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Deer Horn Mine (Cross Lake O'Brien Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canadai
Regional Level Types
Deer Horn Mine (Cross Lake O'Brien Mine)Mine
Coleman TownshipTownship
Cobalt areaArea
Cobalt-Gowganda regionRegion
Timiskaming DistrictDistrict
OntarioProvince
CanadaCountry

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Key
Latitude & Longitude (WGS84):
47° 23' 27'' North , 79° 38' 43'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Temiskaming Shores10,442 (2010)12.6km
Ville-Marie2,831 (2016)17.2km
Saint-Bruno-de-Guigues2,928 (2016)18.1km


Staked in 1907, silver bearing veins were not discovered until 1923. the mine was developed by three shafts to a depth of 1,020ft. The mine was shut down sometime around 1970. Total production was approx. 19 million oz. of Ag; 700,000lbs of Co; 160,000lbs. Cu; and 32,000lbs. Ni

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


30 valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: geological survey of canada paper 73-13
Allargentum
Formula: (Ag1-xSbx)
Reference: Can Min (1971) 11:1-430 The Silver-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario
Arsenopyrite
Formula: FeAsS
Reference: geological survey of canada paper 73-13
Breithauptite
Formula: NiSb
Reference: geological survey of canada paper 73-13
Calcite
Formula: CaCO3
Reference: Ann P. Sabina (1974) Rocks and Minerals for the Collector: Cobalt-Belleferre-Timmins; Ontario and Quebec. Canadian Geological Survey Paper 73-13
Chalcopyrite
Formula: CuFeS2
Reference: Petruk (1971): The Silver-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario. Can. Mineral. 11, 198
Cobaltite
Formula: CoAsS
Reference: geological survey of canada paper 73-13
Dolomite
Formula: CaMg(CO3)2
Reference: Petruk (1971): The Silver-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario. Can. Mineral. 11, 232-262
Dyscrasite
Formula: Ag3Sb
Reference: Can Min (1971) 11:1-430 The Siler-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario
Erythrite
Formula: Co3(AsO4)2 · 8H2O
Reference: Rocks & Minerals 82:402-407
Galena
Formula: PbS
Reference: Petruk (1971): The Silver-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario. Can. Mineral. 11, 198
Gersdorffite
Formula: NiAsS
Reference: geological survey of canada paper 73-13
Goethite
Formula: α-Fe3+O(OH)
Reference: Ann P. Sabina (1974) Rocks and Minerals for the Collector: Cobalt-Belleferre-Timmins; Ontario and Quebec. Canadian Geological Survey Paper 73-13
Gypsum
Formula: CaSO4 · 2H2O
Reference: Ann P. Sabina (1974) Rocks and Minerals for the Collector: Cobalt-Belleferre-Timmins; Ontario and Quebec. Canadian Geological Survey Paper 73-13
Löllingite
Formula: FeAs2
Reference: geological survey of canada paper 73-13
Marcasite
Formula: FeS2
Reference: geological survey of canada paper 73-13
Nickeline
Formula: NiAs
Reference: geological survey of canada paper 73-13
Nickelskutterudite ?
Formula: (Ni,Co,Fe)As3
Reference: geological survey of canada paper 73-13
Proustite
Formula: Ag3AsS3
Reference: Reiner Mielke
Pyrargyrite
Formula: Ag3SbS3
Reference: Can Min (1971) 11:1-430 The Siler-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario
Pyrite
Formula: FeS2
Reference: Can Min (1971) 11:1-430 The Siler-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario
Pyrrhotite
Formula: Fe7S8
Reference: Can Min (1971) 11:1-430 The Siler-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario
Rammelsbergite
Formula: NiAs2
Reference: geological survey of canada paper 73-13
Safflorite
Formula: (Co,Ni,Fe)As2
Reference: geological survey of canada paper 73-13
Silver
Formula: Ag
Reference: Can Min (1971) 11:1-430 The Siler-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario
Skutterudite
Formula: CoAs3
Reference: geological survey of canada paper 73-13
Sphalerite
Formula: ZnS
Reference: Petruk (1971): The Silver-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario. Can. Mineral. 11, 198
Stephanite
Formula: Ag5SbS4
Reference: Can Min (1971) 11:1-430 The Siler-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario
Tetrahedrite
Formula: Cu6Cu4(Fe2+,Zn)2Sb4S12S
Reference: Can Min (1971) 11:1-430 The Siler-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario
Ullmannite
Formula: NiSbS
Reference: Petruk (1971): The Silver-Arsenide Deposits of the Cobalt-Gowganda Region, Ontario. Can. Mineral. 11, 185

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Allargentum2.AA.30(Ag1-xSbx)
Arsenopyrite2.EB.20FeAsS
Breithauptite2.CC.05NiSb
Chalcopyrite2.CB.10aCuFeS2
Cobaltite2.EB.25CoAsS
Dyscrasite2.AA.35Ag3Sb
Galena2.CD.10PbS
Gersdorffite2.EB.25NiAsS
Löllingite2.EB.15aFeAs2
Marcasite2.EB.10aFeS2
Nickeline2.CC.05NiAs
Nickelskutterudite ?2.EC.05(Ni,Co,Fe)As3
Proustite2.GA.05Ag3AsS3
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Rammelsbergite2.EB.15aNiAs2
Safflorite2.EB.15a(Co,Ni,Fe)As2
Skutterudite2.EC.05CoAs3
Sphalerite2.CB.05aZnS
Stephanite2.GB.10Ag5SbS4
Tetrahedrite2.GB.05Cu6Cu4(Fe2+,Zn)2Sb4S12S
Ullmannite2.EB.25NiSbS
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite8.CE.40Co3(AsO4)2 · 8H2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:1
Allargentum2.2.1.2(Ag1-xSbx)
Dyscrasite2.2.1.1Ag3Sb
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmXp, with m:p = 1:1
Breithauptite2.8.11.2NiSb
Galena2.8.1.1PbS
Nickeline2.8.11.1NiAs
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Cobaltite2.12.3.1CoAsS
Gersdorffite2.12.3.2NiAsS
Löllingite2.12.2.9FeAs2
Marcasite2.12.2.1FeS2
Nickelskutterudite ?2.12.17.2(Ni,Co,Fe)As3
Pyrite2.12.1.1FeS2
Rammelsbergite2.12.2.12NiAs2
Safflorite2.12.2.11(Co,Ni,Fe)As2
Skutterudite2.12.17.1CoAs3
Ullmannite2.12.3.3NiSbS
Group 3 - SULFOSALTS
ø = 4
Stephanite3.2.4.1Ag5SbS4
3 <ø < 4
Tetrahedrite3.3.6.1Cu6Cu4(Fe2+,Zn)2Sb4S12S
ø = 3
Proustite3.4.1.1Ag3AsS3
Pyrargyrite3.4.1.2Ag3SbS3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
A3(XO4)2·xH2O
Erythrite40.3.6.3Co3(AsO4)2 · 8H2O

List of minerals for each chemical element

HHydrogen
H ErythriteCo3(AsO4)2 · 8H2O
H GypsumCaSO4 · 2H2O
H Goethiteα-Fe3+O(OH)
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O ErythriteCo3(AsO4)2 · 8H2O
O GypsumCaSO4 · 2H2O
O Goethiteα-Fe3+O(OH)
MgMagnesium
Mg DolomiteCaMg(CO3)2
SSulfur
S UllmanniteNiSbS
S TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
S PyrargyriteAg3SbS3
S GalenaPbS
S SphaleriteZnS
S ChalcopyriteCuFeS2
S StephaniteAg5SbS4
S PyriteFeS2
S PyrrhotiteFe7S8
S CobaltiteCoAsS
S ArsenopyriteFeAsS
S AcanthiteAg2S
S MarcasiteFeS2
S GersdorffiteNiAsS
S ProustiteAg3AsS3
S GypsumCaSO4 · 2H2O
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
FeIron
Fe TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe LöllingiteFeAs2
Fe ArsenopyriteFeAsS
Fe MarcasiteFeS2
Fe Goethiteα-Fe3+O(OH)
Fe Nickelskutterudite(Ni,Co,Fe)As3
CoCobalt
Co SkutteruditeCoAs3
Co CobaltiteCoAsS
Co Safflorite(Co,Ni,Fe)As2
Co ErythriteCo3(AsO4)2 · 8H2O
Co Nickelskutterudite(Ni,Co,Fe)As3
NiNickel
Ni UllmanniteNiSbS
Ni RammelsbergiteNiAs2
Ni NickelineNiAs
Ni BreithauptiteNiSb
Ni GersdorffiteNiAsS
Ni Nickelskutterudite(Ni,Co,Fe)As3
CuCopper
Cu TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Cu ChalcopyriteCuFeS2
ZnZinc
Zn TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Zn SphaleriteZnS
AsArsenic
As LöllingiteFeAs2
As SkutteruditeCoAs3
As CobaltiteCoAsS
As RammelsbergiteNiAs2
As Safflorite(Co,Ni,Fe)As2
As ArsenopyriteFeAsS
As NickelineNiAs
As GersdorffiteNiAsS
As ErythriteCo3(AsO4)2 · 8H2O
As ProustiteAg3AsS3
As Nickelskutterudite(Ni,Co,Fe)As3
AgSilver
Ag SilverAg
Ag PyrargyriteAg3SbS3
Ag Allargentum(Ag1-xSbx)
Ag DyscrasiteAg3Sb
Ag StephaniteAg5SbS4
Ag AcanthiteAg2S
Ag ProustiteAg3AsS3
SbAntimony
Sb UllmanniteNiSbS
Sb TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Sb PyrargyriteAg3SbS3
Sb Allargentum(Ag1-xSbx)
Sb DyscrasiteAg3Sb
Sb StephaniteAg5SbS4
Sb BreithauptiteNiSb
PbLead
Pb GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
ontariominerals.com
Sabina, Ann P., 2000. Rocks and Minerals for the Collector: Cobalt-Belleterre-Timmins, Ontario and Quebec, GSC. Miscellaneous Report 57, 266 p.
Ontario Dept. of Mines, 1968, MRC No.10, Silver Cobalt Calcite Vein Deposits of Ontario, by A.O.Sergiades


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