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Metsämonttu mine, Kisko, Salo, Southwest Finland, Finlandi
Regional Level Types
Metsämonttu mineMine
KiskoMunicipality
SaloMunicipality
Southwest FinlandRegion
FinlandCountry

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Latitude & Longitude (WGS84):
60° 11' 26'' North , 23° 20' 34'' East
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Kisko1,958 (2014)9.1km
Perniö5,809 (2016)11.6km
Pohja5,257 (2014)14.7km
Muurla1,486 (2014)18.0km
Karjalohja1,657 (2014)21.4km
Mindat Locality ID:
9696
Long-form identifier:
mindat:1:2:9696:9
GUID (UUID V4):
0
Name(s) in local language(s):
Metsämonttu kaivos


Underground mine, closed. 11 km SW from Kisko, 25 km SE from the city of Salo.

The four small-sized Zn–Pb–Cu–Au–Ag former mines in the Aijala–Orijärvi area — Orijärvi, Aijala, Metsämonttu, and Iilijärvi — yielded a total production of < 4 Mt. The Aijala member, part of the Orijärvi formation, exhibits a stratigraphic thickness of approximately 2 km and serves as the host for all iron and base metal sulfide deposits in the region. The largest known base metal sulfide deposit is the Metsämonttu Zn–Pb–Cu–Au–Ag deposit described as an exhalative VMS deposit associated within felsic pyroclastic rocks, with a historical production of 1.5 Mt at 3.5 wt% Zn, 0.8 wt% Pb, 0.3 wt% Cu, 13.2 wt% S, 25 g/t Ag and 1.4 g/t Au during the period 1952–1974. The known base metal sulfide deposits are considered exhalative and stratabound, mainly hosted by carbonate rocks that are mostly altered to dolomitic marbles and tremolite-diopside skarn. The mineralization consists of several separate, narrow, lenticular ore bodies with a strike length of 300 m and maximum thickness of 20 m. The style of mineralization is dominantly breccia over massive type. The Metsämonttu Fault partitions the Metsämonttu deposit into distinct ore zones known as Old Metsämonttu and New Metsämonttu. The skarn units in Metsämonttu deposit can be divided into three subgroups: (1) diopside-tremolite skarns, (2) prehnite skarn and (3) carbonate skarn with accessory muscovite, chlorite, phlogopite, quartz and plagioclase.

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


38 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:

Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Almandine
Formula: Fe2+3Al2(SiO4)3
'Andorite'
Formula: AgPbSb3S6
Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Arsenopyrite
Formula: FeAsS
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Bornite
Formula: Cu5FeS4
Boulangerite
Formula: Pb5Sb4S11
Calcite
Formula: CaCO3
'Calcium Amphibole Subgroup'
Formula: AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'Calcium Amphibole Subgroup var. Hornblende'
Formula: AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Cubanite
Formula: CuFe2S3
Diopside
Formula: CaMgSi2O6
Dolomite
Formula: CaMg(CO3)2
'Feldspar Group'
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Geocronite
Formula: Pb14Sb6S23
Gudmundite
Formula: FeSbS
Ilmenite
Formula: Fe2+TiO3
Magnetite
Formula: Fe2+Fe3+2O4
Marcasite
Formula: FeS2
Meneghinite
Formula: Pb13CuSb7S24
Microcline
Formula: K(AlSi3O8)
Molybdenite
Formula: MoS2
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Native Antimony
Formula: Sb
Native Arsenic
Formula: As
Native Gold
Formula: Au
Native Gold var. Electrum
Formula: (Au,Ag)
Native Silver
Formula: Ag
'Olivine Group'
Formula: M2SiO4
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pyrargyrite
Formula: Ag3SbS3
Pyrite
Formula: FeS2
'Pyroxene Group'
Formula: ADSi2O6
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Ramdohrite
Formula: Pb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24
Rutile
Formula: TiO2
Sphalerite
Formula: ZnS
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Titanite
Formula: CaTi(SiO4)O
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold
var. Electrum
1.AA.05(Au,Ag)
1.AA.05Au
Native Silver1.AA.05Ag
Native Antimony1.CA.05Sb
Native Arsenic1.CA.05As
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Cubanite2.CB.55aCuFe2S3
Pyrrhotite2.CC.10Fe1-xS
Galena2.CD.10PbS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
Arsenopyrite2.EB.20FeAsS
Gudmundite2.EB.20FeSbS
Pyrargyrite2.GA.05Ag3SbS3
'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Meneghinite2.HB.05bPb13CuSb7S24
Boulangerite2.HC.15Pb5Sb4S11
Geocronite2.JB.30aPb14Sb6S23
Ramdohrite2.JB.40aPb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
Titanite9.AG.15CaTi(SiO4)O
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Diopside9.DA.15CaMgSi2O6
Anthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Unclassified
'Andorite'-AgPbSb3S6
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Feldspar Group'-
'Calcium Amphibole Subgroup
var. Hornblende'
-AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Pyroxene Group'-ADSi2O6
'Garnet Group'-X3Z2(SiO4)3
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Olivine Group'-M2SiO4
'Calcium Amphibole Subgroup'-AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
BBoron
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
O AlmandineFe32+Al2(SiO4)3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O CalciteCaCO3
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O DiopsideCaMgSi2O6
O DolomiteCaMg(CO3)2
O Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O PrehniteCa2Al2Si3O10(OH)2
O QuartzSiO2
O RutileTiO2
O TitaniteCaTi(SiO4)O
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O ZirconZr(SiO4)
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Pyroxene GroupADSi2O6
O Garnet GroupX3Z2(SiO4)3
O ApatiteCa5(PO4)3(Cl/F/OH)
O Olivine GroupM2SiO4
O Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
F ApatiteCa5(PO4)3(Cl/F/OH)
F Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
NaSodium
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg DiopsideCaMgSi2O6
Mg DolomiteCaMg(CO3)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Al AlmandineFe32+Al2(SiO4)3
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al PrehniteCa2Al2Si3O10(OH)2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Si AlmandineFe32+Al2(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si DiopsideCaMgSi2O6
Si Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si ZirconZr(SiO4)
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Pyroxene GroupADSi2O6
Si Garnet GroupX3Z2(SiO4)3
Si Olivine GroupM2SiO4
Si Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S AndoriteAgPbSb3S6
S ArsenopyriteFeAsS
S BorniteCu5FeS4
S BoulangeritePb5Sb4S11
S ChalcopyriteCuFeS2
S CubaniteCuFe2S3
S GalenaPbS
S GeocronitePb14Sb6S23
S GudmunditeFeSbS
S MarcasiteFeS2
S MeneghinitePb13CuSb7S24
S MolybdeniteMoS2
S PyrargyriteAg3SbS3
S PyriteFeS2
S PyrrhotiteFe1-xS
S RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24
S SphaleriteZnS
S Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
Cl Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca DolomiteCaMg(CO3)2
Ca Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Ca PrehniteCa2Al2Si3O10(OH)2
Ca TitaniteCaTi(SiO4)O
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe ArsenopyriteFeAsS
Fe AlmandineFe32+Al2(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe CubaniteCuFe2S3
Fe GudmunditeFeSbS
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu CubaniteCuFe2S3
Cu MeneghinitePb13CuSb7S24
Cu Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As Native ArsenicAs
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag AndoriteAgPbSb3S6
Ag Native Gold var. Electrum(Au,Ag)
Ag PyrargyriteAg3SbS3
Ag RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24
Ag Native SilverAg
CdCadmium
Cd RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24
InIndium
In RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24
SbAntimony
Sb AndoriteAgPbSb3S6
Sb Native AntimonySb
Sb BoulangeritePb5Sb4S11
Sb GeocronitePb14Sb6S23
Sb GudmunditeFeSbS
Sb MeneghinitePb13CuSb7S24
Sb PyrargyriteAg3SbS3
Sb RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24
Sb Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
AuGold
Au Native Gold var. Electrum(Au,Ag)
Au Native GoldAu
PbLead
Pb AndoriteAgPbSb3S6
Pb BoulangeritePb5Sb4S11
Pb GalenaPbS
Pb GeocronitePb14Sb6S23
Pb MeneghinitePb13CuSb7S24
Pb RamdohritePb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24

Other Regions, Features and Areas containing this locality

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