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Juomasuo, Kuusamo, North Ostrobothnia, Finlandi
Regional Level Types
Juomasuo- not defined -
KuusamoMunicipality
North OstrobothniaRegion
FinlandCountry

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00064860017272028595755.jpg
Juomasuo Co-Au-U deposit

Juomasuo, Kuusamo, North Ostrobothnia, Finland
00064860017272028595755.jpg
Juomasuo Co-Au-U deposit

Juomasuo, Kuusamo, North Ostrobothnia, Finland
00064860017272028595755.jpg
Juomasuo Co-Au-U deposit

Juomasuo, Kuusamo, North Ostrobothnia, Finland
Latitude & Longitude (WGS84):
66° 17' 19'' North , 29° 11' 58'' East
Latitude & Longitude (decimal):
66.28861,29.19944
GRN:
N45E09
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Kuusamo17,400 (2014)35.8km
Mindat Locality ID:
9701
Long-form identifier:
mindat:1:2:9701:0
GUID (UUID V4):
0


Gold prospect 37 km N of Kuusamo.
The largest known gold deposit in the Palaeoproterozoic Kuusamo Schist Belt. It has been test mined, is under feasibility study by Polar Mining Oy, and presently (November 2006) has an in situ resource estimated as 3360 kg gold and 1550 t cobalt. The deposit is also enriched in Ag, Cu, Mo, Ni, REE and U.
Orogenic gold deposit with atypical metal association, is located in the Paleoproterozoic Kuusamo belt in northeastern Finland.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


31 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Altaite
Formula: PbTe
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calaverite
Formula: AuTe2
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Clausthalite
Formula: PbSe
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinochlore var. Ripidolite
Formula: (Mg,Fe,Al)6(Si,Al)4O10(OH)8
ⓘ Cobaltite
Formula: CoAsS
ⓘ Cobaltpentlandite
Formula: Co9S8
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Dolomite var. Iron-bearing Dolomite
Formula: Ca(Mg,Fe)(CO3)2
ⓘ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Frohbergite
Formula: FeTe2
ⓘ Galena
Formula: PbS
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Kawazulite
Formula: Bi2Te2Se
ⓘ Linnaeite
Formula: Co2+Co3+2S4
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Mattagamite
Formula: CoTe2
ⓘ Melonite
Formula: NiTe2
ⓘ Molybdenite
Formula: MoS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Rucklidgeite
Formula: PbBi2Te4
ⓘ Rutile
Formula: TiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Tellurobismuthite
Formula: Bi2Te3
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Uraninite
Formula: UO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘCobaltpentlandite2.BB.15Co9S8
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘAltaite2.CD.10PbTe
ⓘClausthalite2.CD.10PbSe
ⓘGalena2.CD.10PbS
ⓘLinnaeite2.DA.05Co2+Co3+2S4
ⓘKawazulite2.DC.05Bi2Te2Se
ⓘTellurobismuthite2.DC.05Bi2Te3
ⓘCalaverite2.EA.10AuTe2
ⓘMelonite2.EA.20NiTe2
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘFrohbergite2.EB.10aFeTe2
ⓘMattagamite2.EB.10aCoTe2
ⓘCobaltite2.EB.25CoAsS
ⓘRucklidgeite2.GC.40cPbBi2Te4
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
ⓘUraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘvar. Iron-bearing Dolomite5.AB.10Ca(Mg,Fe)(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘDravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘvar. Ripidolite9.EC.55(Mg,Fe,Al)6(Si,Al)4O10(OH)8
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BBoron
Bⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
Cⓘ DolomiteCaMg(CO3)2
Cⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ DolomiteCaMg(CO3)2
Oⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Oⓘ RutileTiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mgⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ CobaltiteCoAsS
Sⓘ CobaltpentlanditeCo9S8
Sⓘ GalenaPbS
Sⓘ LinnaeiteCo2+Co23+S4
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ DolomiteCaMg(CO3)2
Caⓘ ScheeliteCa(WO4)
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ FrohbergiteFeTe2
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
CoCobalt
Coⓘ CobaltiteCoAsS
Coⓘ CobaltpentlanditeCo9S8
Coⓘ LinnaeiteCo2+Co23+S4
Coⓘ MattagamiteCoTe2
NiNickel
Niⓘ MeloniteNiTe2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
AsArsenic
Asⓘ CobaltiteCoAsS
SeSelenium
Seⓘ ClausthalitePbSe
Seⓘ KawazuliteBi2Te2Se
MoMolybdenum
Moⓘ MolybdeniteMoS2
TeTellurium
Teⓘ AltaitePbTe
Teⓘ CalaveriteAuTe2
Teⓘ FrohbergiteFeTe2
Teⓘ KawazuliteBi2Te2Se
Teⓘ MattagamiteCoTe2
Teⓘ MeloniteNiTe2
Teⓘ RucklidgeitePbBi2Te4
Teⓘ TellurobismuthiteBi2Te3
WTungsten
Wⓘ ScheeliteCa(WO4)
AuGold
Auⓘ CalaveriteAuTe2
Auⓘ Native GoldAu
PbLead
Pbⓘ AltaitePbTe
Pbⓘ ClausthalitePbSe
Pbⓘ GalenaPbS
Pbⓘ RucklidgeitePbBi2Te4
BiBismuth
Biⓘ KawazuliteBi2Te2Se
Biⓘ RucklidgeitePbBi2Te4
Biⓘ TellurobismuthiteBi2Te3
UUranium
Uⓘ UraniniteUO2

Other Regions, Features and Areas containing this locality

Baltic Shield (Fennoscandian Shield)Shield
Eurasian PlateTectonic Plate
EuropeContinent
Finland/Russia

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

en.gtk.fi (n.d.) http://en.gtk.fi/informationservices/commodities/Gold/juomasuo.html
arkisto.gtk.fi (n.d.) http://arkisto.gtk.fi/abs/tr153abs.html
Vanhanen, Erkki (2001): Geology, mineralogy and geochemistry of the Fe-Co-Au-(U) deposits in the Paleoproterozoic Kuusamo Schist Belt, northeastern Finland. Geological Survey of Finland, Bulletin 399, 228 pp.
Vasilopoulos, M., Molnár, F., O’Brien, H., Lahaye, Y., Lefèbvre, M., Richard, A., ... & Talikka, M. (2021). Geochemical signatures of mineralizing events in the Juomasuo Au–Co deposit, Kuusamo belt, northeastern Finland. Mineralium Deposita, 56(6), 1195-1222.
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