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Siilinjärvi Carbonatite Intrusion, Siilinjärvi, North Savo, Finlandi
Regional Level Types
Siilinjärvi Carbonatite IntrusionIntrusion
SiilinjärviMunicipality
North SavoRegion
FinlandCountry

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Latitude & Longitude (WGS84):
63° 1' North , 27° 44' East
Latitude & Longitude (decimal):
Age:
2617 ± 9.6 to 2594 ± 13 Ma
Geologic Time:
Dating method:
U-Pb and Pb-Pb
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Siilinjärvi20,209 (2014)8.1km
Kuopio89,104 (2014)14.1km
Maaninka3,638 (2015)26.7km
Nilsiä6,474 (2015)27.5km
Vehmersalmi1,889 (2014)32.1km
Mindat Locality ID:
345120
Long-form identifier:
mindat:1:2:345120:8
GUID (UUID V4):
46b2a058-a221-4ed3-8a4c-89d8d783fd64


Carbonatite intrusion of unusual form c. 16 km long from north to south, but is less than 1 km wide over most of its length (Puustinen 1971). Scattered outcrops to the north indicate that it may have a length of as much as 22 km.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 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
References:
Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
References:
Albite
Formula: Na(AlSi3O8)
References:
'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Calcite
Formula: CaCO3
References:
'Columbite-(Fe)-Columbite-(Mn) Series'
References:
Dolomite
Formula: CaMg(CO3)2
References:
'Feldspar Group'
References:
'Feldspar Group var. Perthite'
References:
'Fergusonite'
References:
Magnetite
Formula: Fe2+Fe3+2O4
References:
'Mica Group'
References:
Microcline
Formula: K(AlSi3O8)
References:
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
References:
Pyrite
Formula: FeS2
References:
'Pyroxene Group'
Formula: ADSi2O6
References:
Quartz
Formula: SiO2
References:
'Rhombohedral Carbonate'
Formula: (Ca/Mg/Fe/Mn etc)CO3
References:
Richterite
Formula: Na(NaCa)Mg5(Si8O22)(OH)2
References:
Tetraferriphlogopite
Formula: KMg3(Fe3+Si3O10)(OH,F)2
References:
Titanite
Formula: CaTi(SiO4)O
References:
Zircon
Formula: Zr(SiO4)
References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Zircon9.AD.30Zr(SiO4)
Titanite9.AG.15CaTi(SiO4)O
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Richterite9.DE.20Na(NaCa)Mg5(Si8O22)(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Tetraferriphlogopite9.EC.20KMg3(Fe3+Si3O10)(OH,F)2
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Feldspar Group'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Feldspar Group
var. Perthite'
-
'Mica Group'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Pyroxene Group'-ADSi2O6
'Fergusonite'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Rhombohedral Carbonate'-(Ca/Mg/Fe/Mn etc)CO3

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 BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
H TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
H ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
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 CalciteCaCO3
O DolomiteCaMg(CO3)2
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O PhlogopiteKMg3(AlSi3O10)(OH)2
O QuartzSiO2
O RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
O TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
O TitaniteCaTi(SiO4)O
O ZirconZr(SiO4)
O Pyroxene GroupADSi2O6
O ApatiteCa5(PO4)3(Cl/F/OH)
O Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
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
F TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na AlbiteNa(AlSi3O8)
Na RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg DolomiteCaMg(CO3)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Mg TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Mg Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
AlAluminium
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
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 MicroclineK(AlSi3O8)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
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 MicroclineK(AlSi3O8)
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si QuartzSiO2
Si RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Si TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
Si Pyroxene GroupADSi2O6
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyriteFeS2
ClChlorine
Cl Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K PhlogopiteKMg3(AlSi3O10)(OH)2
K TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Ca TitaniteCaTi(SiO4)O
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
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 TitaniteCaTi(SiO4)O
MnManganese
Mn Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Fe Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
ZrZirconium
Zr ZirconZr(SiO4)

Geochronology

Mineralization age: Neoarchean to Statherian : 2580 ± 200 Ma to 1790 ± 30 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
   Statherian
ⓘ Phlogopite (youngest age)1790 ± 30 Ma
   Orosirian
ⓘ Phlogopite (oldest age)2030 ± 30 Ma
   Rhyacian
ⓘ Actinolite2260 ± 42 Ma
ⓘ Richterite (youngest age)2280 ± 40 Ma
    
  
 Archean
  Neoarchean
ⓘ Richterite (oldest age)2530 ± 45 Ma
ⓘ Søvite2580 ± 200 Ma

Other Regions, Features and Areas containing this locality


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

 
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