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

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Key
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Latitude & Longitude (WGS84):
47° 21' 43'' North , 79° 38' 22'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Temiskaming Shores10,442 (2010)15.7km
Ville-Marie2,831 (2016)15.9km
Saint-Bruno-de-Guigues2,928 (2016)19.4km


The Beaver Mine was originally worked between 1907 and 1940 by Beaver Consolidated Mines Ltd. The property was developed by two shafts (the deepest being 1600 feet) and 8.5 miles of drifts and crosscuts. The vein system on the Beaver property occupied an area of approx. 400 x 800 X 1600 feet and extended south into the adjacent Timiskaming property. The mine last produced in 1940, with total production from 1907-1940 being approx. 7.1 million oz. of silver and 140,000 lbs. of cobalt.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


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

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Marshall, D. D., Diamond, L. W., & Skippen, G. B. (1993). Silver transport and deposition at Cobalt, Ontario, Canada; fluid inclusion evidence. Economic Geology, 88(4), 837-854.
Allargentum (TL)
Formula: (Ag1-xSbx)
Type Locality:
Reference: RAMDOHR, P. (1949): Neue Erzmineralien. Fortschritte der Mineralogie 28, 69-70 (abstr.). RAMDOHR, P. (1950): Die Erzmineralien und ihre Verwachsungen. Akademie-Verlag, Berlin, Germany. PETRUK, W., CABRI, L.J., HARRIS, D.C., STEWART, J.M. & CLARK, A.M. (1970): Allargentum redefined. Canadian Mineralogist 10, 163-172.
Arsenopyrite
Formula: FeAsS
Reference: Reiner Mielke; Marshall, D. (2008). Economic Geology Models 2. Melt Inclusions of Native Silver and Native Bismuth: A Re-examination of Possible Mechanisms for Metal Enrichment in Five-Element Deposits. Geoscience Canada, 35(3-4).
'Axinite Group'
Reference: Reiner Mielke; Marshall, D. D., Diamond, L. W., & Skippen, G. B. (1993). Silver transport and deposition at Cobalt, Ontario, Canada; fluid inclusion evidence. Economic Geology, 88(4), 837-854.; Marshall, D. (2008). Economic Geology Models 2. Melt Inclusions of Native Silver and Native Bismuth: A Re-examination of Possible Mechanisms for Metal Enrichment in Five-Element Deposits. Geoscience Canada, 35(3-4).
Bismuth
Formula: Bi
Reference: Marshall, D. (2008). Economic Geology Models 2. Melt Inclusions of Native Silver and Native Bismuth: A Re-examination of Possible Mechanisms for Metal Enrichment in Five-Element Deposits. Geoscience Canada, 35(3-4).
Calcite
Formula: CaCO3
Reference: Marshall, D. D., Diamond, L. W., & Skippen, G. B. (1993). Silver transport and deposition at Cobalt, Ontario, Canada; fluid inclusion evidence. Economic Geology, 88(4), 837-854.
Chalcopyrite
Formula: CuFeS2
Reference: Reiner Mielke
'Chlorite Group'
Reference: Marshall, D. D., Diamond, L. W., & Skippen, G. B. (1993). Silver transport and deposition at Cobalt, Ontario, Canada; fluid inclusion evidence. Economic Geology, 88(4), 837-854.
Dolomite
Formula: CaMg(CO3)2
Reference: A.Debnam
Galena
Formula: PbS
Reference: Reiner Mielke
Harmotome
Formula: (Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
Reference: Trail,R.J. 1980, Catalogue of Canadian Minerals, GSC Paper 80-18
'Hornblende'
Reference: Knight, Cyril W. (1922). Geology of The Mine Workings of Cobalt and South Lorraine Areas; Thirty - First Annual Report of the Ontario Department of Mines, Vol. 21, Pt.2, P. 149.
Nickeline
Formula: NiAs
Reference: Reiner Mielke
Pyrite
Formula: FeS2
Reference: Knight, Cyril W. (1922). Geology of The Mine Workings of Cobalt and South Lorraine Areas; Thirty - First Annual Report of the Ontario Department of Mines, Vol. 21, Pt.2, P. 151.
Quartz
Formula: SiO2
Reference: Marshall, D. D., Diamond, L. W., & Skippen, G. B. (1993). Silver transport and deposition at Cobalt, Ontario, Canada; fluid inclusion evidence. Economic Geology, 88(4), 837-854.
Rammelsbergite
Formula: NiAs2
Reference: Reiner Mielke
Silver
Formula: Ag
Reference: [www.johnbetts-fineminerals.com]; Marshall, D. D., Diamond, L. W., & Skippen, G. B. (1993). Silver transport and deposition at Cobalt, Ontario, Canada; fluid inclusion evidence. Economic Geology, 88(4), 837-854.
Sphalerite
Formula: ZnS
Reference: Reiner Mielke
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: Reiner Mielke
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Marshall, D. D., Diamond, L. W., & Skippen, G. B. (1993). Silver transport and deposition at Cobalt, Ontario, Canada; fluid inclusion evidence. Economic Geology, 88(4), 837-854.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Bismuth1.CA.05Bi
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Allargentum (TL)2.AA.30(Ag1-xSbx)
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Nickeline2.CC.05NiAs
Pyrite2.EB.05aFeS2
Rammelsbergite2.EB.15aNiAs2
Sphalerite2.CB.05aZnS
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Harmotome9.GC.10(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Axinite Group'-
'Chlorite Group'-
'Hornblende'-

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
Semi-metals and non-metals
Bismuth1.3.1.4Bi
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:1
Allargentum (TL)2.2.1.2(Ag1-xSbx)
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Nickeline2.8.11.1NiAs
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
Pyrite2.12.1.1FeS2
Rammelsbergite2.12.2.12NiAs2
Group 3 - SULFOSALTS
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Harmotome77.1.3.5(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Axinite Group'-
'Chlorite Group'-
'Hornblende'-

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O QuartzSiO2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O CalciteCaCO3
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
O DolomiteCaMg(CO3)2
NaSodium
Na Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
SiSilicon
Si QuartzSiO2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
SSulfur
S GalenaPbS
S SphaleriteZnS
S ChalcopyriteCuFeS2
S ArsenopyriteFeAsS
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S PyriteFeS2
KPotassium
K Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca CalciteCaCO3
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
Ca DolomiteCaMg(CO3)2
FeIron
Fe ChalcopyriteCuFeS2
Fe ArsenopyriteFeAsS
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe PyriteFeS2
NiNickel
Ni RammelsbergiteNiAs2
Ni NickelineNiAs
CuCopper
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
As ArsenopyriteFeAsS
As RammelsbergiteNiAs2
As NickelineNiAs
AgSilver
Ag Allargentum(Ag1-xSbx)
Ag SilverAg
SbAntimony
Sb Allargentum(Ag1-xSbx)
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
BaBarium
Ba Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
PbLead
Pb GalenaPbS
BiBismuth
Bi BismuthBi

Geochronology

Mineralization age: Paleoproterozoic : 2211 Ma to 1699 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Precambrian
 Proterozoic
  Paleoproterozoic
   Statherian
ⓘ Chlorite Group (youngest age)1699 Ma
   Orosirian
ⓘ Actinolite (youngest age)1835 Ma
ⓘ Actinolite (oldest age)1943 Ma
   Rhyacian
ⓘ Chlorite Group (oldest age)2211 Ma

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

Siderian
2300 - 2500 Ma



ID: 3185030
Paleoproterozoic sedimentary rocks

Age: Siderian (2300 - 2500 Ma)

Stratigraphic Name: Cobalt Group

Comments: Southern Province

Lithology: Mudstone

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]

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 623145
Mafic to intermediate metavolcanic rocks

Age: Archean (2500 - 3200 Ma)

Comments: Superior Province

Lithology: Basaltic and andesitic flows, tuffs and breccias, chert, iron formation, minor metasedimentary and intrusive rocks, related migmatites

Reference: Ontario Geological Survey. 1:250 000 scale bedrock geology of Ontario. ISBN 978-1-4435-5705-4. Miscellaneous Release–Data 126 - Revision 1. [1]

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)
Knight, Cyril W. (1922) Geology of The Mine Workings of Cobalt and South Lorraine Areas. Thirty - First Annual Report of the Ontario Department of Mines, Vol. 21, Pt.2, P. 145 - 152.
Ramdohr, P. (1949) Neue Erzmineralien. Fortschritte der Mineralogie 28, 69-70 (abstract).
Ramdohr, P. (1950) Die Erzmineralien und ihre Verwachsungen. Akademie-Verlag, Berlin, Germany.
Sergiades, A.O. (1968) Silver Cobalt Calcite Vein Deposits of Ontario. Ontario Department of Mines Mineral Resources Circular 10, 498 pp.
Petruk, W., Cabri, L.J., Harris, D.C., Stewart, J.M., and Clark, A.M. (1970) Allargentum redefined. Canadian Mineralogist, 10, 163-172.
Sabina, A.P. (2000) Rocks and Minerals for the Collector: Cobalt-Belleterre-Timmins, Ontario and Quebec, GSC. Miscellaneous Report 57, 266 pp.


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