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:
Gillies Limit, 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: 213585
mindat URL: http://www.mindat.org/loc-213585.html

Tectonic Settings:

Total number of sublocalities beneath "Gillies Limit, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada": 12
Total number of bottom-level sublocalities: 12

Number of Child Localities: 12
Child Localities:
A Rex Flinn Shaft
Cleopatra Mine (HiHo)
Cordon Cobalt Occurrence
Hector Mine
Massie Shaft
Oxford Cobalt Mine (Consolidated Professor)
Provincial Mine
Sagdola Shaft
South Giroux Mine (Consolidated Professor)
Waldman Mine
Webb Shaft
Wyandoh Mine

Latitude: 47°21'54"N
Longitude: 79°41'16"W
Decimal Degree (lat, lon): 47.365,-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 Al As Bi C Ca Co Cu Fe H Mg Ni O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteArsenicCalciteChalcopyriteClinozoisiteCobaltiteCopperEpidoteLöllingiteNickeline
NonePerovskitePolybasitePyriteQuartzRocksaltSkutteruditeSphaleriteVivianite

18 IMA Minerals at location:
Acanthite  (*)Bismuth  (*)Calcite  (*)Chalcopyrite  (*)Cobaltite  (*)
Dolomite  (*)Epidote  (*)Erythrite  (*)Galena  (*)Nickeline  (*)
Polybasite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Safflorite  (*)
Silver  (*)Skutterudite  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S221120501337682793
Bismuth  (*)ArsenicBi2222.92215.9233768,337701966
Calcite  (*)CalciteCa(CO3)2222.9532633768,33770,33772,33775,33776,3377827770
Chalcopyrite  (*)ChalcopyriteCuFeS22222.9532433768,33769,33776,3377827198
Cobaltite  (*)CobaltiteCoAsS1034532133768966
Dolomite  (*)NoneCaMg(CO3)22222.95321337689895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2222.95321337728173
Erythrite  (*)VivianiteCo3(AsO4)2·8H2O1034532233768,33776814
Galena  (*)RocksaltPbS2222.9532333768,33772,3377824243
Nickeline  (*)NickelineNiAs1034532433768,33770,33773,33775633
Polybasite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]22112050133768716
Pyrite  (*)PyriteFeS22222.9532233769,3377839462
Pyrrhotite  (*)NickelineFe7S82222.9532233776,337789056
Quartz  (*)QuartzSiO22222.9532233772,3377561156
Safflorite  (*)LöllingiteCoAs21034532233775,33776317
Silver  (*)CopperAg22112050833768,33769,33770,33772,33773,33775,33776,337785186
Skutterudite  (*)Skutterudite PerovskiteCoAs31034532733768,33769,33770,33773,33775,33776,33778531
Sphalerite  (*)SphaleriteZnS2222.9532233772,3377621482



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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