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:
Juomasuo, Kuusamo, North Ostrobothnia, Finland

Oldest recorded age at locality: 2100
Youngest recorded age at locality: 1800

mindat Locality ID: 9701
mindat URL: http://www.mindat.org/loc-9701.html

Tectonic Settings: Continental Extension

Total number of sublocalities beneath "Juomasuo, Kuusamo, North Ostrobothnia, Finland": 0
Total number of bottom-level sublocalities: 0

Latitude: 66°17'19"N
Longitude: 29°11'58"E
Decimal Degree (lat, lon): 66.288611111111,29.199444444444

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 Au Bi C Ca Co Cu Fe H K Mg Mo Na Ni O Pb S Se Si Te Ti U W 

Elements from minerals reported directly at this locality: Al As Au Bi C Ca Co Cu Fe H K Mg Mo Na Ni O Pb S Se Si Te Ti U W 

Structural Groups for minerals in this locality: 
ChalcopyriteClayCobaltiteCopperCorundumFeldsparFluoriteMarcasiteMeloniteMica
MolybdeniteNickelineNonePentlanditePyriteQuartzRocksaltRutileScheeliteSpinel
Tetradymite

27 IMA Minerals at location:
Albite  (*)Altaite  (*)Calaverite  (*)Chalcopyrite  (*)Clausthalite  (*)
Cobaltite  (*)Cobaltpentlandite  (*)Dolomite  (*)Frohbergite  (*)Galena  (*)
Gold  (*)Ilmenite  (*)Kawazulite  (*)Linnaeite  (*)Magnetite  (*)
Mattagamite  (*)Melonite  (*)Molybdenite  (*)Muscovite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Rucklidgeite  (*)Rutile  (*)Scheelite  (*)
Tellurobismuthite  (*)Uraninite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)2100190008803
Altaite  (*)RocksaltPbTe210019000489
Calaverite  (*)MeloniteAuTe2210019000361
Chalcopyrite  (*)ChalcopyriteCuFeS221001900027198
Clausthalite  (*)RocksaltPbSe210019000281
Cobaltite  (*)CobaltiteCoAsS210019000966
Cobaltpentlandite  (*)PentlanditeCo9S821001900082
Dolomite  (*)NoneCaMg(CO3)22100190009895
Frohbergite  (*)MarcasiteFeTe221001900040
Galena  (*)RocksaltPbS21001900024243
Gold  (*)CopperAu21001900030554
Ilmenite  (*)CorundumFe2+Ti4+O32100190005433
Kawazulite  (*)TetradymiteBi2Te2Se21001900032
Linnaeite  (*)SpinelCo2+Co3+2S4210019000249
Magnetite  (*)SpinelFe2+Fe3+2O421001900014899
Mattagamite  (*)MarcasiteCoTe22100190007
Melonite  (*)MeloniteNiTe2210019000207
Molybdenite  (*)MolybdeniteMoS22100190005800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)221001900017380
Pyrite  (*)PyriteFeS221001900039462
Pyrrhotite  (*)NickelineFe7S82100190009056
Quartz  (*)QuartzSiO221001900061156
Rucklidgeite  (*)TetradymitePbBi2Te421001900064
Rutile  (*)RutileTiO22100190005614
Scheelite  (*)ScheeliteCa(WO4)2100190004894
Tellurobismuthite  (*)TetradymiteBi2Te3210019000276
Uraninite  (*)FluoriteUO22100190002718



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
Emily00053919001800  mineralization   Yes sulfides10223Kuusamo, North Ostrobothnia, FinlandKuusamo districtPankka et al. (1992)10.1016/0301-9268(92)90126-9PR58_387 
Kristen00203321001900         9701Juomasuo, Kuusamo, North Ostrobothnia, FinlandJuomasuoGaál and Sundblad (1990)10.1007/BF00205257MD25_S104 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...