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Trethewey Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canadai
Regional Level Types
Trethewey MineMine
Coleman TownshipTownship
Cobalt areaMining Area
Cobalt-Gowganda regionRegion
Timiskaming DistrictDistrict
OntarioProvince
CanadaCountry

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Latitude & Longitude (WGS84):
47° 24' 0'' North , 79° 41' 7'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Temiskaming Shores10,442 (2010)10.7km
Saint-Bruno-de-Guigues2,928 (2016)20.4km
Ville-Marie2,831 (2016)20.4km
Englehart1,685 (2008)48.3km
Mindat Locality ID:
25409
Long-form identifier:
mindat:1:2:25409:3
GUID (UUID V4):
64f8601b-a553-4954-a7d4-83d6b99aaa57


A silver mine discovered in 1904 by W.G.Threthwey. It was operated by various companies (1906-1956) as an underground mine by 6 shafts, the deepest being 186ft. Total produced to the end of 1956 was 7,260,000 oz. Ag and 217,000lbs Co. It was later mined by Agnico with a large open pit that mined through the old workings.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


9 valid minerals.

Detailed Mineral List:

β“˜ Bismuth
Formula: Bi
β“˜ Calcite
Formula: CaCO3
β“˜ Cobaltite
Formula: CoAsS
β“˜ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Nickeline
Formula: NiAs
β“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
β“˜ Safflorite
Formula: (Co,Ni,Fe)As2
β“˜ Silver
Formula: Ag
β“˜ Skutterudite
Formula: CoAs3

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Silver1.AA.05Ag
β“˜Bismuth1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
β“˜Nickeline2.CC.05NiAs
β“˜Safflorite2.EB.15a(Co,Ni,Fe)As2
β“˜Cobaltite2.EB.25CoAsS
β“˜Skutterudite2.EC.05CoAs3
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 9 - Silicates
β“˜Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
β“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ CalciteCaCO3
Oβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
NaSodium
Naβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
Alβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SSulfur
Sβ“˜ CobaltiteCoAsS
KPotassium
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ CalciteCaCO3
Caβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FeIron
Feβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feβ“˜ Safflorite(Co,Ni,Fe)As2
CoCobalt
Coβ“˜ CobaltiteCoAsS
Coβ“˜ Safflorite(Co,Ni,Fe)As2
Coβ“˜ SkutteruditeCoAs3
NiNickel
Niβ“˜ NickelineNiAs
Niβ“˜ Safflorite(Co,Ni,Fe)As2
AsArsenic
Asβ“˜ CobaltiteCoAsS
Asβ“˜ NickelineNiAs
Asβ“˜ Safflorite(Co,Ni,Fe)As2
Asβ“˜ SkutteruditeCoAs3
AgSilver
Agβ“˜ SilverAg
BiBismuth
Biβ“˜ BismuthBi

Other Databases

Ontario Canada Geological SurveyMinfile:MDI31M05NE00078

Other Regions, Features and Areas containing this locality

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

 
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