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:
Montcalm Township, Cochrane District, Ontario, Canada

Oldest recorded age at locality: 2710
Youngest recorded age at locality: 2700

mindat Locality ID: 259849
mindat URL: http://www.mindat.org/loc-259849.html

Tectonic Settings:

Total number of sublocalities beneath "Montcalm Township, Cochrane District, Ontario, Canada": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Montcalm Complex
Montcalm Mine

Latitude: 48°39'53"N
Longitude: 82°5'24"W
Decimal Degree (lat, lon): 48.664722222222,-82.09
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: Cu Fe Ni O S Si Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ChalcopyriteNickelineNonePentlanditePyriteSpinelZircon

7 IMA Minerals at location:
Chalcopyrite  (*)Magnetite  (*)Pentlandite  (*)Pyrite  (*)Pyrrhotite  (*)
Violarite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chalcopyrite  (*)ChalcopyriteCuFeS22704270013173427198
Magnetite  (*)SpinelFe2+Fe3+2O42704270013173414899
Pentlandite  (*)Pentlandite(Ni,Fe)9S8270427001317341512
Pyrite  (*)PyriteFeS22704270013173439462
Pyrrhotite  (*)NickelineFe7S8270427001317349056
Violarite  (*)SpinelFeNi2S427042700131734380
Zircon  (*)ZirconZr(SiO4)271027001317335251


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_680Basal Ni-Cu sulfides in mafic-ultramafic intrusion


2 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
EG105_1057_034271027002710-2700       Ni, Cu, Pt, Pd, Rh, Ir, Os, Ru259837Montcalm Complex, Montcalm Township, Cochrane District, Ontario, CanadaMontcalmBegg et al. (2010)10.2113/econgeo.105.6.1057EG105_1057 
Michelle_680270427002702±2 Age of deposit or general age of the metallogenic province     Ni, Cu259836Montcalm Mine, Montcalm Township, Cochrane District, Ontario, CanadaMontcalmHoatson et al. (2006)10.1016/j.oregeorev.2006.05.002OGR29_177See Table. 1 Global resources of nickel metal and ages of the major nickel sulfide deposits of the world. Age can refer to the age of a specific nickel sulfide deposit, or the general age of the metallogenic province containing nickel deposits that are similar to a dated deposit (e.g. 2705 Ma Komatiite-hosted deposits in the Eastern Goldfields Province).

SampleSource LocalityReference URL

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