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:
Tammela, Tavastia Proper, Finland

Oldest recorded age at locality: 1850
Youngest recorded age at locality: 1800

mindat Locality ID: 16431
mindat URL: http://www.mindat.org/loc-16431.html

Tectonic Settings:

Total number of sublocalities beneath "Tammela, Tavastia Proper, Finland": 14
Total number of bottom-level sublocalities: 12

Number of Child Localities: 10
Child Localities:
Härksaari Quarry
Heponiitynmäki
Hirvikallio
Kietyö
Kietyönmäki
Laurinmäki
Liesjärvi
Rajamäki
Sukula Pegmatites
Tilasinvuori

Latitude: 60°45'2"N
Longitude: 23°36'28"E
Decimal Degree (lat, lon): 60.750555555556,23.607777777778

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 As B Be Bi Ca Cl Cu F Fe H K Li Mg Mn Na Nb O P Pb S Si Sn Ta Ti W Y Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AndalusiteApatiteArsenicArsenopyriteBerylChalcopyriteClayColumbiteCorundumDumortierite
FeldsparLöllingiteMicaNickelineNoneNot in a structural groupOlivinePyritePyrochlorePyroxene
QuartzRocksaltRutileScheeliteSpinelStauroliteTapioliteTopazTourmalineTriplite

40 IMA Minerals at location:
Albite  (*)Andalusite  (*)Arsenopyrite  (*)Beryl  (*)Bismuth  (*)
Cassiterite  (*)Chalcopyrite  (*)Chlorapatite  (*)Chrysoberyl  (*)Columbite-(Fe)  (*)
Cordierite  (*)Dumortierite  (*)Elbaite  (*)Ferrisicklerite  (*)Ferronigerite-6N6S  (*)
Ferrowodginite  (*)Galena  (*)Heterosite  (*)Hydroxylapatite  (*)Ilmenite  (*)
Ixiolite  (*)Löllingite  (*)Microcline  (*)Muscovite  (*)Oxystannomicrolite  (*)
Petalite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Samarskite-(Y)  (*)
Scheelite  (*)Sicklerite  (*)Spinel  (*)Spodumene  (*)Staurolite  (*)
Tapiolite-(Fe)  (*)Topaz  (*)Triphylite  (*)Triplite  (*)Zinconigerite-2N1S  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)18501800650225,50226,50228,50229,50231,502348803
Andalusite  (*)AndalusiteAl2SiO51502241310
Arsenopyrite  (*)ArsenopyriteFeAsS18501800550228,50230,50232,50235,502379052
Beryl  (*)BerylBe3Al2Si6O1818501800450225,50228,50229,502354286
Bismuth  (*)ArsenicBi1502321966
Cassiterite  (*)RutileSnO218501800450226,50228,50232,502365171
Chalcopyrite  (*)ChalcopyriteCuFeS2350230,50232,5023727198
Chlorapatite  (*)ApatiteCa5(PO4)3Cl150226203
Chrysoberyl  (*)OlivineBeAl2O4250224,50226321
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O618501800250226,50228518
Cordierite  (*)BerylMg2Al4Si5O181502261008
Dumortierite  (*)DumortieriteAlAl6BSi3O18150226231
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)18501800150228520
Ferrisicklerite  (*)OlivineLi1-x(Fe3+,Mn2+)(PO4)18501800250226,50228108
Ferronigerite-6N6S  (*)None(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)1502265
Ferrowodginite  (*)ColumbiteFe2+Sn4+Ta2O815023216
Galena  (*)RocksaltPbS15023724243
Heterosite  (*)OlivineFe3+(PO4)18501800450224,50226,50228,50232204
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH150226367
Ilmenite  (*)CorundumFe2+Ti4+O3250231,502325433
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O2250224,50232148
Löllingite  (*)LöllingiteFeAs2150232762
Microcline  (*)FeldsparK(AlSi3O8)250226,502324924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2350224,50226,5023217380
Oxystannomicrolite  (*)PyrochloreSn2Ta2O6O1502321
Petalite  (*)Not in a structural groupLiAlSi4O10150226124
Pyrite  (*)PyriteFeS2250230,5023739462
Pyrrhotite  (*)NickelineFe7S8250230,502379056
Quartz  (*)QuartzSiO218501800750224,50226,50228,50232,50234,50235,5023761156
Samarskite-(Y)  (*)ColumbiteYFe3+Nb2O8250229,50232353
Scheelite  (*)ScheeliteCa(WO4)1502374894
Sicklerite  (*)OlivineLiMn2+(PO4)15022666
Spinel  (*)SpinelMgAl2O4185018001502281934
Spodumene  (*)PyroxeneLiAlSi2O618501800250226,50228688
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)18501800150228978
Tapiolite-(Fe)  (*)TapioliteFe2+Ta2O615023588
Topaz  (*)TopazAl2SiO4F21502261476
Triphylite  (*)OlivineLiFe2+(PO4)18501800350227,50228,50232313
Triplite  (*)TripliteMn2+2(PO4)F250224,50232233
Zinconigerite-2N1S  (*)NoneZnSn2Al12O22(OH)21502264



1 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
Scott-BGSF82_113-0001185018001850-1800 Age of intrusion      209555Kietyönmäki, Tammela, Tavastia Proper, FinlandKietyönmäkiTalikka and Vuori (2010) BGSF82_113P. 118


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...