Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Siilinjärvi Mine, Siilinjärvi, Northern Savonia, Finland

Oldest recorded age at locality: 2615
Youngest recorded age at locality: 1810

mindat Locality ID: 22948
mindat URL: http://www.mindat.org/loc-22948.html

Tectonic Settings:

Total number of sublocalities beneath "Siilinjärvi Mine, Siilinjärvi, Northern Savonia, Finland": 0
Total number of bottom-level sublocalities: 0

Latitude: 63°6'43"N
Longitude: 27°43'59"E
Decimal Degree (lat, lon): 63.111944444444,27.733055555556
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Ba C Ca Ce Cu Fe H K Mg Na Nb O P S Si Sr Ti Zr 

Elements from minerals reported directly at this locality: Al Ba C Ca Ce Cu Fe H K Mg Na Nb O P S Si Sr Ti Zr 

Structural Groups for minerals in this locality: 
AeschyniteAmphiboleAragoniteBaryteCalciteChalcopyriteClayCovelliteCubaniteMica
MonaziteNickelineNonePyriteSerpentineSpinelValleriiteWurtziteZircon

21 IMA Minerals at location:
Antigorite  (*)Baryte  (*)Barytolamprophyllite  (*)Bornite  (*)Calcite  (*)
Chalcocite  (*)Chalcopyrite  (*)Covellite  (*)Cubanite  (*)Dolomite  (*)
Magnetite  (*)Monazite-(Ce)  (*)Nioboaeschynite-(Ce)  (*)Phlogopite  (*)Pyrite  (*)
Pyrrhotite  (*)Richterite  (*)Strontianite  (*)Tetraferriphlogopite  (*)Valleriite  (*)
Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)4261518100708
Baryte  (*)BaryteBa(SO4)26151810011547
Barytolamprophyllite  (*)None(BaK)Ti2Na3Ti(Si2O7)2O2(OH)226151810021
Bornite  (*)NoneCu5FeS42615181005516
Calcite  (*)CalciteCa(CO3)26151810027770
Chalcocite  (*)NoneCu2S2615181005707
Chalcopyrite  (*)ChalcopyriteCuFeS226151810027198
Covellite  (*)CovelliteCuS2615181004165
Cubanite  (*)Cubanite WurtziteCuFe2S3261518100802
Dolomite  (*)NoneCaMg(CO3)22615181009895
Magnetite  (*)SpinelFe2+Fe3+2O426151810014899
Monazite-(Ce)  (*)MonaziteCe(PO4)261518100945
Nioboaeschynite-(Ce)  (*)Aeschynite(Ce,Ca)(Nb,Ti)2(O,OH)626151810017
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21890181002273
Pyrite  (*)PyriteFeS226151810039462
Pyrrhotite  (*)NickelineFe7S82615181009056
Richterite  (*)AmphiboleNa(NaCa)Mg5Si8O22(OH)2232022400148
Strontianite  (*)AragoniteSr(CO3)261518100589
Tetraferriphlogopite  (*)MicaKMg3(Si3Fe3+)O10(OH)226151810027
Valleriite  (*)Valleriite2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2]261518100237
Zircon  (*)ZirconZr(SiO4)2615260305251


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0001099MAGMATIC STYLE: A 16 km long body of carbonatite, glimmerite and syenite, which may extend to 22 km, with a maximum width of about 1 km. It is tabular in form with a 70-90º dip ASSOCIATED SILICATE ROCKS: Glimmerite, syenite, fenite and lamprophyre dykes.
Jen_0001100MAGMATIC STYLE: A 16 km long body of carbonatite, glimmerite and syenite, which may extend to 22 km, with a maximum width of about 1 km. It is tabular in form with a 70-90º dip ASSOCIATED SILICATE ROCKS: Glimmerite, syenite, fenite and lamprophyre dykes.
Jen_0001101MAGMATIC STYLE: A 16 km long body of carbonatite, glimmerite and syenite, which may extend to 22 km, with a maximum width of about 1 km. It is tabular in form with a 70-90º dip ASSOCIATED SILICATE ROCKS: Glimmerite, syenite, fenite and lamprophyre dykes.


4 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Jen_0001099261526032609±6U-Pb zircon   Zircon  22948Siilinjärvi Mine, Siilinjärvi, Northern Savonia, FinlandSiilinjarviWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0001100189018101850±40K-Ar phlogopite   Phlogopite  22948Siilinjärvi Mine, Siilinjärvi, Northern Savonia, FinlandSiilinjarviWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0001101232022402280±40K-Ar richterite   Richterite  22948Siilinjärvi Mine, Siilinjärvi, Northern Savonia, FinlandSiilinjarviWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
ree-0034725802580Late Archean-- 2580 (U-Pb)U-Pb       22948Siilinjärvi Mine, Siilinjärvi, Northern Savonia, FinlandSiilinjarviOrris and Grauch (2002) USGSOFR02_189 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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