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Yxsjöberg Mine, Yxsjö ore field, Ljusnarsberg, Örebro, Swedeni
Regional Level Types
Yxsjöberg MineMine
Yxsjö ore fieldOre Field
LjusnarsbergMunicipality
ÖrebroCounty
SwedenCountry
Yxsjöberg Mine, Yxsjö ore field, Bergslagen, Sweden

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Name(s) in local language(s):Yxsjögruvan, Yxsjöfältet, Ljusnarsberg, Västmanland, Sverige
Latitude & Longitude (WGS84): 60° 3' North , 14° 46' East
Latitude & Longitude (decimal): 60.05000,14.76667
GeoHash:G#: u6dt85bb8
Locality type:Mine
Köppen climate type:Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Abborrberget1,814 (2011)11.3km
Grängesberg2,146 (2017)13.7km
Ställdalen481 (2017)16.1km
Saxdalen620 (2017)16.2km
Blötberget259 (2017)18.3km


Tegengren (1924) mention Yxsjöberg as a copper-tungsten- deposit discovered in the year of 1728. Four claims exist (1924); Norra & Södra Yxsjögruvornas, Kvarnåsgruvan and Dammgruvan, but Källgruvan, Bolagsgruvan, Kärrgruvan, Gäddan, Ricco, Åkergruvan, Nävergruvan, Kvarnåsgruvan and Norra Kärrgruvan are as well mentioned in the text (gruva= mine).
Intermittently mined depending of the copper price.

During WW I the mines became interesting again due to the tungsten and fluorite grades. A processing plant was quickly built but already in 1920 the mines closed due to the low market prices.

The mine reopened in 1936 and a new plant was built. Fluorite concentrate started to be produced in 1956. Due to falling tungsten prices the mine closed in 1963 and became water-filled.

AB Statsgruvor bought the property in -69 and production restarted in -72. Mining ceased again in the summer of 1989 due to falling W-prices.

Output in 1984 was 160,000 tons of fluorspar. Mining was done by sub-level stoping & cut-and-fill mining procedures. Workings are at least 600 meters deep.



Regions containing this locality

Bergslagen, SwedenMining District
Eurasian PlateTectonic Plate
EuropeContinent
Fennoscandian ShieldShield
ScandinaviaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

'Apatite'
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
'Biotite'
Reference: Billström, K. (1990). Origin of the Yxsjöberg W-Cu skarn deposit, Bergslagen, south-central Sweden: oxygen isotope evidence. GFF, 112(2), 175-176.
Chalcocite
Formula: Cu2S
Reference: Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): US Geological Survey Circular 930-O.; Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): US Geological Survey Circular 930-O.
Chalcopyrite
Formula: CuFeS2
Reference: Rodney Allen, Magnus Ripa, Nils Jansson (2008) Palaeoproterozoic volcanic- and limestonehosted Zn-Pb-Ag-(Cu-Au) massive sulphide deposits and Fe oxide deposits in Bergslagen, Sweden. 33 IGC excursion No 12, August 14 – 20, 2008 ; Billström, K. (1990). Origin of the Yxsjöberg W-Cu skarn deposit, Bergslagen, south-central Sweden: oxygen isotope evidence. GFF, 112(2), 175-176.
Danalite
Formula: Be3Fe2+4(SiO4)3S
Reference: Nysten,P. & Gustafsson, L.(2006): I jakt på sällsynta mineral. Geologiskt forum nr 49, 22-25
Fluorite
Formula: CaF2
Reference: Econ Geol (1985) 80:479-487; Rodney Allen, Magnus Ripa, Nils Jansson (2008) Palaeoproterozoic volcanic- and limestonehosted Zn-Pb-Ag-(Cu-Au) massive sulphide deposits and Fe oxide deposits in Bergslagen, Sweden. 33 IGC excursion No 12, August 14 – 20, 2008
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): US Geological Survey Circular 930-O.; Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): US Geological Survey Circular 930-O.; Econ Geol (1985) 80:479-487; Billström, K. (1990). Origin of the Yxsjöberg W-Cu skarn deposit, Bergslagen, south-central Sweden: oxygen isotope evidence. GFF, 112(2), 175-176.
Hedenbergite
Formula: CaFe2+Si2O6
Helvine
Formula: Be3Mn2+4(SiO4)3S
Reference: No reference listed
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Billström, K. (1990). Origin of the Yxsjöberg W-Cu skarn deposit, Bergslagen, south-central Sweden: oxygen isotope evidence. GFF, 112(2), 175-176.
Molybdenite
Formula: MoS2
Reference: Econ Geol (1985) 80:479-487
'Pyroxene Group'
Reference: Econ Geol (1985) 80:479-487; Billström, K. (1990). Origin of the Yxsjöberg W-Cu skarn deposit, Bergslagen, south-central Sweden: oxygen isotope evidence. GFF, 112(2), 175-176.
Pyrrhotite
Formula: Fe7S8
Reference: Rodney Allen, Magnus Ripa, Nils Jansson (2008) Palaeoproterozoic volcanic- and limestonehosted Zn-Pb-Ag-(Cu-Au) massive sulphide deposits and Fe oxide deposits in Bergslagen, Sweden. 33 IGC excursion No 12, August 14 – 20, 2008 ; Billström, K. (1990). Origin of the Yxsjöberg W-Cu skarn deposit, Bergslagen, south-central Sweden: oxygen isotope evidence. GFF, 112(2), 175-176.
Quartz
Formula: SiO2
Reference: Billström, K. (1990). Origin of the Yxsjöberg W-Cu skarn deposit, Bergslagen, south-central Sweden: oxygen isotope evidence. GFF, 112(2), 175-176.
Quartz var: Chalcedony
Formula: SiO2
Scheelite
Formula: Ca(WO4)
Reference: Econ Geol (1985) 80:479-487; Billström, K. (1990). Origin of the Yxsjöberg W-Cu skarn deposit, Bergslagen, south-central Sweden: oxygen isotope evidence. GFF, 112(2), 175-176.
Sphalerite
Formula: ZnS
Titanite
Formula: CaTi(SiO4)O

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Molybdenite2.EA.30MoS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Danalite9.FB.10Be3Fe2+4(SiO4)3S
Hedenbergite9.DA.15CaFe2+Si2O6
Helvine9.FB.10Be3Mn2+4(SiO4)3S
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-
'Garnet Group'-X3Z2(SiO4)3
'Pyroxene Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Hedenbergite65.1.3a.2CaFe2+Si2O6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework Feldspathoids and related species
Danalite76.2.4.2Be3Fe2+4(SiO4)3S
Helvine76.2.4.1Be3Mn2+4(SiO4)3S
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Biotite'-
'Garnet Group'-X3Z2(SiO4)3
'Pyroxene Group'-
Quartz
var: Chalcedony
-SiO2

List of minerals for each chemical element

BeBeryllium
Be DanaliteBe3Fe42+(SiO4)3S
Be HelvineBe3Mn42+(SiO4)3S
OOxygen
O DanaliteBe3Fe42+(SiO4)3S
O ScheeliteCa(WO4)
O HelvineBe3Mn42+(SiO4)3S
O HedenbergiteCaFe2+Si2O6
O TitaniteCaTi(SiO4)O
O MagnetiteFe2+Fe23+O4
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O Quartz (var: Chalcedony)SiO2
O Garnet GroupX3Z2(SiO4)3
O QuartzSiO2
FFluorine
F FluoriteCaF2
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
SiSilicon
Si DanaliteBe3Fe42+(SiO4)3S
Si HelvineBe3Mn42+(SiO4)3S
Si HedenbergiteCaFe2+Si2O6
Si TitaniteCaTi(SiO4)O
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Quartz (var: Chalcedony)SiO2
Si Garnet GroupX3Z2(SiO4)3
Si QuartzSiO2
SSulfur
S DanaliteBe3Fe42+(SiO4)3S
S PyrrhotiteFe7S8
S ChalcopyriteCuFeS2
S HelvineBe3Mn42+(SiO4)3S
S SphaleriteZnS
S ChalcociteCu2S
S MolybdeniteMoS2
CaCalcium
Ca FluoriteCaF2
Ca ScheeliteCa(WO4)
Ca HedenbergiteCaFe2+Si2O6
Ca TitaniteCaTi(SiO4)O
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
TiTitanium
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn HelvineBe3Mn42+(SiO4)3S
FeIron
Fe DanaliteBe3Fe42+(SiO4)3S
Fe PyrrhotiteFe7S8
Fe ChalcopyriteCuFeS2
Fe HedenbergiteCaFe2+Si2O6
Fe MagnetiteFe2+Fe23+O4
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
CuCopper
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
ZnZinc
Zn SphaleriteZnS
MoMolybdenum
Mo MolybdeniteMoS2
WTungsten
W ScheeliteCa(WO4)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 3148740
Proterozoic I meta-rhyolite

Age: Proterozoic (1600 - 2500 Ma)

Description: undifferentiated metamorphic

Lithology: Meta-rhyolite

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Paleoproterozoic
1600 - 2500 Ma



ID: 3185381
Paleoproterozoic volcanic rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Paleoproterozoic
1600 - 2500 Ma



ID: 637683
Igneous: extrusive; Extrusive: intermediate

Age: Proterozoic (1600 - 2500 Ma)

Description: Northern Europe, Svecofennian and Lapland-Kola orogens

Comments: Orogen, fold-thrust belt, folded region; Koistinen et al., 2001; Sigmond, 2002; Solli, unpublished compilation, 2007-08; Bergman et al., unpublished revisions, 2007-08

Lithology: Felsic and intermediate volcanic rocks

Reference: J.C. Harrison, M.R. St-Onge, O.V. Petrov, S.I. Strelnikov, B.G. Lopatin, F.H. Wilson, S. Tella, D. Paul, T. Lynds, S.P. Shokalsky, C.K. Hults, S. Bergman, H.F. Jepsen, and A. Solli. Geological map of the Arctic. doi:10.4095/287868. Geological Survey of Canada Map 2159A. [2]

Orosirian
1800 - 2050 Ma



ID: 2631724

Age: Orosirian (1800 - 2050 Ma)

Description: Svecokarelian orogen; Bergslagen lithotectonic unit

Lithology: Rhyolite, dacite, metamorphic

Reference: Bergman, S., M.B. Sephens, J. Andersson, B. Kathol, T. Bergman. Sveriges berggrund, skala 1:1 miljon. Sveriges geologiska undersökning K 423. [95]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Tegengren, F.( 1924): Sveriges ädlare malmer och Bergverk. Sveriges Geologiska Undersökning (SGU), Serie Ca 17. Stockholm 1924 (in Swedish).
Hübner, H (1971) - Molybdenum and Tungsten occurences in Sweden SGU ser Ca 46
Billström, K. (1990). Origin of the Yxsjöberg W-Cu skarn deposit, Bergslagen, south-central Sweden: oxygen isotope evidence. GFF, 112(2), 175-176.
Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): International Strategic Mineral Issues Summary Report - Tungsten. US Geological Survey Circular 930-O.
Höglund, Jones & Lindgren- KEMAKTA konsult-(2004): - Förstudie för efterbehandling av sandmagasin i Yxsjöberg. (in Swedish)
(in part): Mining Annual Review (1985): 505.
Geologie en Mijnbouw, 67:293-311.


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