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:
Pyhäjärvi, North Ostrobothnia, Finland

Oldest recorded age at locality: 2500
Youngest recorded age at locality: 541

mindat Locality ID: 39644
mindat URL: http://www.mindat.org/loc-39644.html

Tectonic Settings:

Total number of sublocalities beneath "Pyhäjärvi, North Ostrobothnia, Finland": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Mullikkoräme
Pyhäsalmi Mine

Latitude: 63°40'59"N
Longitude: 25°59'0"E
Decimal Degree (lat, lon): 63.683055555556,25.983333333333

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 Au Ba Bi C Ca Cu Fe H K Mg Mo O Pb S Sb Si Te Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleArsenicArsenopyriteBaryteBerylBournoniteBrochantiteCalciteChalcopyriteClay
CopperCoronaditeCovelliteDiasporeGarnetGeocroniteMarcasiteMelanteriteMicaMolybdenite
NickelineNoneNot in a structural groupPyriteQuartzRocksaltSphaleriteSpinelTalcTetradymite

35 IMA Minerals at location:
Almandine  (*)Anthophyllite  (*)Arsenic  (*)Arsenopyrite  (*)Baryte  (*)
Bornite  (*)Bournonite  (*)Brochantite  (*)Calcite  (*)Chalcocite  (*)
Chalcopyrite  (*)Cordierite  (*)Covellite  (*)Dolomite  (*)Galena  (*)
Goethite  (*)Gold  (*)Hessite  (*)Jordanite  (*)Magnetite  (*)
Marcasite  (*)Melanterite  (*)Molybdenite  (*)Muscovite  (*)Phlogopite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Schwertmannite  (*)Seligmannite  (*)
Sillimanite  (*)Silver  (*)Sphalerite  (*)Talc  (*)Tellurobismuthite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Almandine  (*)GarnetFe2+3Al2(SiO4)325005411499402353
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)22500541149940718
Arsenic  (*)ArsenicAs2500541149940379
Arsenopyrite  (*)ArsenopyriteFeAsS25005411499409052
Baryte  (*)BaryteBa(SO4)2500541249939,4994011547
Bornite  (*)NoneCu5FeS425005411499405516
Bournonite  (*)BournoniteCuPbSbS325005411499401089
Brochantite  (*)BrochantiteCu4(SO4)(OH)625005411499401633
Calcite  (*)CalciteCa(CO3)250054114994027770
Chalcocite  (*)NoneCu2S25005411499405707
Chalcopyrite  (*)ChalcopyriteCuFeS22500541249939,4994027198
Cordierite  (*)BerylMg2Al4Si5O182500541249939,499401008
Covellite  (*)CovelliteCuS25005411499404165
Dolomite  (*)NoneCaMg(CO3)225005411499409895
Galena  (*)RocksaltPbS2500541249939,4994024243
Goethite  (*)DiasporeFeO(OH)25005411499407437
Gold  (*)CopperAu250054114994030554
Hessite  (*)NoneAg2Te2500541149940804
Jordanite  (*)GeocronitePb14As6S232500541149940105
Magnetite  (*)SpinelFe2+Fe3+2O42500541249939,4994014899
Marcasite  (*)MarcasiteFeS225005411499405674
Melanterite  (*)MelanteriteFe(SO4)·7H2O2500541149940915
Molybdenite  (*)MolybdeniteMoS225005411499405800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22500541249939,4994017380
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)225005411499392273
Pyrite  (*)PyriteFeS22500541249939,4994039462
Pyrrhotite  (*)NickelineFe7S82500541249939,499409056
Quartz  (*)QuartzSiO22500541249939,4994061156
Schwertmannite  (*)CoronaditeFe3+16O16(OH)9.6(SO4)3.2·10H2O250054114994037
Seligmannite  (*)BournoniteCuPbAsS3250054114994064
Sillimanite  (*)Not in a structural groupAl2SiO525005411499401516
Silver  (*)CopperAg25005411499405186
Sphalerite  (*)SphaleriteZnS2500541249939,4994021482
Talc  (*)Clay TalcMg3Si4O10(OH)22500541249939,499403337
Tellurobismuthite  (*)TetradymiteBi2Te32500541149940276



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
vms-004802500541Proterozoic        13126Pyhäsalmi Mine, Pyhäjärvi, North Ostrobothnia, FinlandPyhasalmiMoiser et al. (2009) USGSOFR2009-1034 


SampleSource LocalityReference URL


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