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Öster Silvberg mining district, Säter, Dalarna County, Swedeni
Regional Level Types
Öster Silvberg mining districtMining District
SäterMunicipality
Dalarna CountyCounty
SwedenCountry
Öster Silvberg mining district, Bergslagen mining district, Sweden

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Latitude & Longitude (WGS84):
60° 21' 13'' North , 15° 35' 41'' East
Latitude & Longitude (decimal):
60.35373,15.59500
GRN:
N41E06
Type:
Mining District
Köppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
10732
Long-form identifier:
mindat:1:2:10732:4
GUID (UUID V4):
0
Name(s) in local language(s):
Öster-Silvberg


Part of the Precambrian sulfide province of Central Sweden.

Öster Silvberg is likely the oldest and second most important silver mining district in Sweden (just behind Sala). First mentioned in an act from the year 1367 in a way that it must have been active (much?) earlier. In 1375 it was suggested that a mint should be erected. Later on in the 15th century a considerable production was maintained, figures indicate a yearly production exceeding one metric ton of silver.
Storgruvan (main mine, E Field) was abandoned in 1597, and production continued only on the less important western field. In 1500-1503, however, the mines were reported inactive because of severe cave-ins and one thought it might be impossible to restart production. The heyday was definitely over but some small production came from resmelting of old slag heaps and in 1505 a smaller new deposit was found close to Vikagruvan.
Authorities tried at several occasions (eg 1527, 1544, 1566) to get the district back in production, but in vain, although some silver was produced (no figures 1506-1635, exception 1608; 1,1kg). After 1641 the only serious attempts were made about 1750-1760, and the total production of silver since 1630 is estimated at only 91,5 kg.
It was wellknown that the ore contained gold (eg from a speech by J De La Gardie 1636). In 1695 Nils Gripenhielm managed to produce some gold from silver and a couple of Ducats were minted. Tests made indicated that the silver contained 9,7-12,5% Au.
Ore itself contained roughly 1000g/ton silver (Övre gruvan, analyse 1604 in Sala).
Storgruvan was measured to be 192 m deep at a visit in 1757 but cave-ins had filled deeper levels. Geijer (1965) indicate that it must have been around 220 m, judged by the extensive workings.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

27 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ Andalusite
Formula: Al2(SiO4)O
ⓘ Anthophyllite
Formula: ◻Mg2Mg5(Si8O22)(OH)2
ⓘ Armenite
Formula: Ba(H2O)2Ca2Al3[Al3Si9O30]
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Localities: Reported from at least 7 localities in this region.
ⓘ Boulangerite ?
Formula: Pb5Sb4S11
Description: The find of a quartz vein with boulnagerite is stated on a old map of the mine (Geijer 1965)
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 7 localities in this region.
ⓘ Chamosite
Formula: Fe2+5Al(AlSi3O10)(OH)8
ⓘ 'Chlorite Group'
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinochlore var. Pennine
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ Cordierite
Formula: Mg2Al4Si5O18
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Fluorite
Formula: CaF2
ⓘ Gahnite
Formula: ZnAl2O4
ⓘ Galena
Formula: PbS
Localities: Reported from at least 12 localities in this region.
ⓘ Galena var. Silver-bearing Galena
Formula: PbS with Ag
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ 'K Feldspar'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 9 localities in this region.
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
Localities: Reported from at least 12 localities in this region.
ⓘ Pyrrhotite
Formula: Fe1-xS
Localities: Reported from at least 9 localities in this region.
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 12 localities in this region.
ⓘ Sphalerite
Formula: ZnS
Localities: Reported from at least 16 localities in this region.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘvar. Silver-bearing Galena2.CD.10PbS with Ag
ⓘPyrite2.EB.05aFeS2
ⓘBoulangerite ?2.HC.15Pb5Sb4S11
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘGahnite4.BB.05ZnAl2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘAndalusite9.AF.10Al2(SiO4)O
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘCordierite9.CJ.10Mg2Al4Si5O18
ⓘArmenite9.CM.05Ba(H2O)2Ca2Al3[Al3Si9O30]
ⓘDiopside9.DA.15CaMgSi2O6
ⓘAnthophyllite9.DD.05◻Mg2Mg5(Si8O22)(OH)2
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘChamosite9.EC.55Fe2+5Al(AlSi3O10)(OH)8
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘvar. Pennine9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Hⓘ ArmeniteBa(H2O)2Ca2Al3[Al3Si9O30]
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AndalusiteAl2(SiO4)O
Oⓘ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Oⓘ ArmeniteBa(H2O)2Ca2Al3[Al3Si9O30]
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ CordieriteMg2Al4Si5O18
Oⓘ DiopsideCaMgSi2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GahniteZnAl2O4
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluoriteCaF2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ CordieriteMg2Al4Si5O18
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AndalusiteAl2(SiO4)O
Alⓘ ArmeniteBa(H2O)2Ca2Al3[Al3Si9O30]
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ CordieriteMg2Al4Si5O18
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ GahniteZnAl2O4
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AndalusiteAl2(SiO4)O
Siⓘ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Siⓘ ArmeniteBa(H2O)2Ca2Al3[Al3Si9O30]
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ CordieriteMg2Al4Si5O18
Siⓘ DiopsideCaMgSi2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
Siⓘ Garnet GroupX3Z2(SiO4)3
SSulfur
Sⓘ BoulangeritePb5Sb4S11
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ Galena var. Silver-bearing GalenaPbS with Ag
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ ArmeniteBa(H2O)2Ca2Al3[Al3Si9O30]
Caⓘ CalciteCaCO3
Caⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluoriteCaF2
Caⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Caⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ GahniteZnAl2O4
Znⓘ SphaleriteZnS
AgSilver
Agⓘ Galena var. Silver-bearing GalenaPbS with Ag
SbAntimony
Sbⓘ BoulangeritePb5Sb4S11
BaBarium
Baⓘ ArmeniteBa(H2O)2Ca2Al3[Al3Si9O30]
PbLead
Pbⓘ BoulangeritePb5Sb4S11
Pbⓘ GalenaPbS
Pbⓘ Galena var. Silver-bearing GalenaPbS with Ag

Localities in this Region

Sweden
Sweden

Other Regions, Features and Areas containing this locality

Baltic Shield (Fennoscandian Shield)Shield
Eurasian PlateTectonic Plate
EuropeContinent
ScandinaviaRegion
Sweden

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References

Tegengren, F. R. (1924) Sveriges ädlare malmer och bergverk [Noble Ores and Mines of Sweden]. Avhandlingar och uppsatser. Serie Ca 17. Sveriges Geologiska Undersökning
Geijer, Per (1965) Types of sulfide ore and associated wall rock alteration in the Öster-Silvberg district, central Sweden. Avhandlingar och uppsatser. Serie C 603. Sveriges Geologiska Undersökning 32pp.
Allen, R.L., Lundström, I., Ripa, M., Simeonov, A. & Christofferson, H., (1996): Facies analysis of a 1.9 Ga, continental margin, back-arc, felsic caldera province with diverse Zn-Pb-Ag-(Cu-Au) sulfide and Fe oxide deposits, Bergslagen region, Sweden. Economic Geology 91, 979–1008
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