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Kemi Intrusion, Lapland, Finlandi
Regional Level Types
Kemi IntrusionIntrusion
LaplandRegion
FinlandCountry

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PhotosSearch
04339670017272028415504.jpg
Old open pit

Kemi Mine, Keminmaa, Lapland, Finland
06856480017272028416732.jpg
Comveyor belt

Kemi Mine, Keminmaa, Lapland, Finland
01863590017474543805777.jpg
Chromite, etc.

Kemi Mine, Keminmaa, Lapland, Finland
04339670017272028415504.jpg
Old open pit

Kemi Mine, Keminmaa, Lapland, Finland
06856480017272028416732.jpg
Comveyor belt

Kemi Mine, Keminmaa, Lapland, Finland
08132090017434536359161.jpg
Chromite, etc.

Kemi Mine, Keminmaa, Lapland, Finland
04339670017272028415504.jpg
Old open pit

Kemi Mine, Keminmaa, Lapland, Finland
06856480017272028416732.jpg
Comveyor belt

Kemi Mine, Keminmaa, Lapland, Finland
Type:
Intrusion
Age:
2440 ± 160 Ma
Geologic Time:
Siderian
Dating method:
Pb-Pb whole rock
Reference for age:
Manhes et al 1980
Largest Settlements:
PlacePopulation
Kemi22,641 (2014)
Museums in region:
Kemi Jalokivigalleriaa (Kemi)
Mindat Locality ID:
309476
Long-form identifier:
mindat:1:2:309476:4
GUID (UUID V4):
0


A layered intrusion consisting of a series of basic rocks and cumulates, including an economic deposit of chromitite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

28 valid minerals.

Rock Types Recorded

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

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinochlore var. Chromium-bearing Clinochlore
Formula: Mg5(Al,Cr)2Si3O10(OH)8
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Enstatite var. Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
ⓘ Erlichmanite
Formula: OsS2
ⓘ Hematite
Formula: Fe2O3
ⓘ Hollingworthite
Formula: (Rh,Pt,Pd)AsS
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
ⓘ Laurite
Formula: RuS2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Maucherite
Formula: Ni11As8
ⓘ Millerite
Formula: NiS
ⓘ Moncheite
Formula: Pt(Te,Bi)2
ⓘ Osmium
Formula: (Os,Ir,Ru)
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Rutile
Formula: TiO2
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ 'UM1992-13-O:IrPt'
Formula: (Ir,Pt)O2
ⓘ Uvarovite
Formula: Ca3Cr2(SiO4)3

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘOsmium1.AF.05(Os,Ir,Ru)
Group 2 - Sulphides and Sulfosalts
ⓘMaucherite2.AB.15Ni11As8
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘMillerite2.CC.20NiS
ⓘMoncheite2.EA.20Pt(Te,Bi)2
ⓘErlichmanite2.EB.05aOsS2
ⓘLaurite2.EB.05aRuS2
ⓘPyrite2.EB.05aFeS2
ⓘHollingworthite2.EB.25(Rh,Pt,Pd)AsS
ⓘIrarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4
ⓘUvarovite9.AD.25Ca3Cr2(SiO4)3
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘvar. Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
ⓘDiopside9.DA.15CaMgSi2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘvar. Chromium-bearing Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Chlorite Group'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'UM1992-13-O:IrPt'-(Ir,Pt)O2

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ CalciteCaCO3
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ HematiteFe2O3
Oⓘ IlmeniteFe2+TiO3
Oⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ RutileTiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ UvaroviteCa3Cr2(SiO4)3
Oⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ UM1992-13-O:IrPt(Ir,Pt)O2
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ UvaroviteCa3Cr2(SiO4)3
Siⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ ErlichmaniteOsS2
Sⓘ Hollingworthite(Rh,Pt,Pd)AsS
Sⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Sⓘ LauriteRuS2
Sⓘ MilleriteNiS
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ UvaroviteCa3Cr2(SiO4)3
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Crⓘ UvaroviteCa3Cr2(SiO4)3
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
NiNickel
Niⓘ MaucheriteNi11As8
Niⓘ MilleriteNiS
Niⓘ Pentlandite(NixFey)Σ9S8
CuCopper
Cuⓘ ChalcopyriteCuFeS2
AsArsenic
Asⓘ Hollingworthite(Rh,Pt,Pd)AsS
Asⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Asⓘ MaucheriteNi11As8
RuRuthenium
Ruⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Ruⓘ LauriteRuS2
Ruⓘ Osmium(Os,Ir,Ru)
RhRhodium
Rhⓘ Hollingworthite(Rh,Pt,Pd)AsS
Rhⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
PdPalladium
Pdⓘ Hollingworthite(Rh,Pt,Pd)AsS
TeTellurium
Teⓘ MoncheitePt(Te,Bi)2
OsOsmium
Osⓘ ErlichmaniteOsS2
Osⓘ Osmium(Os,Ir,Ru)
IrIridium
Irⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Irⓘ Osmium(Os,Ir,Ru)
Irⓘ UM1992-13-O:IrPt(Ir,Pt)O2
PtPlatinum
Ptⓘ Hollingworthite(Rh,Pt,Pd)AsS
Ptⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Ptⓘ MoncheitePt(Te,Bi)2
Ptⓘ UM1992-13-O:IrPt(Ir,Pt)O2
BiBismuth
Biⓘ MoncheitePt(Te,Bi)2

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Localities in this Region

Finland

Other Regions, Features and Areas that Intersect

Baltic Shield (Fennoscandian Shield)Shield
Eurasian PlateTectonic Plate

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

HÄRME, M., (1949). On the stratigraphical and structural geology of the Kemi area, northern Finland. Comm. Gèol. Finlande Bull. 147, 60 p. Geological Survey of Finland, Guide 51a T. T. Alapieti and A. J. Kärki eds. 31
ALAPIETI, T. T., (1982) The Koillismaa layered igneous complex Finland - its structure, mineralogy and geochemistry, with emphasis on the distribution of chromium: Finland Geol. Survey Bull. 319, 116 p.
ALAPIETI, T.T., KUJANPÄÄ, J., LAHTI- NEN, J.J. and PAPUNEN H., (1989). The Kemi stratiform chromitite deposit, northern Finland. Econ. Geol. 84:1057-1077.
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