[Montmorillonite] Zodac (1941) +2 other references
[Montmorillonite] Rocks & Minerals (1970)
  • Florida
    • Citrus County
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] Zeitner (1968)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Quincy
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Hamilton County
      • Hard-Rock Phosphate Mining District
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Levy County
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] minerals.er.usgs.gov (n.d.)
[Montmorillonite] - (2005)
    • Polk County
[Montmorillonite] Marc V. Hurst (2012)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
  • Georgia
    • Bibb County
[Montmorillonite] - (2005)
    • Camden County
[Montmorillonite] Econ Geol (1991)
    • Chatham County
[Montmorillonite] - (2005)
    • Decatur County
[Montmorillonite] - (2005)
    • Echols County
      • Statenville
[Montmorillonite] - (2005)
    • Thomas County
      • Meigs
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] Schlanger (1964)
    • Hågat
      • Lamlan Ridge
[Montmorillonite] Hathaway et al. (1965)
  • Hawaii
    • Honolulu County
      • Oahu Island
        • Koolau Range (Koolau caldera)
          • Kailua
[Montmorillonite] Fujishima et al. (1977)
  • Idaho
    • Blaine County
      • Lava Creek Mining District
[Beidellite] Ream (2004)
    • Caribou County
      • SE Idaho Phosphate Mining District
[Montmorillonite] Gulbrandsen (1974)
    • Custer County
      • Bay Horse Mining District
        • Challis
[Montmorillonite] USGS OFR 2000 - OF-00-239
    • Idaho County
      • Riggins
[Montmorillonite] Tschernich et al. (1982) +1 other reference
    • Lemhi County
      • McDevitt Mining District
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] Ream (1995)
    • Owyhee County
      • De Lamar Mining District
[Beidellite] Chipera et al. (1997)
      • Flint Mining District
[Beidellite] - (2005)
      • Silver City Mining District (Carson Mining District)
[Beidellite] Mineralogical Society of America - ...
[Beidellite] Collins (2012)
        • War Eagle Mine (South Chariot; Orofino; Golden Chariot; Mahogany; Sinker; Ida Elmore)
[Beidellite] Collins (2012)
    • Valley County
      • Thunder Mountain Mining District
[Montmorillonite] - (2005)
    • Washington County
      • Weiser Mining District
[Beidellite] - (1956)
  • Illinois
    • Pulaski County
[Montmorillonite] Andrew R. Thomas and Haydn H.Murray (1989)
  • Indiana
    • Martin County
      • Shoals
[Montmorillonite] www.indiana.edu
  • Kansas
    • Gove County
[Montmorillonite] Hattin et al. (Upper Cretaceous)
  • Kentucky
[Montmorillonite] Olive et al. (1969)
[Montmorillonite] Olive et al. (1969)
[Montmorillonite] Olive et al. (1969)
[Montmorillonite] Olive et al. (1969)
[Montmorillonite] Olive et al. (1969)
[Montmorillonite] Olive et al. (1969)
[Montmorillonite] Olive et al. (1969)
  • Maine
    • Androscoggin County
      • Auburn
        • East Mount Apatite Mining District
[Montmorillonite]
[Montmorillonite]
        • West Mount Apatite Mining District
[Montmorillonite]
[Montmorillonite]
[Montmorillonite] Wilson (1977) +1 other reference
      • Poland
[Montmorillonite] King (n.d.)
    • Franklin County
      • D Township
[Montmorillonite] W. B. Thompson et al. (2005)
    • Oxford County
      • Buckfield
[Beidellite] King et al. (1994) +1 other reference
[Montmorillonite] King et al. (1994)
      • Greenwood
[Montmorillonite] Maine Pegmatite Workshop 2004
[Montmorillonite] Cameron +1 other reference
[Montmorillonite] Mineral News (1993) +1 other reference
        • Uncle Tom Mountain
[Montmorillonite]
[Montmorillonite] Thompson et al. (1998)
      • Newry
[Montmorillonite] King et al. (1994) +1 other reference
[Montmorillonite] King (n.d.)
[Montmorillonite] King et al. (1994) +1 other reference
[Montmorillonite] King et al. (6)
      • Norway
[Montmorillonite]
      • Paris
[Montmorillonite]
[Montmorillonite] King et al. (1994) +1 other reference
[Montmorillonite] www.mindat.org (n.d.) +7 other references
      • Peru
[Montmorillonite] Dionne et al. (2014)
      • Rumford
[Montmorillonite]
      • Stoneham
[Montmorillonite] W. B. Thompson et al. (2005)
[Montmorillonite] Bastin (1911)
    • Sagadahoc County
      • Georgetown
[Montmorillonite]
  • Maryland
    • Cecil County
      • Pilot
[Beidellite] Ostrander et al. (1940)
  • Massachusetts
    • Hampden County
      • Blandford
[Montmorillonite] "Western Massachusetts Mineral ...
    • Hampshire County
      • Easthampton
[Montmorillonite] Emerson (1895)
      • Goshen
[Montmorillonite] "Western Massachusetts Mineral ...
    • Middlesex County
      • Ashland
[Montmorillonite] Gleba (2008)
    • Suffolk County
      • Revere
[Montmorillonite] Harvard Mineralogical Museum
  • Michigan
[Montmorillonite] Heinrich et al. (2004)
[Montmorillonite] Heinrich et al. (2004)
[Montmorillonite] Heinrich et al. (2004)
    • Delta County
[Montmorillonite] Heinrich et al. (2004)
      • Escanaba River
[Montmorillonite] Heinrich et al. (2004)
    • Emmet County
[Montmorillonite] Heinrich et al. (2004)
[Montmorillonite] Heinrich et al. (2004)
      • Gogebic iron range
        • Bessemer
[Montmorillonite] Morris (1983)
      • Wakefield
[Montmorillonite] Heinrich et al. (2004)
[Montmorillonite] Heinrich et al. (2004)
[Montmorillonite] Heinrich et al. (2004)
[Montmorillonite] Heinrich et al. (2004)
      • Negaunee
[Montmorillonite] Heinrich et al. (2004)
      • Richmond Township
        • Palmer
[Montmorillonite] Heinrich et al. (2004)
[Montmorillonite] Heinrich et al. (2004)
      • White Pine
[Montmorillonite] Heinrich (1976)
[Montmorillonite] Heinrich et al. (2004)
    • Wexford County
      • Harrietta
[Montmorillonite] Heinrich et al. (2004)
  • Minnesota
    • Brown County
[Montmorillonite] - (2005)
    • Redwood County
[Montmorillonite] - (2005)
  • Mississippi
    • Benton County
[Montmorillonite] - (2005)
    • Clay County
[Montmorillonite] - (2005)
    • Hinds County
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Jones County
[Montmorillonite] - (2005)
    • Kemper County
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Monroe County
[Montmorillonite] - (2005)
    • Smith County
[Montmorillonite] Yale Peabody Museum
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Tippah County
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Ripley
[Montmorillonite] minerals.usgs.gov (n.d.)
    • Winston County
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
  • Montana
    • Flathead County
      • Hog Heaven Mining District (Flathead Mining District)
[Beidellite] - (2005)
[Beidellite] - (2005)
    • Granite County
      • Bearmouth
[Montmorillonite] - (2005)
      • Bradman
[Montmorillonite] - (2005)
      • Drummond
[Montmorillonite] - (2005)
      • East Fork Reservoir Dam
[Montmorillonite] - (2005)
    • Jefferson County
      • Colorado Mining District (Prickly Pear Mining District; Corbin Mining District)
[Montmorillonite] Econ Geol (1985)
      • Whitehall Mining District (Cardwell Mining District)
[Montmorillonite] Gnanou (2018)
[Beidellite] Gnanou (2018)
        • Golden Sunlight Mine
[Beidellite] Gnanou (2018)
    • Lewis and Clark County
      • Greenhorn Mining District (Austin Mining District)
[Montmorillonite] ...
      • Seven-Up Pete Mining District
[Montmorillonite] Szarkowski (2019)
    • Mineral County
      • De Borgia
[Montmorillonite] American Mineralogist 47:59-66
    • Powell County
      • Blossburg Area
        • Blossburg
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Garrison Area
        • Garrison
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Pioneer Mining District (Gold Creek Mining District)
[Montmorillonite] - (2005)
    • Silver Bow County
[Montmorillonite] Guilbert and Zeihen +1 other reference
[Montmorillonite] Anaconda Mining Company Collection
      • Miles Crossing
[Montmorillonite] - (2005)
  • Nevada
    • Churchill County
      • Bell Mountain Mining District
[Montmorillonite] - (2005)
      • Desert Mining District
[Montmorillonite] Castor et al. (2004)
      • Dixie Valley Mining District
[Montmorillonite] Econ Geol (1994)
      • Fairview Mining District
[Montmorillonite] - (2005)
      • Lahontan
[Montmorillonite] Castor et al. (2004)
    • Clark County
[Montmorillonite] Castor et al. (2004)
      • Moapa Mining District
[Montmorillonite] Castor et al. (2004)
      • Muddy Mountains
        • Muddy Mountains Mining District
[Montmorillonite] Castor et al. (2004) +1 other reference
[Montmorillonite] Stephen B. Castor (1990)
[Montmorillonite] Castor et al. (2004)
    • Douglas County
      • Buckskin Range
        • Buckskin Mining District (Smith Valley Mining District)
[Montmorillonite] Gibson (1987)
    • Elko County
      • Delano Mining District
[Montmorillonite] - (2005) +1 other reference
      • Gold Circle Mining District (Midas Mining District)
[Montmorillonite] Leavitt et al. (2004)
[Montmorillonite] Leavitt et al. (2004)
      • Huntington Creek Mining District
[Montmorillonite] USGS Open-File Report 76-56 +1 other reference
      • Independence Mountains Mining District
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] USGS Open-File Report 76-56 +1 other reference
[Montmorillonite] - (2005)
[Montmorillonite] USGS Bull 1162B
      • Swales Mountain Mining District
[Montmorillonite] - (2005)
    • Esmeralda County
      • Black Horse Mining District
[Montmorillonite] - (2005)
      • Coaldale Mining District
[Montmorillonite] NBMG Bull 78 Geology and Mineral ... +1 other reference
      • Divide Mining District
[Montmorillonite] - (2005)
[Montmorillonite] Econ Geol (1989)
[Montmorillonite] Econ Geol (1989)
[Montmorillonite] Econ Geol (1989)
      • Rock Hill Mining District
[Montmorillonite] - (2005)
      • Sylvania Mining District
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Tule Canyon Mining District
[Montmorillonite] - (2005)
    • Eureka County
      • Beowawe Mining District
[Montmorillonite] Cole et al. (1984)
      • Buckhorn Mining District
[Montmorillonite] - (2005)
      • Carlin Trend
        • Maggie Creek Mining Subdistrict
[Montmorillonite] Jensen et al. (1995)
[Montmorillonite] J.B. Harlan et al. (2002)
      • Lynn Mining District
[Montmorillonite] NBMG Bull 64 Geology and Mineral ... +1 other reference
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Maggie Creek Mining District
[Montmorillonite] - (2005)
        • Mike deposit
[Montmorillonite] John W. Norby and Michael J.T. Orobona (2002)
        • Schroeder Mt
[Montmorillonite] Castor et al. (2004)
      • Modarelli-Frenchie Creek Mining District
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] Castor et al. (2004)
    • Humboldt County
      • Awakening Mining District
[Montmorillonite] Jackson et al. (2007)
      • Bottle Creek Mining District
[Montmorillonite] Nevada Bureau of Mines and Geology NBMG ... +1 other reference
[Montmorillonite] - (2005)
      • Montana Mountains
        • Disaster Mining District
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Opalite Mining District
[Montmorillonite] Castor et al. (2004)
      • Sulphur Mining District
        • Sulphur
[Montmorillonite] Ebert et al. (1997)
      • Ten Mile Mining District
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] USGS Bull 1538D
    • Lander County
      • Battle Mountain Mining District
[Montmorillonite] - (2005)
[Montmorillonite] Singer et al. (2005)
      • Cortez Mining District
[Montmorillonite] Clark (2012)
      • Iowa Canyon Mining District
[Montmorillonite] Castor et al. (2004)
      • McCoy Mining District
[Montmorillonite] U. S. Geological Survey Open-File ...
    • Lincoln County
      • Bristol and Jackrabbit Mining Districts
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] Castor et al. (2004)
      • Pahranagat Mining District
[Montmorillonite] - (2005)
      • Vigo Mining District
[Montmorillonite] - (2005)
      • Viola Mining District
[Montmorillonite] - (2005)
    • Lyon County
[Montmorillonite] - (2005)
[Montmorillonite] Vikre et al. (1994)
[Montmorillonite] Ken Coleman Collection
      • Desert Mountains Mining District
[Montmorillonite] NBMG Bull 73 Geology and Mineral ... +1 other reference
[Montmorillonite] Ken Coleman Collection
      • Talapoosa Mining District
[Montmorillonite] - (2005)
      • Washington Mining District
[Montmorillonite] - (2005)
    • Mineral County
      • Borealis Mining District
[Montmorillonite] - (2005)
      • Broken Hills Mining District
[Montmorillonite] Castor et al. (2004)
      • Fitting Mining District
[Montmorillonite] - (2005)
        • Gillis Range
[Beidellite] Foord et al. (1999)
[Montmorillonite] Castor et al. (2004)
      • Gabbs Valley Range
        • Santa Fe District
[Montmorillonite] - (2005)
      • Pilot Mountains
        • Pilot Mountains District
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] Castor et al. (2004)
      • Silver Star Mining District
[Montmorillonite] - (2005)
[Montmorillonite] Castor et al. (2004)
      • Sulphide Mining District
[Montmorillonite] - (2005)
    • Nye County
      • Amargosa Desert
[Montmorillonite] NBMG Bull 77 Geology and Mineral ...
          • Ash Meadows
[Montmorillonite] Norman (1951) +2 other references
[Montmorillonite] - (2005)
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] - (2005)
      • Bare Mountain
        • Bare Mountain Mining District (Fluorine Mining District)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
          • Sterling Mine (Ambrose pit; Panama Mine; 144 Zone; Mary-Goldspar claim block [to the north [2004]]; Ambrose open pit; NBMG sample sites 1013 & 1014)
[Montmorillonite] Fischer et al. (2020)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Bruner Mining District
        • Phonolite
[Montmorillonite] Baldwin (2014)
      • Bullfrog Hills
        • Bullfrog Mining District
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] - (2005)
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] Castor et al. (2004) +1 other reference
      • Clarkdale Mining District
[Montmorillonite] Castor et al. (2004) +1 other reference
[Montmorillonite] Castor et al. (2004) +1 other reference
      • Paradise Peak Mining District
        • Paradise Peak [summit]
          • Paradise Peak [town]
            • Paradise Peak Mine (Goose Mine; Granny Goose; Paradise; FMC deposit; NBMG Sample Sites 1472 - 1473; Goose claims; Gabbs Mine; Nody prospect; Finger Rock prospect; County Line; Ketchup Flat; Paradise Peak project; Sullivan/Paradise Peak)
[Montmorillonite] John et al. (1989)
      • Quinn Canyon Range
        • Willow Creek Mining District
[Montmorillonite] - (2005)
      • Toquima Range
        • Round Mountain Mining District
[Montmorillonite] - (2005)
      • Union Mining District
        • Berlin
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] Nevada Bureau of Mines and Geology NBMG ... +1 other reference
    • Pershing County
      • Antelope Mining District
[Montmorillonite] Jensen (1993)
[Montmorillonite] - (2005)
      • Muttlebury Mining District
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
      • Rabbit Hole Mining District
[Montmorillonite] Castor et al. (2004) +1 other reference
      • Willard Mining District
[Montmorillonite] Johnson (1977) +1 other reference
[Montmorillonite] Johnson (1977) +1 other reference
[Montmorillonite] Johnson (1977) +1 other reference
[Montmorillonite] Johnson (1977) +1 other reference
[Montmorillonite] Johnson (1977) +1 other reference
[Montmorillonite] Ken Coleman Collection
    • Storey County
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] Ken Coleman Collection
    • Washoe County
[Montmorillonite] Nevada Bureau of Mines and Geology NBMG ... +1 other reference
      • Fort Sage Mountains
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] Castor et al. (2004)
      • Lake Range Mining District
[Montmorillonite] Castor et al. (2004)
      • Pyramid Mining District
[Montmorillonite] NBMG Bull 70 Geology and Mineral ... +3 other references
      • San Emidio Mining District
[Montmorillonite] Castor et al. (2004)
      • Sheephead Mining District
[Montmorillonite] - (2005)
    • White Pine County
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] Castor et al. (2004)
[Montmorillonite] Singer et al. (2005)
  • New Hampshire
    • Cheshire County
      • Alstead
[Montmorillonite] Rocks & Min.: 15: 124.
[Montmorillonite] Peter Cristofono collection +1 other reference
      • Marlow
[Montmorillonite] Smith (2005)
    • Grafton County
      • Grafton
[Montmorillonite] Rocks & Min.: 14:252.
[Montmorillonite] Morrill +1 other reference
      • Groton
[Montmorillonite] Eric Quinter collection
    • Rockingham County
      • Newington
        • Great Bay National Wildlife Refuge
[Montmorillonite] Nora K. Foley et al. (2006)
      • Raymond
[Montmorillonite] Francis (1985)
    • Strafford County
      • Strafford
[Montmorillonite] Rocks & Min.:64:504.
  • New Jersey
    • Somerset County
      • Bernards Township
[Montmorillonite] Rumrill
  • New Mexico
[Montmorillonite] Northrop et al. (1996)
    • Catron County
[Montmorillonite] Northrop et al. (1996)
    • Cibola County
[Montmorillonite] Northrop et al. (1996)
[Montmorillonite] Moench (1962)
    • Colfax County
[Montmorillonite] Northrop et al. (1996)
    • Doña Ana County
      • Rincon Mining District
[Montmorillonite] Northrop et al. (1996)
    • Eddy County
      • Carlsbad Caverns National Park
[Montmorillonite] Northrop et al. (1996)
[Montmorillonite] Northrop et al. (1996)
      • Carlsbad Potash Mining District
[Montmorillonite] - (2005)
[Montmorillonite] Philip (2013)
    • Grant County
[Beidellite] Northrop et al. (1996)
        • Vanadium
[Beidellite] Northrop et al. (1996)
[Montmorillonite] - (2005)
      • Hanover-Fierro Mining District
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] Northrop et al. (1996)
      • Santa Rita Mining District
        • Santa Rita
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Northrop et al. (1996)
[Montmorillonite] Northrop et al. (1996)
[Montmorillonite] Northrop et al. (1996)
    • McKinley County
[Beidellite] Northrop et al. (1996)
[Montmorillonite] NMBMMR Memoir 38 Geology and Technology ...
[Montmorillonite] NMBMMR Memoir 38 Geology and Technology ...
[Montmorillonite] Northrop et al. (1996)
[Montmorillonite] Northrop et al. (1996)
    • San Juan County
[Montmorillonite] Northrop et al. (1996)
    • Sandoval County
[Montmorillonite] Elston (1968)
    • Santa Fe County
[Montmorillonite] Northrop et al. (1996)
    • Sierra County
[Montmorillonite] Northrop et al. (1996)
[Montmorillonite] Northrop et al. (1996)
[Montmorillonite] Northrop et al. (1996)
[Montmorillonite] Northrop et al. (1996)
[Montmorillonite] Northrop et al. (1996)
    • Socorro County
[Montmorillonite] Northrop et al. (1996)
[Beidellite] Northrop et al. (1996)
[Montmorillonite] - (2005)
    • Taos County
      • Picuris District
[Montmorillonite] Jahns et al. (1977)
[Montmorillonite] Northrop et al. (1996)
  • New York
    • Essex County
      • Crown Point Township
[Montmorillonite] Jensen (1978)
      • Willsboro
[Montmorillonite] DeRudder & Beck 11th National ...
    • Lewis County
[Montmorillonite] NY State Museum spec. no. 12921
    • St. Lawrence County
      • Fowler
        • Balmat
[Montmorillonite] Chamberlain et al. (2023)
[Montmorillonite]
    • Beaufort County
      • North Carolina Phosphate Mining District
        • Aurora
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] U.S Geological Survey +1 other reference
[Montmorillonite] Clays and Clay Minerals +1 other reference
    • Cleveland County
      • Kings Mountain
[Montmorillonite] Smithsonian Institution Mineral ...
    • Cumberland County
      • Fayetteville
[Montmorillonite] Heron et al. ( )
[Montmorillonite] Clays and Clay Minerals +1 other reference
[Montmorillonite] S.Duncan Heron ( )
[Montmorillonite] S.Duncan Heron ( )
[Montmorillonite] Mineral Resources On-Line Spatial Data ( MRDS)
[Montmorillonite] Wilson
    • Madison County
[Montmorillonite] - (2005)
    • McDowell County
[Montmorillonite] - (2005)
    • Mitchell County
      • Grassy Creek
[Montmorillonite] Dana et al. (1892)
[Montmorillonite] S.Duncan Heron ( )
[Montmorillonite] S.Duncan Heron ( )
[Montmorillonite] Malcolm et al. (1969)
  • North Dakota
    • Golden Valley County
[Montmorillonite] vulcan.wr.usgs.gov (n.d.)
    • Pembina County
      • Walhalla
[Montmorillonite] www.dmr.nd.gov (n.d.)
  • Oklahoma
    • Kiowa County
[Montmorillonite] - (2005)
  • Oregon
    • Clackamas County
      • Clackamas River localities
[Montmorillonite] Tschernich (1992)
[Montmorillonite] - (2005)
    • Grant County
      • Monument
[Montmorillonite] - (n.d.)
      • Quartzburg Mining District (Comer Mining District)
[Beidellite] - (2005)
    • Hood River County
[Montmorillonite] Marshall W. Gannett and Keith E. Bargar +1 other reference
    • Jackson County
      • Butte Creek Mining District
[Beidellite] - (2005)
    • Jefferson County
[Montmorillonite] USGS Bull 969
[Montmorillonite] - (2005)
    • Lake County
      • Lakeview
[Montmorillonite] Nevada Bureau of Mines and Geology NBMG ...
    • Malheur County
      • Opalite Mining District (McDermitt Mining District)
[Montmorillonite] Nevada Bureau of Mines and Geology NBMG ...
[Montmorillonite] Altaner et al. (1990)
  • Pennsylvania
    • Adams County
      • Cumberland Township
[Montmorillonite] Rocks & Minerals 81:229-234
    • Montgomery County
      • Marlborough Township
        • Perkiomenville
[Montmorillonite] Lapham et al. (1965)
  • Puerto Rico
    • Lares
[Montmorillonite] Cox (1985) +1 other reference
  • Rhode Island
    • Providence County
      • Burrillville
        • Glendale
[Montmorillonite]
        • Oakland
[Montmorillonite] Miller
      • Cranston
[Montmorillonite] Miller (1971)
      • Lincoln
        • Lime Rock
[Montmorillonite] Rocks & Minerals (1986)
    • Washington County
      • Hopkinton
        • Ashaway
[Montmorillonite] Metropolis et al. (1986)
  • South Carolina
    • Aiken County
[Montmorillonite] - (2005)
    • Beaufort County
      • Coosa Mining District
[Montmorillonite] - (2005)
    • Berkeley County
[Montmorillonite] - (2005)
    • Calhoun County
[Montmorillonite] - (2005)
    • Charleston County
      • Charleston Mining District
[Montmorillonite] - (2005)
[Montmorillonite] S.Duncan Heron ( )
[Montmorillonite] S.Duncan Heron ( )
    • Dorchester County
[Montmorillonite] - (2005)
    • Jasper County
[Montmorillonite] - (2005)
[Montmorillonite] S.Duncan Heron ( )
    • Williamsburg County
[Montmorillonite] - (2005)
  • South Dakota
    • Butte County
      • Belle Fourche Mining District
[Montmorillonite] Soil Sci Soc Am J 42:524-528 (1978) +1 other reference
    • Custer County
      • Custer Mining District
        • Fourmile
[Montmorillonite] Rocks & Minerals: 60: 117-118.
    • Fall River County
[Montmorillonite] Roberts et al. (1965)
[Montmorillonite] Roberts et al. (1965)
[Montmorillonite] Roberts et al. (1965)
    • Pennington County
      • Keystone Mining District
        • Keystone
[Montmorillonite] Rocks & Minerals: 67 (6)
[Montmorillonite] Smith et al. (2000)
  • Tennessee
    • Anderson County
[Montmorillonite] Rock & Minerals Vol. 84 No. 4 Jul/Aug ...
[Montmorillonite] Nandi et al. (2009)
[Montmorillonite] - (2010)
[Montmorillonite] Andrew R.Thomas and Haydn H. Murray (1989)
    • Johnson County
[Montmorillonite] Carmchael et al. (2017)
[Montmorillonite] Olive et al. (1969)
[Montmorillonite] Nandi et al. (2009)
  • Texas
    • Brewster County
      • Big Bend National Park
[Montmorillonite] Mineralogical Magazine 1979 43 : ...
[Montmorillonite] Morgan et al. (2008)
      • Study Butte
[Montmorillonite] Marvin J. Droddy and John C. Butler (1979)
[Montmorillonite] cms.lanl.gov (n.d.)
    • Hudspeth County
[Montmorillonite] Smith (1991)
[Montmorillonite] Price (1983)
      • Quitman Mountains
[Montmorillonite] Price (1983)
      • Sierra Blanca Peaks
[Montmorillonite] Am Min 72:1122-1130
      • Van Horn Mountains
[Montmorillonite] Smith (1991)
    • Jeff Davis County
      • Davis Mountains
[Montmorillonite] Smith (1991)
    • Karnes County
      • Karnes Uranium Mining District
[Montmorillonite] Dickinson et al. (1976)
    • Live Oak County
      • Ray Point Mining District
[Montmorillonite] Hubbard et al. (2023)
    • Llano County
[Montmorillonite] Anthony (1997)
    • McMullen County
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Presidio County
      • Chinati Mountains
[Montmorillonite] Price (1983)
[Montmorillonite] Price (1983)
[Montmorillonite] Price (1983)
[Montmorillonite] Price (1983)
[Montmorillonite] Smith (1991)
[Beidellite] Origlieri (1990)
  • Utah
    • East Tintic Mountains
      • Tintic Mining District
[Montmorillonite] Min News 9:9 p6-8
[Montmorillonite] makalu.jpl.nasa.gov (n.d.)
    • Emery County
[Montmorillonite] Young et al. (1960)
    • Garfield County
      • Bear Creek-Sandy Creek Area
[Montmorillonite] - (2005)
    • Grand County
      • Little Grand Mining District
[Montmorillonite] Williams (2017)
    • Iron County
      • Escalante Mining District
[Montmorillonite] Bullock (1981)
      • Lund Area
[Montmorillonite] - (2005)
    • Juab County
      • East Tintic Mountains
[Beidellite] Bullock (1981)
[Montmorillonite] Bullock (1981)
      • Thomas Range
        • Spor Mountain Mining District
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
          • Dell Mine
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
    • Piute County
[Montmorillonite] Bullock (1981)
[Montmorillonite] gsa.confex.com (n.d.)
[Beidellite] Wyant
[Montmorillonite] - (2005) +1 other reference
    • Salt Lake County
      • Bingham Mining District
        • Bingham Canyon
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
    • San Juan County
      • Blanding
[Montmorillonite] Bull. Minéral.
[Montmorillonite] Finnell et al. (1963)
[Montmorillonite] Finnell et al. (1963)
      • Lisbon Valley Mining District
[Montmorillonite] Gross (1956)
      • Montezuma Canyon Mining District
[Montmorillonite] Chukanov et al. (2004)
    • Sanpete County
[Beidellite] Bullock (1981)
    • Sevier County
      • Antelope Range
        • Henry Mining District
[Montmorillonite] Bullock (1981)
    • Summit County
      • Park City Mining District
[Montmorillonite] Bullock (1981)
[Montmorillonite] Bullock (1981)
    • Tooele County
      • Gold Hill Mining District (Clifton Mining District)
[Beidellite] Bullock (1981) +1 other reference
      • Sunshine Mining District
[Montmorillonite] - (2005)
    • Utah County
      • East Tintic Mining District
[Montmorillonite] Bullock (1981)
      • East Tintic Mountains
[Beidellite] Bullock (1981)
      • Lake Mountains Mining District
[Montmorillonite] Bullock (1981) +1 other reference
[Montmorillonite] - (2005)
      • North Tintic Mining District
[Montmorillonite] Lovering et al. (1960)
      • Sunshine Mining District
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
        • Fairfield
[Beidellite] Bullock (1981)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Wasatch County
      • Elkhorn Mining District
[Montmorillonite] Singer et al. (2008)
[Montmorillonite] Bullock (1981)
    • Washington County
[Montmorillonite] Bullock (1981)
[Beidellite] Dietrich (1990)
    • Amelia County
      • Amelia (Amelia Court House)
[Montmorillonite] Am Min 50:231-235 +1 other reference
    • Bedford County
[Montmorillonite] Dietrich (1990)
[Montmorillonite] Dietrich (1990)
    • Fairfax County
      • Culpeper Basin
[Montmorillonite] Dietrich (1990)
    • Isle Of Wight County
[Montmorillonite] Dietrich (1990)
[Montmorillonite] Dietrich (1990)
    • Rockbridge County
      • Glasgow
[Montmorillonite] Dietrich (1985)
[Montmorillonite] Dietrich (1990)
[Montmorillonite] Glass et al. (1958) +1 other reference
[Montmorillonite] Dietrich (1990)
  • Washington
    • Benton County
[Montmorillonite] Tschernich (1992)
    • Okanogan County
      • Mazama Mining District
[Montmorillonite] Singer et al. (2008)
    • Snohomish County
      • Sultan Mining District
        • Vesper Peak
[Montmorillonite] Cannon (1991)
    • Stevens County
      • Northport Mining District
        • Northport Area
[Montmorillonite] - (2005)
      • Springdale Mining District
        • Wellpinit Area
[Montmorillonite] Barrington et al. (1961) +2 other references
    • Whatcom County
      • Mount Baker Mining District
        • Mount Baker
[Montmorillonite] Frank (1983)
  • Wisconsin
[Montmorillonite] Rocks & Min. Vol. 73 (1998)
[Montmorillonite] Cordua (1998)
      • Shullsburg area
[Montmorillonite] Heyl et al. (1959)
    • Rusk County
      • Ladysmith
[Montmorillonite] DeMatties (2018)
    • Wood County
[Montmorillonite] 55TH INSTITUTE ON LAKE SUPERIOR GEOLOGY (2009)
[Montmorillonite] Goodman (1978)
    • Albany County
[Montmorillonite] Hanley et al. (1950)
    • Converse County
      • Southern Powder River Basin Mining District
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
[Montmorillonite] - (2005)
    • Crook County
[Montmorillonite] Van Rythoven et al. (2020)
    • Fremont County
      • Owl Creek Mountains
[Montmorillonite] - (2005)
    • Laramie County
[Montmorillonite] Coopersmith et al. (2003, June)
    • Natrona County
[Montmorillonite] Hanley et al. (1950)
    • Sweetwater County
      • Green River Basin
[Beidellite] Tony Nikischer and Luis Menezes
[Montmorillonite] Fahey et al. (1941)
    • Teton County
[Montmorillonite] Bargar +1 other reference
[Montmorillonite] Bargar et al. (1973)
[Montmorillonite] Tschernich (1992)
Uzbekistan
 
  • Ferghana Region
    • Uzbekistan District
[Montmorillonite] Uklonskiy et al. (1964) +1 other reference
  • Navoiy
    • Central Kyzylkum Region
      • Lyavlyakan-Beshkak ore field
[Montmorillonite] Solodov et al. (2001)
  • Sirdaryo
[Montmorillonite] Mirzaev et al. (2004)
Vietnam
 
  • Lai Châu Province
    • Phong Tho District
      • Mt Fansipan
[Montmorillonite] Gupta et al. (2005)
Zambia
 
  • North-Western Province
    • Solwezi District
[Montmorillonite] MacIntyre (2019)
  • Southern Province
    • Mazabuka District
      • Munali Intrusive Complex
[Montmorillonite] Brotherton (1979)
Zimbabwe
 
  • Manicaland
    • Buhera District
[Montmorillonite] Meck et al. (2011)
      • Shawa complex
[Montmorillonite] Meck et al. (2011)
  • Mashonaland East
    • Goromonzi District
[Montmorillonite] Mineralogical Magazine 1959 32 : 87-89
Mars
 
  • Oxia Palus quadrangle
[Montmorillonite] Gornitz (2006) +1 other reference
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