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:
Kortejärvi, Pudasjärvi, North Ostrobothnia, Finland

Oldest recorded age at locality: 1950
Youngest recorded age at locality: 1800

mindat Locality ID: 265768
mindat URL: http://www.mindat.org/loc-265768.html

Tectonic Settings:

Total number of sublocalities beneath "Kortejärvi, Pudasjärvi, North Ostrobothnia, Finland": 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 Ce F Fe H K Mg Na O S Si Zr 

Elements from minerals reported directly at this locality: Al C Ca Ce F Fe H K Mg Na O S Si Zr 

Structural Groups for minerals in this locality: 
AllaniteAmphiboleBastnäsiteCalciteClayEpidoteMicaNonePyritePyroxene
Smectite-vermiculiteSpinelZircon

15 IMA Minerals at location:
Actinolite  (*)Allanite-(Ce)  (*)Bastnäsite-(Ce)  (*)Calcite  (*)Diopside  (*)
Dolomite  (*)Edenite  (*)Magnetite  (*)Phlogopite  (*)Pyrite  (*)
Richterite  (*)Saponite  (*)Siderite  (*)Tremolite  (*)Zircon  (*)
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)21950180003419
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)195018000706
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F195018000304
Calcite  (*)CalciteCa(CO3)19501800027770
Diopside  (*)PyroxeneCaMgSi2O61950180004135
Dolomite  (*)NoneCaMg(CO3)21950180009895
Edenite  (*)AmphiboleNaCa2Mg5(Si7Al)O22(OH)2195018000160
Magnetite  (*)SpinelFe2+Fe3+2O419501800014899
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21950180002273
Pyrite  (*)PyriteFeS219501800039462
Richterite  (*)AmphiboleNa(NaCa)Mg5Si8O22(OH)2195018000148
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O195018000301
Siderite  (*)CalciteFe(CO3)1950180006417
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)21950180002562
Zircon  (*)ZirconZr(SiO4)1950180005251



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0001068MAGMATIC STYLE: Does not outcrop. Drilling and aeromagnetics appear to indicate a 2 km long body from 30 to 60 m wide. ASSOCIATED SILICATE ROCKS: Glimmerite and olivine-magnetite rock (phoscorite?)


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
Jen_0001068195018001875±75K-Ar phlogopite   Phlogopite  265768Kortejärvi, Pudasjärvi, North Ostrobothnia, FinlandKortejärviWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...