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:
Maskwa West Open Pit, Bird River Area, Manitoba, Canada

Oldest recorded age at locality: 2749.9
Youngest recorded age at locality: 2739.5

mindat Locality ID: 15784
mindat URL: http://www.mindat.org/loc-15784.html

Tectonic Settings:

Total number of sublocalities beneath "Maskwa West Open Pit, Bird River Area, Manitoba, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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: Al C Ca Cu Fe H Mg Ni O S Si 

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H Mg Ni O S Si 

Structural Groups for minerals in this locality: 
CalciteChalcopyriteClayCorundumMarcasiteMilleriteNickelineNoneOlivinePentlandite
PyriteSepioliteSerpentineSpinelTalc

18 IMA Minerals at location:
Calcite  (*)Chalcopyrite  (*)Chrysotile  (*)Dolomite  (*)Forsterite  (*)
Hematite  (*)Lizardite  (*)Magnesite  (*)Magnetite  (*)Marcasite  (*)
Millerite  (*)Pentlandite  (*)Pyrite  (*)Pyrrhotite  (*)Sepiolite  (*)
Spinel  (*)Talc  (*)Violarite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)2749.92739.5027770
Chalcopyrite  (*)ChalcopyriteCuFeS22749.92739.5027198
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)42749.92739.50951
Dolomite  (*)NoneCaMg(CO3)22749.92739.509895
Forsterite  (*)OlivineMg2(SiO4)2749.92739.501188
Hematite  (*)CorundumFe2O32749.92739.5014640
Lizardite  (*)Serpentine ClayMg3Si2O5(OH)42749.92739.50359
Magnesite  (*)CalciteMg(CO3)2749.92739.501487
Magnetite  (*)SpinelFe2+Fe3+2O42749.92739.5014899
Marcasite  (*)MarcasiteFeS22749.92739.505674
Millerite  (*)MilleriteNiS2749.92739.501066
Pentlandite  (*)Pentlandite(Ni,Fe)9S82749.92739.501512
Pyrite  (*)PyriteFeS22749.92739.5039462
Pyrrhotite  (*)NickelineFe7S82749.92739.509056
Sepiolite  (*)Sepiolite ClayMg4Si6O15(OH)2·6H2O2749.92739.50241
Spinel  (*)SpinelMgAl2O42749.92739.501934
Talc  (*)Clay TalcMg3Si4O10(OH)22749.92739.503337
Violarite  (*)SpinelFeNi2S42749.92739.50380



1 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
EMG18_41-000012749.92739.52744.7±5.2U-Pb zircon  YesZircon Ni, Cu25007Bird River Sill, Manitoba, CanadaBird River SillGood et al (2009)10.2113/gsemg.18.1-4.41EMG18_41 


SampleSource LocalityReference URL


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