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Otanmäki granite, Kajaani, Kainuu, Finlandi
Regional Level Types
Otanmäki graniteComplex
KajaaniMunicipality
KainuuRegion
FinlandCountry

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PhotosMapsSearch
05138180014947439957922.jpg
Ilmenite, etc.

Otanmäki Mine, Otanmäki granite, Kajaani, Kainuu, Finland
08832060014946248515716.jpg
Titanium-bearing Magnetite, etc.

Otanmäki Mine, Otanmäki granite, Kajaani, Kainuu, Finland
05138180014947439957922.jpg
Ilmenite, etc.

Otanmäki Mine, Otanmäki granite, Kajaani, Kainuu, Finland
08832060014946248515716.jpg
Titanium-bearing Magnetite, etc.

Otanmäki Mine, Otanmäki granite, Kajaani, Kainuu, Finland
05138180014947439957922.jpg
Ilmenite, etc.

Otanmäki Mine, Otanmäki granite, Kajaani, Kainuu, Finland
08832060014946248515716.jpg
Titanium-bearing Magnetite, etc.

Otanmäki Mine, Otanmäki granite, Kajaani, Kainuu, Finland
Latitude & Longitude (WGS84):
64° 6' 38'' North , 27° 6' 24'' East
Latitude & Longitude (decimal):
64.11060,27.10683
GeoHash:
G#: ue7k8yfx6
GRN:
N43E09
Locality type:
Complex
Köppen climate type:
Dfc : Subarctic climate


Peralkaline gneissose granite is interspersed with amphibolites, gabbro and gneisses in a complex structural setting.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

21 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:

ⓘ Aegirine
Formula: NaFe3+Si2O6
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ Albite
Formula: Na(AlSi3O8)
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ 'Allanite Group'
Formula: {A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
Reference: Thair Al-Ani! and Olli Sarapää (2013) REE-Rich Accessory Minerals in Carbonatitic, Alkaline, Appinitic and Metasomatichydrothermal Rocks, Central and Northern Finland. Geologian tutkimuskeskus, Tutkimusraportti 198 – Geological Survey of Finland, Report of Investigation 198, Pentti Hölttä (ed.) pp 17-21
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ 'Bastnäsite'
Formula: (Ce/Nd/Y/REE)(CO3)F
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ Calcite
Formula: CaCO3
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ Chalcopyrite
Formula: CuFeS2
Reference: http://en.gtk.fi/ExplorationFinland/Moreinfo/otanmaki.html; B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ 'Chlorite Group'
Reference: http://en.gtk.fi/ExplorationFinland/Moreinfo/otanmaki.html; B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Thair Al-Ani! and Olli Sarapää (2013) REE-Rich Accessory Minerals in Carbonatitic, Alkaline, Appinitic and Metasomatichydrothermal Rocks, Central and Northern Finland. Geologian tutkimuskeskus, Tutkimusraportti 198 – Geological Survey of Finland, Report of Investigation 198, Pentti Hölttä (ed.) pp 17-21
ⓘ Danalite
Formula: Be3Fe2+4(SiO4)3S
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ 'Fergusonite'
Description: U rich
Reference: Thair Al-Ani! and Olli Sarapää (2013) REE-Rich Accessory Minerals in Carbonatitic, Alkaline, Appinitic and Metasomatichydrothermal Rocks, Central and Northern Finland. Geologian tutkimuskeskus, Tutkimusraportti 198 – Geological Survey of Finland, Report of Investigation 198, Pentti Hölttä (ed.) pp 17-21
ⓘ Fergusonite-(Y)
Formula: YNbO4
Reference: Thair Al-Ani! and Olli Sarapää (2013) REE-Rich Accessory Minerals in Carbonatitic, Alkaline, Appinitic and Metasomatichydrothermal Rocks, Central and Northern Finland. Geologian tutkimuskeskus, Tutkimusraportti 198 – Geological Survey of Finland, Report of Investigation 198, Pentti Hölttä (ed.) pp 17-21
ⓘ Fluorite
Formula: CaF2
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ Hematite
Formula: Fe2O3
Reference: B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ 'Hornblende'
Reference: http://en.gtk.fi/ExplorationFinland/Moreinfo/otanmaki.html; B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
trans.png
Ilmenite, etc.

Otanmäki Mine, Otanmäki granite, Kajaani, Kainuu, Finland
ⓘ Ilmenite
Formula: Fe2+TiO3
Reference: Mining Ann. Review (1985):79,96,506.; http://en.gtk.fi/ExplorationFinland/Moreinfo/otanmaki.html; B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University Al-Ani, Thair, Ferenc Molnár, Panu Lintinen, and Seppo Leinonen. (2018) "Geology and Mineralogy of Rare Earth Elements Deposits and Occurrences in Finland" Minerals 8, no. 8: 356. https://doi.org/10.3390/min8080356
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Reference: E. Aurola: The Mines and Quarries of Finland. Helsinki, 1954.; http://en.gtk.fi/ExplorationFinland/Moreinfo/otanmaki.html; B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University Al-Ani, Thair, Ferenc Molnár, Panu Lintinen, and Seppo Leinonen. (2018) "Geology and Mineralogy of Rare Earth Elements Deposits and Occurrences in Finland" Minerals 8, no. 8: 356. https://doi.org/10.3390/min8080356
ⓘ Marcasite
Formula: FeS2
Reference: B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ Microcline
Formula: K(AlSi3O8)
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ 'Monazite'
Formula: REE(PO4)
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Reference: http://en.gtk.fi/ExplorationFinland/Moreinfo/otanmaki.html; B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ Pyrite
Formula: FeS2
Reference: http://en.gtk.fi/ExplorationFinland/Moreinfo/otanmaki.html; B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ Pyrrhotite
Formula: Fe1-xS
Reference: http://en.gtk.fi/ExplorationFinland/Moreinfo/otanmaki.html; B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ Quartz
Formula: SiO2
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ Siegenite
Formula: CoNi2S4
Reference: B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ Thorite
Formula: Th(SiO4)
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.
ⓘ Titanite
Formula: CaTi(SiO4)O
Reference: E. Aurola: The Mines and Quarries of Finland. Helsinki, 1954.; B.K., WELCH (1958) THE OCCURRENCE MD PARAGENESIS OP THE ORES OP TITANIUM. PhD Thesis Durham University
ⓘ Ulvöspinel
Formula: TiFe2O4
ⓘ Zircon
Formula: Zr(SiO4)
Reference: Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘPyrite2.EB.05aFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘSiegenite2.DA.05CoNi2S4
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘUlvöspinel4.BB.05TiFe2O4
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘFergusonite-(Y)7.GA.05YNbO4
Group 9 - Silicates
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘDanalite9.FB.10Be3Fe2+4(SiO4)3S
ⓘEpidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘThorite9.AD.30Th(SiO4)
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘZircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
ⓘ'Allanite Group'-{A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Bastnäsite'-(Ce/Nd/Y/REE)(CO3)F
ⓘ'Chlorite Group'-
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Fergusonite'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Hornblende'-
ⓘ'Monazite'-REE(PO4)
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Hⓘ Allanite Group{A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
BeBeryllium
Beⓘ DanaliteBe3Fe42+(SiO4)3S
CCarbon
Cⓘ CalciteCaCO3
Cⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
OOxygen
Oⓘ UlvöspinelTiFe2O4
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ HematiteFe2O3
Oⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Oⓘ Fergusonite-(Y)YNbO4
Oⓘ Allanite Group{A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
Oⓘ MicroclineK(AlSi3O8)
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ AegirineNaFe3+Si2O6
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ CalciteCaCO3
Oⓘ MonaziteREE(PO4)
Oⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Oⓘ DanaliteBe3Fe42+(SiO4)3S
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ThoriteTh(SiO4)
Oⓘ ZirconZr(SiO4)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ FluoriteCaF2
Fⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ AegirineNaFe3+Si2O6
AlAluminium
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Siⓘ Allanite Group{A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ AegirineNaFe3+Si2O6
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ DanaliteBe3Fe42+(SiO4)3S
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ ThoriteTh(SiO4)
Siⓘ ZirconZr(SiO4)
PPhosphorus
Pⓘ MonaziteREE(PO4)
SSulfur
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ ChalcopyriteCuFeS2
Sⓘ MarcasiteFeS2
Sⓘ SiegeniteCoNi2S4
Sⓘ DanaliteBe3Fe42+(SiO4)3S
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ MicroclineK(AlSi3O8)
CaCalcium
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Caⓘ CalciteCaCO3
Caⓘ FluoriteCaF2
TiTitanium
Tiⓘ UlvöspinelTiFe2O4
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Feⓘ UlvöspinelTiFe2O4
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ MarcasiteFeS2
Feⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Feⓘ AegirineNaFe3+Si2O6
Feⓘ DanaliteBe3Fe42+(SiO4)3S
CoCobalt
Coⓘ SiegeniteCoNi2S4
NiNickel
Niⓘ SiegeniteCoNi2S4
CuCopper
Cuⓘ ChalcopyriteCuFeS2
YYttrium
Yⓘ Fergusonite-(Y)YNbO4
Yⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Fergusonite-(Y)YNbO4
CeCerium
Ceⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
NdNeodymium
Ndⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
ThThorium
Thⓘ ThoriteTh(SiO4)

Geochronology

Mineralization age: Paleoproterozoic : 2050 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Precambrian
 Proterozoic
  Paleoproterozoic
   Orosirian
ⓘ Zircon2050 Ma

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Woolley A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe, p.317
Marmo, V., Hoffren, V., Hytonen, K., Kallio, P., Lindholm, O. & Sivola, J. 1966. On the granites of Honkamaki & Otanmaki, Finland, with special reference to the mineralogy of accessories. Bulletin de la Comission Geologique de Finlande, 221, 1-34.

Localities in this Region

Finland

Other Regions, Features and Areas containing this locality

Baltic Shield (Fennoscandian Shield)Shield
Eurasian PlateTectonic Plate
EuropeContinent

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.
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