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Ilomantsi, North Karelia, Finlandi
Regional Level Types
IlomantsiMunicipality
North KareliaRegion
FinlandCountry

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Neighbouring regions:
Locality type:Municipality
Largest Settlements:
PlacePopulation
Ilomantsi6,408 (2014)


A municipality in the former North Karelia region.

Select Mineral List Type

Standard Detailed Strunz Dana 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

63 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003; Lukonin, D. (2008). Archean and proterozoic gold deposits of the Fennoscandian shield. Masters thesis Luleå University of Technology
Albite
Formula: Na(AlSi3O8)
Localities: Reported from at least 6 localities in this region.
Altaite
Formula: PbTe
'Apatite'
Reference: Geological Survey of Finland 2008. Valkeasuo-Gold Database.
Argentopentlandite
Formula: Ag(Fe,Ni)8S8
Reference: Kojonen, Kari, Johanson, Bo and Pakkanen, Lassi (1991). Kelokorven malmiaiheiden malmimineragia ja petrografia. GTK raportti M 19/4244/-91/2/42
Arsenopyrite
Formula: FeAsS
Localities: Reported from at least 8 localities in this region.
Aurostibite
Formula: AuSb2
Reference: Geological Survey of Finland 2008. Pampalo(Ward)-Gold Database.
Bastnäsite-(Ce)
Formula: Ce(CO3)F
Reference: Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp (p.346)
'Biotite'
Bismuth
Formula: Bi
Localities: Reported from at least 6 localities in this region.
Bornite
Formula: Cu5FeS4
Reference: Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp. (p.73)
Calaverite
Formula: AuTe2
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 7 localities in this region.
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Reference: Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp (p.346)
'Chlorite Group'
Chromite
Formula: Fe2+Cr3+2O4
Reference: Geological Survey of Finland 2008. Pampalo(Ward)-Gold Database.
Cubanite
Formula: CuFe2S3
Dyscrasite
Formula: Ag3Sb
Reference: Kojonen, K., Johanson, B., O´Brien, H. E. and Pakkanen, L. (1993): Mineralogy of gold occurrences in the late archean Hattu schist belt, Ilomantsi, Eastern Finland. Geological Survey of Finland, Special Paper 17: 233-271.
'Electrum'
Formula: (Au, Ag)
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Feldspar Group'
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Reference: Stein, H.J., Sundblad, K., Markey, R.J., Morgan, J.W., Motuza, G. (1998): Mineralium Deposita 33, 329-345.
Frohbergite
Formula: FeTe2
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Gersdorffite
Formula: NiAsS
Reference: Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp (p.346)
Goethite
Formula: α-Fe3+O(OH)
Reference: Loukola-Ruskeeniemi, K. and Sorjonen-Ward, P. (eds.) ORE DEPOSITS IN EASTERN FINLAND. Geologian tutkimuskeskus, Opas — Geological Survey of Finland, Guide 42; Lukonin, D. (2008). Archean and proterozoic gold deposits of the Fennoscandian shield. Masters thesis Luleå University of Technology
Gold
Formula: Au
Localities: Reported from at least 9 localities in this region.
Grunerite
Formula: ☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2
Reference: Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp (p.346)
Hedleyite
Formula: Bi7Te3
Hematite
Formula: Fe2O3
Reference: Geological Survey of Finland 2008. Pampalo(Ward)-Gold Database.
Hessite
Formula: Ag2Te
Ilmenite
Formula: Fe2+TiO3
Localities: Reported from at least 6 localities in this region.
'K Feldspar'
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Geological Survey of Finland 2008. Rämepuro-Gold Database.
Mackinawite
Formula: (Fe,Ni)9S8
Localities: Reported from at least 6 localities in this region.
Magnetite
Formula: Fe2+Fe3+2O4
Marcasite
Formula: FeS2
Melonite
Formula: NiTe2
Reference: Kojonen Kari, Johanson Bo, O´Brien Hugh E. and Pakkanen Lassi 1993. Mineralogy of gold occurrences in the late archean Hattu schist belt, Ilomantsi, Eastern Finland. Geological Survey of Finland, Special Paper 17: 233-271.
Molybdenite
Formula: MoS2
Localities: Reported from at least 6 localities in this region.
Montbrayite
Formula: (Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 7 localities in this region.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Pampaloite (TL)
Formula: AuSbTe
Type Locality:
Description: Found in the drill core 315, depth 71.50 m
Reference: Vymazalová, A., Kojonen, K., Laufek, F., Johanson, B., Stanley, C.J., Plášil, J. and Halodová, P. (2018) Pampaloite, IMA 2017-096. CNMNC Newsletter No. 41, February 2018, page 184; European Journal of Mineralogy: 30: 183-186.
Pentlandite
Formula: (FexNiy)Σ9S8
Localities: Reported from at least 6 localities in this region.
Petzite
Formula: Ag3AuTe2
Powellite
Formula: Ca(MoO4)
Reference: Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp (p.346)
Pyrite
Formula: FeS2
Localities: Reported from at least 7 localities in this region.
Pyrrhotite
Formula: Fe7S8
Localities: Reported from at least 8 localities in this region.
Quartz
Formula: SiO2
Localities: Reported from at least 8 localities in this region.
Rucklidgeite
Formula: PbBi2Te4
Rutile
Formula: TiO2
Localities: Reported from at least 7 localities in this region.
Scheelite
Formula: Ca(WO4)
Localities: Reported from at least 8 localities in this region.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Kojonen, K., Johanson, B., O´Brien, H. E. and Pakkanen, L. (1993): Mineralogy of gold occurrences in the late archean Hattu schist belt, Ilomantsi, Eastern Finland. Geological Survey of Finland, Special Paper 17: 233-271.
Siderite
Formula: FeCO3
Sillimanite
Formula: Al2(SiO4)O
Reference: Geological Survey of Finland 2008. Valkeasuo-Gold Database.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp (p.346)
Sphalerite
Formula: ZnS
Localities: Reported from at least 7 localities in this region.
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Reference: Kojonen Kari, Johanson Bo, O´Brien Hugh E. and Pakkanen Lassi 1993. Mineralogy of gold occurrences in the late archean Hattu schist belt, Ilomantsi, Eastern Finland. Geological Survey of Finland, Special Paper 17: 233-271.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Kojonen, K., Johanson, B., O´Brien, H. E. and Pakkanen, L. (1993): Mineralogy of gold occurrences in the late archean Hattu schist belt, Ilomantsi, Eastern Finland. Geological Survey of Finland, Special Paper 17: 233-271.
Tellurium
Formula: Te
Reference: Geological Survey of Finland 2008. Pampalo(Ward)-Gold Database.
Tellurobismuthite
Formula: Bi2Te3
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: Geological Survey of Finland 2008. Pampalo(Ward)-Gold Database.
Titanite
Formula: CaTi(SiO4)O
Localities: Reported from at least 6 localities in this region.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Localities: Reported from at least 7 localities in this region.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Troilite
Formula: FeS
Reference: Kojonen, Kari, Johanson, Bo and Pakkanen, Lassi (1991). Kelokorven malmiaiheiden malmimineragia ja petrografia. GTK raportti M 19/4244/-91/2/42
Tsumoite
Formula: BiTe
Valleriite
Formula: (Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Reference: Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp (p.346)
Volynskite
Formula: AgBiTe2
Zircon
Formula: Zr(SiO4)
Reference: Kojonen Kari, Johanson Bo, O´Brien Hugh E. and Pakkanen Lassi 1993. Mineralogy of gold occurrences in the late archean Hattu schist belt, Ilomantsi, Eastern Finland. Geological Survey of Finland, Special Paper 17: 233-271.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Bismuth1.CA.05Bi
'Electrum'1.AA.05(Au, Ag)
Gold1.AA.05Au
Tellurium1.CC.10Te
Group 2 - Sulphides and Sulfosalts
Altaite2.CD.10PbTe
Argentopentlandite2.BB.15Ag(Fe,Ni)8S8
Arsenopyrite2.EB.20FeAsS
Aurostibite2.EB.05aAuSb2
Bornite2.BA.15Cu5FeS4
Calaverite2.EA.10AuTe2
Chalcopyrite2.CB.10aCuFeS2
Cubanite2.CB.55aCuFe2S3
Dyscrasite2.AA.35Ag3Sb
Frohbergite2.EB.10aFeTe2
Galena2.CD.10PbS
Gersdorffite2.EB.25NiAsS
Hedleyite2.DC.05Bi7Te3
Hessite2.BA.60Ag2Te
Mackinawite2.CC.25(Fe,Ni)9S8
Marcasite2.EB.10aFeS2
Melonite2.EA.20NiTe2
Molybdenite2.EA.30MoS2
Montbrayite2.DB.20(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Pentlandite2.BB.15(FexNiy)Σ9S8
Petzite2.BA.75Ag3AuTe2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Rucklidgeite2.GC.40cPbBi2Te4
Sphalerite2.CB.05aZnS
Tellurobismuthite2.DC.05Bi2Te3
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Troilite2.CC.10FeS
Tsumoite2.DC.05BiTe
Valleriite2.FD.30(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Volynskite2.JA.20AgBiTe2
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Bastnäsite-(Ce)5.BD.20aCe(CO3)F
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Ferrimolybdite7.GB.30Fe2(MoO4)3 · nH2O
Powellite7.GA.05Ca(MoO4)
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite9.FA.35Na(AlSi3O8)
Chamosite9.EC.55(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Grunerite9.DE.05☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Sillimanite9.AF.05Al2(SiO4)O
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Talc9.EC.05Mg3Si4O10(OH)2
Titanite9.AG.15CaTi(SiO4)O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-
'Chlorite Group'-
'Feldspar Group'-
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
Pampaloite (TL)-AuSbTe
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Semi-metals and non-metals
Bismuth1.3.1.4Bi
Tellurium1.3.4.2Te
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:1
Dyscrasite2.2.1.1Ag3Sb
AmBnXp, with (m+n):p = 2:1
Hessite2.4.2.1Ag2Te
Petzite2.4.3.3Ag3AuTe2
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 4:3
Hedleyite2.6.3.3Bi7Te3
Rucklidgeite2.6.2.7PbBi2Te4
AmBnXp, with (m+n):p = 9:8
Argentopentlandite2.7.1.2Ag(Fe,Ni)8S8
Mackinawite2.7.2.1(Fe,Ni)9S8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Altaite2.8.1.3PbTe
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
Troilite2.8.9.1FeS
Tsumoite2.8.20.1BiTe
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Cubanite2.9.13.1CuFe2S3
AmBnXp, with (m+n):p = 2:3
Montbrayite2.11.8.1(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Tellurobismuthite2.11.7.2Bi2Te3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Aurostibite2.12.1.11AuSb2
Calaverite2.12.13.2AuTe2
Frohbergite2.12.2.3FeTe2
Gersdorffite2.12.3.2NiAsS
Marcasite2.12.2.1FeS2
Melonite2.12.14.1NiTe2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Hydroxysulfides and Hydrated Sulfides
Valleriite2.14.1.1(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Group 3 - SULFOSALTS
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 2
Volynskite3.7.1.3AgBiTe2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Bastnäsite-(Ce)16a.1.1.1Ce(CO3)F
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Powellite48.1.2.2Ca(MoO4)
Scheelite48.1.2.1Ca(WO4)
Group 49 - HYDRATED MOLYBDATES AND TUNGSTATES
Hydrated Normal Molybdates and Tungstates
Ferrimolybdite49.2.1.1Fe2(MoO4)3 · nH2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Sillimanite52.2.2a.1Al2(SiO4)O
Staurolite52.2.3.1Fe2+2Al9Si4O23(OH)
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Chamosite71.4.1.7(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Apatite'-
'Biotite'-
'Chlorite Group'-
'Electrum'-(Au, Ag)
'Feldspar Group'-
'Garnet Group'-X3Z2(SiO4)3
Grunerite-☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2
'K Feldspar'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
Pampaloite (TL)-AuSbTe
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H FerrimolybditeFe2(MoO4)3 · nH2O
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H StauroliteFe22+Al9Si4O23(OH)
H TalcMg3Si4O10(OH)2
H Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
H Grunerite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
H Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
H LaumontiteCaAl2Si4O12 · 4H2O
H Goethiteα-Fe3+O(OH)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C CalciteCaCO3
C SideriteFeCO3
C Bastnäsite-(Ce)Ce(CO3)F
OOxygen
O RutileTiO2
O HematiteFe2O3
O IlmeniteFe2+TiO3
O ChromiteFe2+Cr23+O4
O MagnetiteFe2+Fe23+O4
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O Garnet GroupX3Z2(SiO4)3
O ScheeliteCa(WO4)
O TitaniteCaTi(SiO4)O
O QuartzSiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
O AlbiteNa(AlSi3O8)
O CalciteCaCO3
O SideriteFeCO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O FerrimolybditeFe2(MoO4)3 · nH2O
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O StauroliteFe22+Al9Si4O23(OH)
O ZirconZr(SiO4)
O TalcMg3Si4O10(OH)2
O Bastnäsite-(Ce)Ce(CO3)F
O Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
O Grunerite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
O PowelliteCa(MoO4)
O SpessartineMn32+Al2(SiO4)3
O Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
O LaumontiteCaAl2Si4O12 · 4H2O
O SillimaniteAl2(SiO4)O
O Goethiteα-Fe3+O(OH)
FFluorine
F Bastnäsite-(Ce)Ce(CO3)F
NaSodium
Na AlbiteNa(AlSi3O8)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Mg Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al AlbiteNa(AlSi3O8)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al StauroliteFe22+Al9Si4O23(OH)
Al Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Al SpessartineMn32+Al2(SiO4)3
Al Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Al LaumontiteCaAl2Si4O12 · 4H2O
Al SillimaniteAl2(SiO4)O
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si TitaniteCaTi(SiO4)O
Si QuartzSiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si AlbiteNa(AlSi3O8)
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si StauroliteFe22+Al9Si4O23(OH)
Si ZirconZr(SiO4)
Si TalcMg3Si4O10(OH)2
Si Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Si Grunerite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
Si SpessartineMn32+Al2(SiO4)3
Si LaumontiteCaAl2Si4O12 · 4H2O
Si SillimaniteAl2(SiO4)O
SSulfur
S ChalcopyriteCuFeS2
S PyrrhotiteFe7S8
S GalenaPbS
S SphaleriteZnS
S MolybdeniteMoS2
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S CubaniteCuFe2S3
S Mackinawite(Fe,Ni)9S8
S Pentlandite(FexNiy)Σ9S8
S PyriteFeS2
S MarcasiteFeS2
S ArsenopyriteFeAsS
S BorniteCu5FeS4
S GersdorffiteNiAsS
S Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
S TroiliteFeS
S ArgentopentlanditeAg(Fe,Ni)8S8
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca ScheeliteCa(WO4)
Ca TitaniteCaTi(SiO4)O
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca PowelliteCa(MoO4)
Ca LaumontiteCaAl2Si4O12 · 4H2O
TiTitanium
Ti RutileTiO2
Ti IlmeniteFe2+TiO3
Ti TitaniteCaTi(SiO4)O
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe ChalcopyriteCuFeS2
Fe PyrrhotiteFe7S8
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe FrohbergiteFeTe2
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe ChromiteFe2+Cr23+O4
Fe MagnetiteFe2+Fe23+O4
Fe CubaniteCuFe2S3
Fe Mackinawite(Fe,Ni)9S8
Fe Pentlandite(FexNiy)Σ9S8
Fe PyriteFeS2
Fe MarcasiteFeS2
Fe ArsenopyriteFeAsS
Fe SideriteFeCO3
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe FerrimolybditeFe2(MoO4)3 · nH2O
Fe BorniteCu5FeS4
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe StauroliteFe22+Al9Si4O23(OH)
Fe Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Fe Grunerite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
Fe Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Fe Goethiteα-Fe3+O(OH)
Fe TroiliteFeS
Fe ArgentopentlanditeAg(Fe,Ni)8S8
NiNickel
Ni Mackinawite(Fe,Ni)9S8
Ni Pentlandite(FexNiy)Σ9S8
Ni MeloniteNiTe2
Ni GersdorffiteNiAsS
Ni ArgentopentlanditeAg(Fe,Ni)8S8
CuCopper
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu CubaniteCuFe2S3
Cu BorniteCu5FeS4
Cu Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
As ArsenopyriteFeAsS
As GersdorffiteNiAsS
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
Mo FerrimolybditeFe2(MoO4)3 · nH2O
Mo PowelliteCa(MoO4)
AgSilver
Ag HessiteAg2Te
Ag PetziteAg3AuTe2
Ag Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Ag VolynskiteAgBiTe2
Ag Electrum(Au, Ag)
Ag DyscrasiteAg3Sb
Ag ArgentopentlanditeAg(Fe,Ni)8S8
SbAntimony
Sb PampaloiteAuSbTe
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Sb Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Sb AurostibiteAuSb2
Sb DyscrasiteAg3Sb
TeTellurium
Te PampaloiteAuSbTe
Te TellurobismuthiteBi2Te3
Te TsumoiteBiTe
Te FrohbergiteFeTe2
Te AltaitePbTe
Te HessiteAg2Te
Te PetziteAg3AuTe2
Te Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Te HedleyiteBi7Te3
Te CalaveriteAuTe2
Te VolynskiteAgBiTe2
Te RucklidgeitePbBi2Te4
Te TelluriumTe
Te MeloniteNiTe2
CeCerium
Ce Bastnäsite-(Ce)Ce(CO3)F
WTungsten
W ScheeliteCa(WO4)
AuGold
Au PampaloiteAuSbTe
Au GoldAu
Au PetziteAg3AuTe2
Au Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Au CalaveriteAuTe2
Au Electrum(Au, Ag)
Au AurostibiteAuSb2
PbLead
Pb GalenaPbS
Pb AltaitePbTe
Pb Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Pb RucklidgeitePbBi2Te4
BiBismuth
Bi TellurobismuthiteBi2Te3
Bi TsumoiteBiTe
Bi Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Bi HedleyiteBi7Te3
Bi VolynskiteAgBiTe2
Bi RucklidgeitePbBi2Te4
Bi BismuthBi

Geochronology

Mineralization age: Archean : 2858 Ma to 2683 Ma

Important note: This table is based only on rock and mineral ages recorded below 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
 Archean
  Neoarchean
ⓘ Pyrite (youngest age)2683 MaKuittila prospect, Ilomantsi, North Karelia, Finland
ⓘ Molybdenite (youngest age)2760 MaKivisuo prospect, Ilomantsi, North Karelia, Finland
  Mesoarchean
ⓘ Molybdenite (oldest age)2803 MaKivisuo prospect, Ilomantsi, North Karelia, Finland
ⓘ Pyrite (oldest age)2858 MaKuittila prospect, Ilomantsi, North Karelia, Finland

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp (mineral list on p.346)
Kojonen, K., Johanson, B., O´Brien, H. E. and Pakkanen, L. (1993): Mineralogy of gold occurrences in the late archean Hattu schist belt, Ilomantsi, Eastern Finland. Geological Survey of Finland, Special Paper 17: 233-271.

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