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:
Offerdal, Krokom, Jämtland County, Sweden


mindat Locality ID: 18562
mindat URL: http://www.mindat.org/loc-18562.html

Tectonic Settings:

Total number of sublocalities beneath "Offerdal, Krokom, Jämtland County, Sweden": 9
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Könsta
Olden
Olden Granite Intrusion
Olden Power Station
Olden Silver Mine
Örnstolsån
Rörtjärn
Ytteroldens Blygruva

Latitude: 63°41'36"N
Longitude: 13°39'49"E
Decimal Degree (lat, lon): 63.693333333333,13.663611111111

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 B C Ca Cu F Fe H K Na O Pb S Si Th Ti U Zn Zr 

Elements from minerals reported directly at this locality: Al B Fe H Na O Si 

Structural Groups for minerals in this locality: 
ChalcopyriteClayClinozoisiteCorundumEpidoteFluoriteMicaNickelineNoneNot in a structural group
PyriteQuartzRocksaltRutileSphaleriteSpinelTitaniteTourmalineZircon

22 IMA Minerals at location:
Anatase  (*)Boltwoodite  (*)Chalcopyrite  (*)Clinozoisite  (*)Epidote  (*)
Fluorite  (*)Galena  (*)Graphite  (*)Ilmenite  (*)Magnetite  (*)
Muscovite  (*)Uranophane-β  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Rutile  (*)Schorl  (*)Sphalerite  (*)Thorite  (*)Titanite  (*)
Uranophane-α  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anatase  (*)Not in a structural groupTiO211115522162
Boltwoodite  (*)None(K,Na)(UO2)(SiO3OH)·1.5H2O111155367
Chalcopyrite  (*)ChalcopyriteCuFeS22111554,11155627198
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)11115521025
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11115528173
Fluorite  (*)FluoriteCaF23111552,111554,1115569617
Galena  (*)RocksaltPbS2111554,11155624243
Graphite  (*)NoneC3111551,111554,1115562812
Ilmenite  (*)CorundumFe2+Ti4+O311115525433
Magnetite  (*)SpinelFe2+Fe3+2O43111552,111554,11155614899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2111155217380
Uranophane-β  (*)NoneCa(UO2)2(SiO3OH)2·5H2O1111553144
Pyrite  (*)PyriteFeS22111554,11155639462
Pyrrhotite  (*)NickelineFe7S82111554,1115569056
Quartz  (*)QuartzSiO22111551,11155261156
Rutile  (*)RutileTiO211115525614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)02705
Sphalerite  (*)SphaleriteZnS2111554,11155621482
Thorite  (*)ZirconTh(SiO4)11115521006
Titanite  (*)TitaniteCaTi(SiO4)O11115524899
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O2111552,111553890
Zircon  (*)ZirconZr(SiO4)11115525251



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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