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:
Polvijärvi, North Karelia, Finland


mindat Locality ID: 233388
mindat URL: http://www.mindat.org/loc-233388.html

Tectonic Settings:

Total number of sublocalities beneath "Polvijärvi, North Karelia, Finland": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Horsmanaho Talc Quarry
Lipasvaara Mine

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 Cr Cu Fe H K Mg Ni O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleCalciteChalcopyriteChloriteClayMicaNickelineNonePentlanditePyrite
PyroxeneSerpentineSpinelTalc

18 IMA Minerals at location:
Antigorite  (*)Calcite  (*)Chalcopyrite  (*)Chromite  (*)Chrysotile  (*)
Clinochlore  (*)Diopside  (*)Dolomite  (*)Graphite  (*)Magnesite  (*)
Magnetite  (*)Muscovite  (*)Pentlandite  (*)Phlogopite  (*)Pyrite  (*)
Pyrrhotite  (*)Talc  (*)Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)4149882708
Calcite  (*)CalciteCa(CO3)14988227770
Chalcopyrite  (*)ChalcopyriteCuFeS214988227198
Chromite  (*)SpinelFe2+Cr2O41498823902
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)4149882951
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)81498821756
Diopside  (*)PyroxeneCaMgSi2O61498824135
Dolomite  (*)NoneCaMg(CO3)21498829895
Graphite  (*)NoneC1498832812
Magnesite  (*)CalciteMg(CO3)1498821487
Magnetite  (*)SpinelFe2+Fe3+2O414988214899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)214988217380
Pentlandite  (*)Pentlandite(Ni,Fe)9S81498821512
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21498822273
Pyrite  (*)PyriteFeS2249882,4988339462
Pyrrhotite  (*)NickelineFe7S81498829056
Talc  (*)Clay TalcMg3Si4O10(OH)2249882,498833337
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)21498822562



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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