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:
Kotalahti, Leppävirta, Northern Savonia, Finland

Oldest recorded age at locality: 1883
Youngest recorded age at locality: 1860

mindat Locality ID: 253736
mindat URL: http://www.mindat.org/loc-253736.html

Tectonic Settings:

Total number of sublocalities beneath "Kotalahti, Leppävirta, Northern Savonia, Finland": 0
Total number of bottom-level sublocalities: 0

Latitude: 62°34'49"N
Longitude: 27°36'34"E
Decimal Degree (lat, lon): 62.580277777778,27.609444444444

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 As Ca Cr Cu Fe H Mg Ni O S Si Ti 

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

Structural Groups for minerals in this locality: 
AmphiboleChalcopyriteCorundumGarnetMilleriteNickelineNonePentlanditePyriteSpinel

17 IMA Minerals at location:
Actinolite  (*)Andradite  (*)Bornite  (*)Chalcopyrite  (*)Cummingtonite  (*)
Ilmenite  (*)Mackinawite  (*)Magnetite  (*)Millerite  (*)Gersdorffite-Pa3  (*)
Pentlandite  (*)Pyrite  (*)Pyrrhotite  (*)Tremolite  (*)Troilite  (*)
Tschermakite  (*)Uvarovite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)21883186003419
Andradite  (*)GarnetCa3Fe3+2(SiO4)31883186001534
Bornite  (*)NoneCu5FeS41883186005516
Chalcopyrite  (*)ChalcopyriteCuFeS218831860027198
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)2188318600327
Ilmenite  (*)CorundumFe2+Ti4+O31883186005433
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)188318600451
Magnetite  (*)SpinelFe2+Fe3+2O418831860014899
Millerite  (*)MilleriteNiS1883186001066
Gersdorffite-Pa3  (*)PyriteNiAsS188318600767
Pentlandite  (*)Pentlandite(Ni,Fe)9S81883186001512
Pyrite  (*)PyriteFeS218831860039462
Pyrrhotite  (*)NickelineFe7S81883186009056
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)21883186002562
Troilite  (*)NoneFeS1883186001044
Tschermakite  (*)Amphibole   Ca2(Mg3Al2)(Si6Al2)O22(OH)218831860073
Uvarovite  (*)GarnetCa3Cr2(SiO4)3188318600212



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_693Basal 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_019188018601880-1860       Ni, Cu, Pt, Pd, Rh, Ir, Os, Ru253736Kotalahti, Leppävirta, Northern Savonia, FinlandKotalahtiBegg et al. (2010)10.2113/econgeo.105.6.1057EG105_1057 
Michelle_693188318831883 Age of deposit or general age of the metallogenic province     Ni, Cu253736Kotalahti, Leppävirta, Northern Savonia, FinlandKotalahtiHoatson 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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