Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Cobalt Lake Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada

Oldest recorded age at locality: 2222.9
Youngest recorded age at locality: 532

mindat Locality ID: 4616
mindat URL: http://www.mindat.org/loc-4616.html

Tectonic Settings: Continental Arc

Total number of sublocalities beneath "Cobalt Lake Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 47°23'21"N
Longitude: 79°41'16"W
Decimal Degree (lat, lon): 47.389166666667,-79.687777777778

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag As Bi C Ca Co H Ni O Pb S Sb 

Elements from minerals reported directly at this locality: Ag As Bi C Ca Co H Ni O Pb S Sb 

Structural Groups for minerals in this locality: 
AllargentumAragoniteArsenicCalciteCobaltiteCopperNickelineNonePerovskiteRocksalt
SkutteruditeVivianite

12 IMA Minerals at location:
Annabergite  (*)Aragonite  (*)Bismuth  (*)Breithauptite  (*)Calcite  (*)
Cobaltite  (*)Dyscrasite  (*)Galena  (*)Nickeline  (*)Silver  (*)
Skutterudite  (*)Stephanite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Annabergite  (*)VivianiteNi3(AsO4)2·8H2O2222.95320445
Aragonite  (*)AragoniteCa(CO3)2222.953203250
Bismuth  (*)ArsenicBi2222.92215.901966
Breithauptite  (*)NickelineNiSb10345320175
Calcite  (*)CalciteCa(CO3)2222.9532027770
Cobaltite  (*)CobaltiteCoAsS10345320966
Dyscrasite  (*)AllargentumAg3+xSb1-x (x ≈ 0.2)221120500180
Galena  (*)RocksaltPbS2222.9532024243
Nickeline  (*)NickelineNiAs10345320633
Silver  (*)CopperAg2211205005186
Skutterudite  (*)Skutterudite PerovskiteCoAs310345320531
Stephanite  (*)NoneAg5SbS4221120500586



17 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Emily0005312217.52217.5 U-Pbage of vein mineralizationrutile  YesRutile  58159Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaCobalt-Gowganda regionMarshall and Watkinson (2000) 10.2113/0090081EMG9_81 
Emily00053222172217 U-Pbage of vein mineralizationrutile  YesRutile  58159Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaCobalt-Gowganda regionMarshall and Watkinson (2000) 10.2113/0090081EMG9_81 
Co-00016171316991706±7Ar-Ar chlorite  Yes  8348Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaBeaver - Temiskaming mine No. 41 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-00017181518011808±7Ar-Ar chlorite  Yes  8348Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaBeaver - Temiskaming mine No. 41 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-00018185318351844±9Ar-Ar actinolite  YesActinolite  8348Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaBeaver - Temiskaming mine No. 41 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-00019189518771886±9Ar-Ar actinolite  YesActinolite  8348Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaBeaver - Temiskaming mine No. 37 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-00020191518971906±9Ar-Ar actinolite  YesActinolite  8348Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaBeaver - Temiskaming mine No. 37 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-00021194319271935±8Ar-Ar actinolite  YesActinolite  8348Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaBeaver - Temiskaming mine No. 41 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-00022206820502059±9Ar-ArThese ages are interpreted as the true age of the deposits in the Cobalt area as they are the least deformed.highchlorite  Yes Co, Ag8348Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaBeaver - Temiskaming mine No. 37 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507These ages are interpreted as the true age of the deposits in the Cobalt area as they are the least deformed.
Co-00023221121932202±9Ar-ArThese ages are interpreted as the true age of the deposits in the Cobalt area as they are the least deformed.highchlorite  Yes Co, Ag8348Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaBeaver - Temiskaming mine No. 37 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507These ages are interpreted as the true age of the deposits in the Cobalt area as they are the least deformed.
CJES23_1507_SCmine_01175317311742±11Ar-ArAr-Ar- integrated agek-feldspar  Yes  269047Century Silver (Cobalt Twentieth Century) Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaSilver Century mine, main veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
CJES23_1507_SCmine_02177117131742±29Ar-ArAr-Ar- integrated agek-feldspar  Yes  269047Century Silver (Cobalt Twentieth Century) Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaSilver Century mine, main veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
CJES23_1507_SCmine_03903885894±9Ar-ArAr-Ar- integrated ageactinolite  YesActinolite  269047Century Silver (Cobalt Twentieth Century) Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaSilver Century mine, main veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-00013103410241029±5Ar-Ar chlorite  YesBreithauptite, Cobaltite, Erythrite, Nickeline, Safflorite, SkutteruditeCo, Ni8196Silver Miller Mine (Pan Silver), Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaPan silver mine No. 01 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-00014538532535±3Ar-Ar k-feldspar  YesBreithauptite, Cobaltite, Erythrite, Nickeline, Safflorite, SkutteruditeCo, Ni8196Silver Miller Mine (Pan Silver), Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaPan silver mine No. 01 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-00015853837845±8Ar-Ar chlorite  YesBreithauptite, Cobaltite, Erythrite, Nickeline, Safflorite, SkutteruditeCo, Ni8196Silver Miller Mine (Pan Silver), Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaPan silver mine No. 01 veinAndrews et al. (1986)10.1139/e86-144CJES23_1507 
Co-001142222.92215.92219.4 (+3.6/-3.5)U-Pb    Yes Co, Ni, As, Ag, Bi5830Castle Mine (Castle-Trethewey Mine), Haultain Township, Gowganda Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, CanadaNipissing diabase, Castle mine, Gowganda, OntarioAndrews et al. (1986)10.1139/e86-144CJES_23_1507error is (+3.6/-3.5); age of Nipissing diabase, the Ni-Co-As-Ag-Bi veins are this age or younger


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