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:
Gamla Mines (Old Mines), Hällefors Silver Mines, Hällefors, Örebro County, Sweden

Oldest recorded age at locality: 1679
Youngest recorded age at locality: 1658

mindat Locality ID: 11995
mindat URL: http://www.mindat.org/loc-11995.html

Tectonic Settings:

Total number of sublocalities beneath "Gamla Mines (Old Mines), Hällefors Silver Mines, Hällefors, Örebro County, Sweden": 0
Total number of bottom-level sublocalities: 0

Latitude: 59°51'1"N
Longitude: 14°29'47"E
Decimal Degree (lat, lon): 59.850277777778,14.496388888889
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: Ag As C Cu Fe H O Pb S Sb Sn Ti Zn 

Elements from minerals reported directly at this locality: Ag As C Cu Fe H O Pb S Sb Sn Ti Zn 

Structural Groups for minerals in this locality: 
AllargentumArsenopyriteBournoniteChalcopyriteCorundumDiasporeMalachiteMarcasiteMeneghiniteNickeline
NoneNot in a structural groupPyriteRocksaltRutileSphaleriteSpinelStibniteTetrahedrite

24 IMA Minerals at location:
Allargentum  (*)Arsenopyrite  (*)Azurite  (*)Boulangerite  (*)Bournonite  (*)
Cassiterite  (*)Chalcopyrite  (*)Dyscrasite  (*)Freibergite  (*)Galena  (*)
Goethite  (*)Graphite  (*)Gudmundite  (*)Hematite  (*)Ilmenite  (*)
Magnetite  (*)Malachite  (*)Marcasite  (*)Meneghinite  (*)Pyrite  (*)
Pyrrhotite  (*)Rutile  (*)Sphalerite  (*)Stibnite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Allargentum  (*)AllargentumAg1-xSbx (x ≈ 0.09-0.16)16791658069
Arsenopyrite  (*)ArsenopyriteFeAsS1679165809052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)21679165805509
Boulangerite  (*)NonePb5Sb4S11167916580843
Bournonite  (*)BournoniteCuPbSbS31679165801089
Cassiterite  (*)RutileSnO21679165805171
Chalcopyrite  (*)ChalcopyriteCuFeS216791658027198
Dyscrasite  (*)AllargentumAg3+xSb1-x (x ≈ 0.2)167916580180
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S12167916580663
Galena  (*)RocksaltPbS16791658024243
Goethite  (*)DiasporeFeO(OH)1679165807437
Graphite  (*)NoneC1679165802812
Gudmundite  (*)ArsenopyriteFeSbS167916580170
Hematite  (*)CorundumFe2O316791658014640
Ilmenite  (*)CorundumFe2+Ti4+O31679165805433
Magnetite  (*)SpinelFe2+Fe3+2O416791658014899
Malachite  (*)MalachiteCu2(CO3)(OH)216791658012537
Marcasite  (*)MarcasiteFeS21679165805674
Meneghinite  (*)MeneghinitePb13CuSb7S24167916580158
Pyrite  (*)PyriteFeS216791658039462
Pyrrhotite  (*)NickelineFe7S81679165809056
Rutile  (*)RutileTiO21679165805614
Sphalerite  (*)SphaleriteZnS16791658021482
Stibnite  (*)StibniteSb2S31679165803418


3 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
PR51_265-00017165816581658Pb-Pb galena  YesGalena  10587Hällefors Silver Mines, Hällefors, Örebro County, SwedenEastern ore fieldSundblad (1991)10.1016/0301-9268(91)90104-IPR51_265 
PR51_265-00016167016701670Pb-Pb galena  YesGalena  11998Mellan Ore Field (Middle Field), Hällefors Silver Mines, Hällefors, Örebro County, SwedenCentral ore fieldSundblad (1991)10.1016/0301-9268(91)90104-IPR51_265 
PR51_265-00015167916791679Pb-Pb galena  YesGalena  11997Västra Ore Field (Western Field), Hällefors Silver Mines, Hällefors, Örebro County, SwedenWestern ore fieldSundblad (1991)10.1016/0301-9268(91)90104-IPR51_265 

SampleSource LocalityReference URL

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