LIVE REPORT! Munich Show 2026 - last updated 9 minutes ago. Click here to watch.
Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Archuleta County, Colorado, USAi
Regional Level Types
Archuleta CountyCounty
ColoradoState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Type:
Largest Settlements:
PlacePopulation
Pagosa Springs1,756 (2017)
Arboles280 (2011)
Mindat Locality ID:
56038
Long-form identifier:
mindat:1:2:56038:3
GUID (UUID V4):
0
Other Languages:
French:
Comté d'Archuleta, Colorado, États-Unis
German:
Archuleta County, Colorado, Vereinigte Staaten
Italian:
Contea di Archuleta, Colorado, Stati Uniti d'America
Russian:
Арчулета, Колорадо, Соединённые Штаты Америки
Simplified Chinese:
阿丘利塔縣, 科羅拉多州, 美国
Spanish:
Condado de Archuleta, Colorado, Estados Unidos
Albanian:
Archuleta County, Colorado, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة أرتشوليتا, كولورادو, الولايات المتحدة
Armenian:
Արքուլետա շրջան, Կոլորադո, Ամերիկայի Միացյալ Նահանգներ
Basque:
Archuleta konderria, Colorado
Bavarian:
Archuleta County, Colorado, Vaoanigte Stootn
Bishnupriya Manipuri:
আরচুলেটা কাউন্টি, কলোরাডো, তিলপারাষ্ট্র
Bulgarian:
Арчулета, Колорадо, Съединени американски щати
Cebuano:
Archuleta County, Colorado
Czech:
Archuleta County, Colorado, Spojené státy americké
Dutch:
Archuleta County, Colorado, Verenigde Staten
Estonian:
Archuleta maakond, Colorado, Ameerika Ühendriigid
Farsi/Persian:
شهرستان آرچولتا، کلرادو, کلرادو, ایالات متحده آمریکا
Hungarian:
Archuleta megye, Colorado, Amerikai Egyesült Államok
Irish Gaelic:
Contae Archuleta, Colorado, Stáit Aontaithe Mheiriceá
Japanese:
アーシュレタ郡, コロラド州, アメリカ合衆国
Low Saxon/Low German:
Archuleta County, Colorado, USA
Min Dong Chinese:
Archuleta Gông, Colorado
Navajo:
Tó Sido Háálį́ Áłtsʼíísí Bił Hahoodzo, Dibé Nitsaa Hahoodzo, Wááshindoon Bikéyah Ałhidadiidzooígíí
Norwegian:
Archuleta County, Colorado, USA
Polish:
Hrabstwo Archuleta, Kolorado, Stany Zjednoczone
Portuguese:
Condado de Archuleta, Colorado, Estados Unidos
Romanian:
Comitatul Archuleta, Colorado, Statele Unite ale Americii
Serbian:
Округ Арчулета, Колорадо, Сједињене Америчке Државе
Serbo-Croatian:
Archuleta County, Colorado, Sjedinjene Američke Države
Swedish:
Archuleta County, Colorado, USA
Turkish:
Archuleta, Colorado, Amerika Birleşik Devletleri
Ukrainian:
Арчулета, Колорадо, Сполучені Штати Америки
Urdu:
آرچولیٹا کاؤنٹی، کولوراڈو, کولوراڈو, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Archuleta, Colorado, Chủng Quốc Hoa Kỳ
Waray:
Condado han Archuleta, Colorado, Estados Unidos
Western Punjabi:
ارچولیٹا کاؤنٹی, کولوراڈو, امریکہ


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

10 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ Calcite
Formula: CaCO3
ⓘ Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
ⓘ Celadonite
Formula: K(MgFe3+◻)(Si4O10)(OH)2
ⓘ 'Glauconite'
Formula: K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
ⓘ Laumontite
Formula: CaAl2Si4O12 · 4H2O
ⓘ Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
ⓘ Native Sulphur
Formula: S8
ⓘ Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ 'Wolframite Group'

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Sulphur1.CC.05S8
Group 4 - Oxides and Hydroxides
ⓘQuartz
var. Amethyst
4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘ'Wolframite Group'4.DB.30 va
ⓘCarnotite4.HB.05K2(UO2)2(VO4)2 · 3H2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘCeladonite9.EC.15K(MgFe3+◻)(Si4O10)(OH)2
ⓘNontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
ⓘLaumontite9.GB.10CaAl2Si4O12 · 4H2O
ⓘMordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Unclassified
ⓘ'Glauconite'-K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ CarnotiteK2(UO2)2(VO4)2 · 3H2O
Hⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Hⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Hⓘ LaumontiteCaAl2Si4O12 · 4H2O
Hⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Hⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Hⓘ OpalSiO2 · nH2O
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Quartz var. AmethystSiO2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ CalciteCaCO3
Oⓘ CarnotiteK2(UO2)2(VO4)2 · 3H2O
Oⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Oⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Oⓘ LaumontiteCaAl2Si4O12 · 4H2O
Oⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Oⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
NaSodium
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Naⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
MgMagnesium
Mgⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Mgⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
AlAluminium
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Alⓘ LaumontiteCaAl2Si4O12 · 4H2O
Alⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Alⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
SiSilicon
Siⓘ Quartz var. AmethystSiO2
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Siⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Siⓘ LaumontiteCaAl2Si4O12 · 4H2O
Siⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Siⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
SSulfur
Sⓘ Native SulphurS8
KPotassium
Kⓘ CarnotiteK2(UO2)2(VO4)2 · 3H2O
Kⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Kⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Kⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ LaumontiteCaAl2Si4O12 · 4H2O
Caⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
VVanadium
Vⓘ CarnotiteK2(UO2)2(VO4)2 · 3H2O
FeIron
Feⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Feⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Feⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
UUranium
Uⓘ CarnotiteK2(UO2)2(VO4)2 · 3H2O

Fossils

There are 42 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences42
Youngest Fossil Listed56.0 Ma (Paleocene)
Oldest Fossil Listed83.6 Ma (Late/Upper Cretaceous)
Stratigraphic Units
UnitNo. OccurrencesAge
Animas3866 - 56 Ma (Paleocene)
Raton366 - 56 Ma (Paleocene)
Lewis Shale172.1 - 66 Ma (Late/Upper Cretaceous)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Dinosauria
order
Animalia : Chordata : Reptilia : Dinosauria72.1 - 66 Ma
Late/Upper Cretaceous
Platanus raynoldsi
species
Plantae : Spermatophyta : Magnoliopsida : Proteales : Platanaceae : Platanus : Platanus raynoldsi66 - 56 Ma
Paleocene
Ficus
genus
Plantae : Tracheophyta : Magnoliopsida : Rosales : Moraceae : Ficus66 - 56 Ma
Paleocene
Plantae
kingdom
Plantae66 - 56 Ma
Paleocene
Artocarpus lessigiana
species
Plantae : Tracheophyta : Magnoliopsida : Rosales : Moraceae : Artocarpus : Artocarpus lessigiana66 - 56 Ma
Paleocene
Magnolia
genus
Plantae : Tracheophyta : Magnoliopsida : Magnoliales : Magnoliaceae : Magnolia66 - 56 Ma
Paleocene
Rhamnus
genus
Plantae : Tracheophyta : Magnoliopsida : Rosales : Rhamnaceae : Rhamnus66 - 56 Ma
Paleocene
Cissus
genus
Plantae : Tracheophyta : Magnoliopsida : Vitales : Vitaceae : Cissus66 - 56 Ma
Paleocene
Phyllites
genus
Plantae : Tracheophyta : Magnoliopsida : Phyllites66 - 56 Ma
Paleocene
Anemia
genus
Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Anemiaceae : Anemia66 - 56 Ma
Paleocene
Juglans
genus
Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : Juglans66 - 56 Ma
Paleocene
Ficus (Ficus)
subgenus
Animalia : Mollusca : Gastropoda : Ficidae : Ficus : Ficus (Ficus)66 - 56 Ma
Paleocene
Vitis
genus
Plantae : Tracheophyta : Magnoliopsida : Vitales : Vitaceae : Vitis66 - 56 Ma
Paleocene
Prognathodon overtoni
species
Animalia : Chordata : Reptilia : Squamata : Mosasauridae : Prognathodon : Prognathodon overtoni83.6 - 72.1 Ma
Late/Upper Cretaceous
Zizyphus
genus
Plantae : Tracheophyta : Magnoliopsida : Rosales : Rhamnaceae : Zizyphus66 - 56 Ma
Paleocene
Myrtophyllum torreyi
species
Myrtophyllum : Myrtophyllum torreyi66 - 56 Ma
Paleocene
Davidia antiqua
species
Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : Actinodonta : Davidia antiqua66 - 56 Ma
Paleocene
Allantodiopsis erosa
species
Allantodiopsis : Allantodiopsis erosa66 - 56 Ma
Paleocene
Lastrea goldiana
species
Lastrea : Lastrea goldiana66 - 56 Ma
Paleocene
Laurus socialis
species
Plantae : Tracheophyta : Magnoliopsida : Laurales : Lauraceae : Laurus : Laurus socialis66 - 56 Ma
Paleocene
Lindera obtusata
species
Lindera : Lindera obtusata66 - 56 Ma
Paleocene
Persea brossiana
species
Plantae : Tracheophyta : Magnoliopsida : Laurales : Lauraceae : Persea : Persea brossiana66 - 56 Ma
Paleocene
Sabal grayana
species
Sabal : Sabal grayana66 - 56 Ma
Paleocene
Nelumbium tenuifolium
species
Plantae : Tracheophyta : Magnoliopsida : Proteales : Nelumbonaceae : Nelumbium : Nelumbium tenuifolium66 - 56 Ma
Paleocene
Castanea intermedia
species
Plantae : Tracheophyta : Magnoliopsida : Fagales : Fagaceae : Castanea : Castanea intermedia66 - 56 Ma
Paleocene
Fossil LocalitiesClick to show 5 fossil localities

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Archuleta_County,_Colorado
Wikidata ID:Q311894
GeoNames ID:5412082

Localities in this Region

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 22, 2026 14:25:31 Page updated: June 22, 2026 18:13:54
Go to top of page