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Placer deposits, Similkameen River, Princeton, Similkameen Mining Division, British Columbia, Canada

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Latitude & Longitude (WGS84): 49° 30' North , 121° 0' West
Latitude & Longitude (decimal): 49.50000,-121.00000
GeoHash:G#: c2ccwe4qr
Locality type:Group of Deposits
Köppen climate type:Dfc : Subarctic climate


A PGM placer occurrence located in the Similkameen River about 15 km above its confluence with the Tulameen River near the town of Princeton.
Several large pieces of Platinum have been found here.

GPS coordinates are approximate.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


9 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Chalcopyrite
Formula: CuFeS2
Reference: Canadian Mineralogist: 43: 1687-1710.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Alfredo Petrov collection
'Fayalite-Forsterite Series'
Reference: Canadian Mineralogist: 43: 1687-1710.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Canadian Mineralogist: 43: 1687-1710.
Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
Reference: Alfredo Petrov collection
Iridium
Formula: (Ir,Os,Ru)
Reference: Alfredo Petrov collection
Isoferroplatinum
Formula: Pt3Fe
Reference: Alfredo Petrov collection
Platinum
Formula: Pt
Reference: http://cgi.ebay.com.au/PLATINUM-1-gram-30-sm-NUGGET-s-15-5grains-P-536_W0QQitemZ320187807249QQihZ011QQcategoryZ3360QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Pyrite
Formula: FeS2
Description: Corroded crystals present in heavy fraction of alluvium.
Reference: Canadian Mineralogist: 43: 1687-1710.
Tetraferroplatinum
Formula: PtFe
Reference: Alfredo Petrov collection
Tulameenite (TL)
Formula: Pt2CuFe
Description: At both type localities, the Similkameen River and Tulameen River, tulameenite is found in placer deposits derived from the weathering of the Late Triassic Tulameen zoned ultramafic complex. Tulameenite occurs as minute, white metallic grains, associated with chalcopyrite, chromite, magnetite, almandine, spessartine, hematite, zircon, ilmenite, gold, isoferroplatinum and Pt-Fe alloys.
Reference: CABRI, L.J., OWENS, D.R. & LAFLAMME, J.H.G. (1973): Tulameenite, a new platinum B iron B copper mineral from placers in the Tulameen River area, British Columbia. Canadian Mineralogist 12, 21-25.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Iridium'1.AF.10(Ir,Os,Ru)
'Isoferroplatinum'1.AG.35Pt3Fe
'Platinum'1.AF.10Pt
'Tetraferroplatinum'1.AG.40PtFe
'Tulameenite' (TL)1.AG.40Pt2CuFe
Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Irarsite'2.EB.25(Ir,Ru,Rh,Pt)AsS
'Pyrite'2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
'Chromite'4.BB.05Fe2+Cr3+2O4
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Platinum Group Metals and Alloys
Iridium1.2.1.2(Ir,Os,Ru)
Isoferroplatinum1.2.5.1Pt3Fe
Platinum1.2.1.1Pt
Tetraferroplatinum1.2.4.1PtFe
Tulameenite (TL)1.2.4.2Pt2CuFe
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Irarsite2.12.3.7(Ir,Ru,Rh,Pt)AsS
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

OOxygen
O ChromiteFe2+Cr23+O4
O Garnet GroupX3Z2(SiO4)3
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
SSulfur
S ChalcopyriteCuFeS2
S Irarsite(Ir,Ru,Rh,Pt)AsS
S PyriteFeS2
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChalcopyriteCuFeS2
Fe ChromiteFe2+Cr23+O4
Fe IsoferroplatinumPt3Fe
Fe PyriteFeS2
Fe TetraferroplatinumPtFe
Fe TulameenitePt2CuFe
CuCopper
Cu ChalcopyriteCuFeS2
Cu TulameenitePt2CuFe
AsArsenic
As Irarsite(Ir,Ru,Rh,Pt)AsS
RuRuthenium
Ru Irarsite(Ir,Ru,Rh,Pt)AsS
RhRhodium
Rh Irarsite(Ir,Ru,Rh,Pt)AsS
IrIridium
Ir Irarsite(Ir,Ru,Rh,Pt)AsS
Ir Iridium(Ir,Os,Ru)
PtPlatinum
Pt Irarsite(Ir,Ru,Rh,Pt)AsS
Pt IsoferroplatinumPt3Fe
Pt PlatinumPt
Pt TetraferroplatinumPtFe
Pt TulameenitePt2CuFe

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Late Cretaceous
66 - 100.5 Ma



ID: 3190171
Mesozoic intrusive rocks

Age: Late Cretaceous (66 - 100.5 Ma)

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Cretaceous
66 - 145 Ma



ID: 3415063

Age: Cretaceous (66 - 145 Ma)

Description: Granite; includes Falls Lake Suite of the Eagle Plutonic Complex

Comments: Post Accretionary terrane

Lithology: Granite, alkali feldspar granite intrusive rocks

Reference: Cui, Y., Miller, D., Schiarizza, P., and Diakow, L.J. British Columbia digital geology. British Columbia Ministry of Energy, Mines and Petroleum Resources, British Columbia Geological Survey Open File 2017-8. [205]

Cretaceous
66 - 145 Ma



ID: 665566
Mid-Cretaceous intrusive rocks

Age: Cretaceous (66 - 145 Ma)

Description: Granite; includes Falls Lake Suite of the Eagle Plutonic Complex

Comments: K. Bellefontaine, D. Alldrick and P.J. Desjardins, 1994, Geological Compilation of the Mid Coast, OF 1994-17, BCGS

Lithology: Granite, alkali feldspar granite intrusive rocks

Reference: B.C. Geological Survey. British Columbia Digital Geology. [3]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
CABRI, L.J., OWENS, D.R. & LAFLAMME, J.H.G. (1973): Tulameenite, a new platinum B iron B copper mineral from placers in the Tulameen River area, British Columbia. Canadian Mineralogist 12, 21-25.
Barkov, A.Y., Fleet, M.E., Nixon, G.T., and Levson, V.M. (2005) Platinum-group minerals from five placer deposits in British Columbia, Canada. Canadian Mineralogist: 43: 1687-1710.


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