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Eskay Creek mine, Iskut River, Liard Mining Division, British Columbia, Canadai
Regional Level Types
Eskay Creek mineMine
Iskut RiverRiver
Liard Mining DivisionDivision
British ColumbiaProvince
CanadaCountry

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Latitude & Longitude (WGS84): 56° 37' 11'' North , 130° 30' 42'' West
Latitude & Longitude (decimal): 56.61973,-130.51178
GeoHash:G#: c454n5k1z
Locality type:Mine
Köppen climate type:Dfc : Subarctic climate


Polymetallic, Au- and Ag-rich, volcanic-hosted, massive sulfide deposit (also designated as a (Au-Ag-Cu-Zn-As-Sb-Hg) deposit).
Mined by Barrick Gold Corp.

Located in Northwestern British Columbia.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


24 valid minerals.

Detailed Mineral List:

Aktashite
Formula: Cu6Hg3As4S12
Reference: MINFILE NUMBER: 104B 008
Arsenopyrite
Formula: FeAsS
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; MINFILE NUMBER: 104B 008
Baryte
Formula: BaSO4
Reference: Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; MINFILE NUMBER: 104B 008
Boulangerite
Formula: Pb5Sb4S11
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; MINFILE NUMBER: 104B 008
Bournonite
Formula: PbCuSbS3
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114; MINFILE NUMBER: 104B 008
Calcite
Formula: CaCO3
Reference: MINFILE NUMBER: 104B 008
Chalcopyrite
Formula: CuFeS2
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1209-1224; MINFILE NUMBER: 104B 008
'Chlorite Group'
Reference: Econ Geol (1996) 91:1209-1224; MINFILE NUMBER: 104B 008
Cinnabar
Formula: HgS
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; Grammatikopoulos, T. A., Roth, T., & Valeyev, O. (2005). Compositional variation in Hg-Ag-rich tetrahedrite from the polymetallic Eskay Creek deposit, British Columbia, Canada. Neues Jahrbuch für Mineralogie-Abhandlungen, 181(3), 281-292.
Dolomite
Formula: CaMg(CO3)2
Reference: MINFILE NUMBER: 104B 008
'Electrum'
Formula: (Au, Ag)
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114
Freibergite
Formula: Ag6[Cu4Fe2]Sb4S13-x
Reference: Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224
Galena
Formula: PbS
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; MINFILE NUMBER: 104B 008
Gold
Formula: Au
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; MINFILE NUMBER: 104B 008
Jamesonite
Formula: Pb4FeSb6S14
Reference: Econ Geol (1996) 91:1098-1114
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: MINFILE NUMBER: 104B 008
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Econ Geol (1996) 91:1209-1224
'Native Amalgam'
Formula: (Ag,Hg)
Reference: Econ Geol (1996) 91:1098-1114; MINFILE NUMBER: 104B 008
Orpiment
Formula: As2S3
Reference: MINFILE NUMBER: 104B 008
Pyrite
Formula: FeS2
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; MINFILE NUMBER: 104B 008
'Pyrobitumen'
Reference: MINFILE NUMBER: 104B 008
Quartz
Formula: SiO2
Reference: Econ Geol (1996) 91:1209-1224
Quartz var: Chalcedony
Formula: SiO2
Reference: MINFILE NUMBER: 104B 008
Realgar
Formula: As4S4
Reference: Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; MINFILE NUMBER: 104B 008
Silver
Formula: Ag
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; MINFILE NUMBER: 104B 008
Sphalerite
Formula: ZnS
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; Grammatikopoulos, T. A., Roth, T., & Valeyev, O. (2005). Compositional variation in Hg-Ag-rich tetrahedrite from the polymetallic Eskay Creek deposit, British Columbia, Canada. Neues Jahrbuch für Mineralogie-Abhandlungen, 181(3), 281-292.; MINFILE NUMBER: 104B 008
Stibnite
Formula: Sb2S3
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; MINFILE NUMBER: 104B 008
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.; Econ Geol (1996) 91:1098-1114; Econ Geol (1996) 91:1209-1224; Grammatikopoulos, T. A., Roth, T., & Valeyev, O. (2005). Compositional variation in Hg-Ag-rich tetrahedrite from the polymetallic Eskay Creek deposit, British Columbia, Canada. Neues Jahrbuch für Mineralogie-Abhandlungen, 181(3), 281-292.; MINFILE NUMBER: 104B 008
Wurtzite
Formula: (Zn,Fe)S
Reference: MINFILE NUMBER: 104B 008
Zinkenite
Formula: Pb9Sb22S42
Reference: Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Electrum'1.AA.05(Au, Ag)
Gold1.AA.05Au
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Aktashite2.GA.30Cu6Hg3As4S12
Arsenopyrite2.EB.20FeAsS
Boulangerite2.HC.15Pb5Sb4S11
Bournonite2.GA.50PbCuSbS3
Chalcopyrite2.CB.10aCuFeS2
Cinnabar2.CD.15aHgS
Freibergite2.GB.05Ag6[Cu4Fe2]Sb4S13-x
Galena2.CD.10PbS
Jamesonite2.HB.15Pb4FeSb6S14
Orpiment2.FA.30As2S3
Pyrite2.EB.05aFeS2
Realgar2.FA.15aAs4S4
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Wurtzite2.CB.45(Zn,Fe)S
Zinkenite2.JB.35aPb9Sb22S42
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Native Amalgam'-(Ag,Hg)
'Pyrobitumen'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Galena2.8.1.1PbS
Realgar2.8.21.1As4S4
Sphalerite2.8.2.1ZnS
Wurtzite2.8.7.1(Zn,Fe)S
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Orpiment2.11.1.1As2S3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
3 <ø < 4
Freibergite3.3.6.3Ag6[Cu4Fe2]Sb4S13-x
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 3
Aktashite3.4.13.2Cu6Hg3As4S12
Bournonite3.4.3.2PbCuSbS3
2.5 < ø < 3
Boulangerite3.5.2.1Pb5Sb4S11
2 < ø < 2.49
Jamesonite3.6.7.1Pb4FeSb6S14
1 < ø < 2
Zinkenite3.8.1.1Pb9Sb22S42
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'Electrum'-(Au, Ag)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Native Amalgam'-(Ag,Hg)
'Pyrobitumen'-
Quartz
var: Chalcedony
-SiO2

List of minerals for each chemical element

HHydrogen
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C DolomiteCaMg(CO3)2
C CalciteCaCO3
OOxygen
O BaryteBaSO4
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O QuartzSiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
O DolomiteCaMg(CO3)2
O CalciteCaCO3
O Quartz (var: Chalcedony)SiO2
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Quartz (var: Chalcedony)SiO2
SSulfur
S SphaleriteZnS
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S GalenaPbS
S PyriteFeS2
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S CinnabarHgS
S StibniteSb2S3
S BournonitePbCuSbS3
S BoulangeritePb5Sb4S11
S ZinkenitePb9Sb22S42
S BaryteBaSO4
S RealgarAs4S4
S JamesonitePb4FeSb6S14
S FreibergiteAg6[Cu4Fe2]Sb4S13-x
S AktashiteCu6Hg3As4S12
S OrpimentAs2S3
S Wurtzite(Zn,Fe)S
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca CalciteCaCO3
FeIron
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe JamesonitePb4FeSb6S14
Fe FreibergiteAg6[Cu4Fe2]Sb4S13-x
CuCopper
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu ChalcopyriteCuFeS2
Cu BournonitePbCuSbS3
Cu FreibergiteAg6[Cu4Fe2]Sb4S13-x
Cu AktashiteCu6Hg3As4S12
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Zn Wurtzite(Zn,Fe)S
AsArsenic
As ArsenopyriteFeAsS
As RealgarAs4S4
As AktashiteCu6Hg3As4S12
As OrpimentAs2S3
AgSilver
Ag SilverAg
Ag Electrum(Au, Ag)
Ag Native Amalgam(Ag,Hg)
Ag FreibergiteAg6[Cu4Fe2]Sb4S13-x
SbAntimony
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Sb StibniteSb2S3
Sb BournonitePbCuSbS3
Sb BoulangeritePb5Sb4S11
Sb ZinkenitePb9Sb22S42
Sb JamesonitePb4FeSb6S14
Sb FreibergiteAg6[Cu4Fe2]Sb4S13-x
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
Au Electrum(Au, Ag)
HgMercury
Hg CinnabarHgS
Hg Native Amalgam(Ag,Hg)
Hg AktashiteCu6Hg3As4S12
PbLead
Pb GalenaPbS
Pb BournonitePbCuSbS3
Pb BoulangeritePb5Sb4S11
Pb ZinkenitePb9Sb22S42
Pb JamesonitePb4FeSb6S14

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

Ma



ID: 1570922
Canadian areas within quadrangles, southeast Alaska

Age: Anthropocene ( Ma)

Reference: Wilson, F.H., Hults, C.P., Mull, C.G, and Karl, S.M. (compilers). Geologic map of Alaska. doi: 10.3133/sim3340. U.S. Geological Survey Scientific Investigations Map 3340, pamphlet 196. [21]

Late Jurassic - Middle Jurassic
145 - 174.1 Ma



ID: 675501
Bowser Lake Group - Ritchie-Alger Assemblage

Age: Jurassic (145 - 174.1 Ma)

Stratigraphic Name: Bowser Lake Group

Description: Sandstone, sitstone, rare conglomerate

Comments: Evenchick, et al., 2001, Fossils and facies of the northern two-thirds of the Bowser Basin, British Columbia, OF 3956, GSC

Lithology: Sandstone, sitstone, rare conglomerate

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

Late Jurassic - Middle Jurassic
145 - 174.1 Ma



ID: 3413876
Bowser Lake Group - Ritchie-Alger assemblage

Age: Jurassic (145 - 174.1 Ma)

Stratigraphic Name: Bowser Lake Group

Description: Sandstone, sitstone, rare conglomerate

Comments: Overlap terrane; Bowser Basin

Lithology: Sandstone, siltstone, rare conglomerate

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]

Triassic
201.3 - 251.902 Ma



ID: 3191127
Mesozoic volcanic rocks

Age: Triassic (201.3 - 251.902 Ma)

Lithology: Volcanic 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]

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)
Economic Geology (1996) 91: 1098-1114.
Massey, N. W. D., Alldrick, D. J., & Lefebure, D. V. (1999). Potential for subaqueous hot-spring (Eskay Creek) deposits in British Columbia. British Columbia, Ministry of Energy and Mines, Energy and Minerals Division, Geological Survey Branch. Open File 1999-14
Grammatikopoulos, T. A., Roth, T., & Valeyev, O. (2005). Compositional variation in Hg-Ag-rich tetrahedrite from the polymetallic Eskay Creek deposit, British Columbia, Canada. Neues Jahrbuch für Mineralogie-Abhandlungen, 181(3), 281-292.
Grammatikopoulos, T. A. et al. (2006): Chemie der Erde 66, 307-314.


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