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

Fleck occurrence (American Brass; Two Duck Lake), O'Neill Township, Thunder Bay District, Ontario, Canadai
Regional Level Types
Fleck occurrence (American Brass; Two Duck Lake)Occurrence
O'Neill TownshipTownship
Thunder Bay DistrictDistrict
OntarioProvince
CanadaCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
48° 46' 53'' North , 86° 19' 30'' West
Latitude & Longitude (decimal):
48.78139,-86.32500
GeoHash:
G#: f0dte8kh1
GRN:
N33W42
Type:
Occurrence
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Marathon4,627 (2008)8.7km
Mindat Locality ID:
195174
Long-form identifier:
mindat:1:2:195174:8
GUID (UUID V4):
0


PGM deposit in the Two Duck Lake intrusive of the Coldwell complex.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


37 valid minerals.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Altaite
Formula: PbTe
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Atokite
Formula: (Pd,Pt)3Sn
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Clausthalite
Formula: PbSe
ⓘ Covellite
Formula: CuS
ⓘ Cubanite
Formula: CuFe2S3
ⓘ Digenite
Formula: Cu9S5
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Fayalite-Forsterite Series'
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Galena
Formula: PbS
ⓘ Hessite
Formula: Ag2Te
ⓘ Hollingworthite
Formula: (Rh,Pt,Pd)AsS
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Isomertieite
Formula: Pd11Sb2As2
ⓘ Kotulskite
Formula: Pd(Te,Bi)2-x (x ≈ 0.4)
ⓘ Mackinawite
Formula: FeS
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ Majakite
Formula: PdNiAs
ⓘ Merenskyite
Formula: PdTe2
ⓘ Mertieite
Formula: Pd8Sb2.5As0.5
ⓘ Moncheite
Formula: Pt(Te,Bi)2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Native Gold var. Electrum
Formula: (Au,Ag)
ⓘ Nickeline
Formula: NiAs
ⓘ Palladoarsenide
Formula: Pd2As
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Siderite
Formula: FeCO3
ⓘ Sopcheite
Formula: Ag4Pd3Te4
ⓘ Sperrylite
Formula: PtAs2
ⓘ Temagamite
Formula: Pd3HgTe3
ⓘ Zvyagintsevite
Formula: Pd3Pb

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold
var. Electrum		1.AA.05(Au,Ag)
ⓘ1.AA.05Au
ⓘAtokite1.AG.10(Pd,Pt)3Sn
ⓘZvyagintsevite1.AG.10Pd3Pb
Group 2 - Sulphides and Sulfosalts
ⓘMertieite2.AC.10bPd8Sb2.5As0.5
ⓘIsomertieite2.AC.15aPd11Sb2As2
ⓘPalladoarsenide2.AC.25aPd2As
ⓘMajakite2.AC.25ePdNiAs
ⓘChalcocite2.BA.05Cu2S
ⓘDigenite2.BA.10Cu9S5
ⓘBornite2.BA.15Cu5FeS4
ⓘHessite2.BA.60Ag2Te
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘTemagamite2.BC.50Pd3HgTe3
ⓘSopcheite2.BC.55Ag4Pd3Te4
ⓘCovellite2.CA.05aCuS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘCubanite2.CB.55aCuFe2S3
ⓘKotulskite2.CC.05Pd(Te,Bi)2-x (x ≈ 0.4)
ⓘNickeline2.CC.05NiAs
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘMackinawite2.CC.25FeS
ⓘAltaite2.CD.10PbTe
ⓘClausthalite2.CD.10PbSe
ⓘGalena2.CD.10PbS
ⓘMerenskyite2.EA.20PdTe2
ⓘMoncheite2.EA.20Pt(Te,Bi)2
ⓘPyrite2.EB.05aFeS2
ⓘSperrylite2.EB.05aPtAs2
ⓘHollingworthite2.EB.25(Rh,Pt,Pd)AsS
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘvar. Titanium-bearing Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘIlmenite4.CB.05Fe2+TiO3
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ SideriteFeCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ SideriteFeCO3
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ Fayalite-Forsterite Series
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Fayalite-Forsterite Series
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ CubaniteCuFe2S3
Sⓘ DigeniteCu9S5
Sⓘ GalenaPbS
Sⓘ Hollingworthite(Rh,Pt,Pd)AsS
Sⓘ MackinawiteFeS
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ CubaniteCuFe2S3
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ IlmeniteFe2+TiO3
Feⓘ MackinawiteFeS
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ SideriteFeCO3
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ Fayalite-Forsterite Series
NiNickel
Niⓘ MajakitePdNiAs
Niⓘ NickelineNiAs
Niⓘ Pentlandite(NixFey)Σ9S8
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CovelliteCuS
Cuⓘ CubaniteCuFe2S3
Cuⓘ DigeniteCu9S5
AsArsenic
Asⓘ Hollingworthite(Rh,Pt,Pd)AsS
Asⓘ IsomertieitePd11Sb2As2
Asⓘ MajakitePdNiAs
Asⓘ MertieitePd8Sb2.5As0.5
Asⓘ NickelineNiAs
Asⓘ PalladoarsenidePd2As
Asⓘ SperrylitePtAs2
SeSelenium
Seⓘ ClausthalitePbSe
RhRhodium
Rhⓘ Hollingworthite(Rh,Pt,Pd)AsS
PdPalladium
Pdⓘ Atokite(Pd,Pt)3Sn
Pdⓘ Hollingworthite(Rh,Pt,Pd)AsS
Pdⓘ IsomertieitePd11Sb2As2
Pdⓘ KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Pdⓘ MajakitePdNiAs
Pdⓘ MerenskyitePdTe2
Pdⓘ MertieitePd8Sb2.5As0.5
Pdⓘ PalladoarsenidePd2As
Pdⓘ SopcheiteAg4Pd3Te4
Pdⓘ TemagamitePd3HgTe3
Pdⓘ ZvyagintsevitePd3Pb
AgSilver
Agⓘ Native Gold var. Electrum(Au,Ag)
Agⓘ HessiteAg2Te
Agⓘ SopcheiteAg4Pd3Te4
SnTin
Snⓘ Atokite(Pd,Pt)3Sn
SbAntimony
Sbⓘ IsomertieitePd11Sb2As2
Sbⓘ MertieitePd8Sb2.5As0.5
TeTellurium
Teⓘ AltaitePbTe
Teⓘ HessiteAg2Te
Teⓘ KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Teⓘ MerenskyitePdTe2
Teⓘ MoncheitePt(Te,Bi)2
Teⓘ SopcheiteAg4Pd3Te4
Teⓘ TemagamitePd3HgTe3
PtPlatinum
Ptⓘ Atokite(Pd,Pt)3Sn
Ptⓘ Hollingworthite(Rh,Pt,Pd)AsS
Ptⓘ MoncheitePt(Te,Bi)2
Ptⓘ SperrylitePtAs2
AuGold
Auⓘ Native Gold var. Electrum(Au,Ag)
Auⓘ Native GoldAu
HgMercury
Hgⓘ TemagamitePd3HgTe3
PbLead
Pbⓘ AltaitePbTe
Pbⓘ ClausthalitePbSe
Pbⓘ GalenaPbS
Pbⓘ ZvyagintsevitePd3Pb
BiBismuth
Biⓘ KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Biⓘ MoncheitePt(Te,Bi)2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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.

References

Ohnenstetter, D., Watkinson, D.H., Dahl, R. (1989) Platinum group minerals from the Two Duck Lake intrusion, Coldwell complex, Canada. 5th International Platinum Symposium Bulletin of The Geological Society of Finland: 61(1): 1-64 (28).
Ohnenstetter, Daniel, Watkinson, David H., Dahl, Richard (1991) Zoned hollingworthite from the Two Duck Lake intrusion, Coldwell complex, Ontario. American Mineralogist, 76 (9-10) 1694-1700
Watkinson, D.H., Ohnenstetter, D. (1992) Hydrothermal origin of platinum-group mineralization in the Two Duck Lake Intrusion, Coldwell Complex, northwestern Ontario. The Canadian Mineralogist: 30: 121-136.
Quick NavTopMineral ListOther RegionsReferences
 
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 20, 2026 20:10:50 Page updated: August 9, 2025 03:20:52
Go to top of page