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Enåsen Mine, Ljusdal, Gävleborg, Swedeni
Regional Level Types
Enåsen MineMine
LjusdalMunicipality
GävleborgCounty
SwedenCountry

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Name(s) in local language(s):Enåsengruvan
Latitude & Longitude (WGS84): 62° 17' 11'' North , 15° 22' 14'' East
Latitude & Longitude (decimal): 62.28647,15.37058
GeoHash:G#: u74fmfbt0
Locality type:Mine
Köppen climate type:Dfc : Subarctic climate


Gold mine in sillimanite quartzite. Operated 1984-1991 by Boliden Mineral AB. An open pit mine producing 200,000 ton/yr ore yielding about 400 kg gold.


Regions containing this locality

Hälsingland Province, Sweden

Province (Historical) - 104 mineral species & varietal names listed

Eurasia Plate

Plate - 7,319 mineral species & varietal names listed

Scandinavia

Region - 2,040 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


22 valid minerals.

Detailed Mineral List:

Altaite
Formula: PbTe
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Arsenopyrite
Formula: FeAsS
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Calaverite
Formula: AuTe2
Reference: No reference listed
Chalcopyrite
Formula: CuFeS2
Reference: Hallberg, A (1994) The Enåsen gold deposit, central Sweden. Mineralium Deposita, 29(2), 150-162.
Cobaltite
Formula: CoAsS
Reference: No reference listed
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: No reference listed
Frohbergite
Formula: FeTe2
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Galena
Formula: PbS
Reference: Hallberg, A (1994) The Enåsen gold deposit, central Sweden. Mineralium Deposita, 29(2), 150-162.
Gold
Formula: Au
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Hessite
Formula: Ag2Te
Reference: No reference listed
Kawazulite
Formula: Bi2Te2Se
Reference: No reference listed
Löllingite
Formula: FeAs2
Reference: No reference listed
Montbrayite
Formula: (Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Pilsenite
Formula: Bi4Te3
Reference: No reference listed
Quartz
Formula: SiO2
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Rutile
Formula: TiO2
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Sillimanite
Formula: Al2(SiO4)O
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Stannite
Formula: Cu2FeSnS4
Reference: No reference listed
Tellurantimony
Formula: Sb2Te3
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Tennantite
Formula: Cu6[Cu4(Fe,Zn)2]As4S13
Reference: No reference listed
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
Willyamite
Formula: (Co,Ni)SbS
Reference: Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
Group 2 - Sulphides and Sulfosalts
'Altaite'2.CD.10PbTe
'Arsenopyrite'2.EB.20FeAsS
'Calaverite'2.EA.10AuTe2
'Chalcopyrite'2.CB.10aCuFeS2
'Cobaltite'2.EB.25CoAsS
'Frohbergite'2.EB.10aFeTe2
'Galena'2.CD.10PbS
'Hessite'2.BA.60Ag2Te
'Kawazulite'2.DC.05Bi2Te2Se
'Löllingite'2.EB.15aFeAs2
'Montbrayite'2.DB.20(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
'Pilsenite'2.DC.05Bi4Te3
'Stannite'2.CB.15aCu2FeSnS4
'Tellurantimony'2.DC.05Sb2Te3
'Tennantite'2.GB.05Cu6[Cu4(Fe,Zn)2]As4S13
'Willyamite'2.EB.25(Co,Ni)SbS
Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
'Rutile'4.DB.05TiO2
Group 9 - Silicates
'Cordierite'9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
'Sillimanite'9.AF.05Al2(SiO4)O
'Topaz'9.AF.35Al2(SiO4)(F,OH)2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Hessite2.4.2.1Ag2Te
AmBnXp, with (m+n):p = 4:3
Pilsenite2.6.2.5Bi4Te3
AmXp, with m:p = 1:1
Altaite2.8.1.3PbTe
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Stannite2.9.2.1Cu2FeSnS4
AmBnXp, with (m+n):p = 2:3
Kawazulite2.11.7.5Bi2Te2Se
Montbrayite2.11.8.1(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Tellurantimony2.11.7.3Sb2Te3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Calaverite2.12.13.2AuTe2
Cobaltite2.12.3.1CoAsS
Frohbergite2.12.2.3FeTe2
Löllingite2.12.2.9FeAs2
Willyamite2.12.3.4(Co,Ni)SbS
Group 3 - SULFOSALTS
3 <ø < 4
Tennantite3.3.6.2Cu6[Cu4(Fe,Zn)2]As4S13
Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Sillimanite52.2.2a.1Al2(SiO4)O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H TopazAl2(SiO4)(F,OH)2
OOxygen
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O QuartzSiO2
O RutileTiO2
O SillimaniteAl2(SiO4)O
O TopazAl2(SiO4)(F,OH)2
FFluorine
F TopazAl2(SiO4)(F,OH)2
MgMagnesium
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al SillimaniteAl2(SiO4)O
Al TopazAl2(SiO4)(F,OH)2
SiSilicon
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si QuartzSiO2
Si SillimaniteAl2(SiO4)O
Si TopazAl2(SiO4)(F,OH)2
SSulfur
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S CobaltiteCoAsS
S GalenaPbS
S StanniteCu2FeSnS4
S TennantiteCu6[Cu4(Fe,Zn)2]As4S13
S Willyamite(Co,Ni)SbS
TiTitanium
Ti RutileTiO2
FeIron
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe FrohbergiteFeTe2
Fe LöllingiteFeAs2
Fe StanniteCu2FeSnS4
CoCobalt
Co CobaltiteCoAsS
Co Willyamite(Co,Ni)SbS
CuCopper
Cu ChalcopyriteCuFeS2
Cu StanniteCu2FeSnS4
Cu TennantiteCu6[Cu4(Fe,Zn)2]As4S13
AsArsenic
As ArsenopyriteFeAsS
As CobaltiteCoAsS
As LöllingiteFeAs2
As TennantiteCu6[Cu4(Fe,Zn)2]As4S13
SeSelenium
Se KawazuliteBi2Te2Se
AgSilver
Ag HessiteAg2Te
Ag Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
SnTin
Sn StanniteCu2FeSnS4
SbAntimony
Sb Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Sb TellurantimonySb2Te3
Sb Willyamite(Co,Ni)SbS
TeTellurium
Te AltaitePbTe
Te CalaveriteAuTe2
Te FrohbergiteFeTe2
Te HessiteAg2Te
Te KawazuliteBi2Te2Se
Te Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Te PilseniteBi4Te3
Te TellurantimonySb2Te3
AuGold
Au CalaveriteAuTe2
Au GoldAu
Au Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
PbLead
Pb AltaitePbTe
Pb GalenaPbS
Pb Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
BiBismuth
Bi KawazuliteBi2Te2Se
Bi Montbrayite(Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38
Bi PilseniteBi4Te3

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: 3185452
Paleoproterozoic intrusive rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Intrusive igneous 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: 3147629
Proterozoic I granodiorite-diorite

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Major:{granodiorite-diorite group}, Minor{granite,syenite-monzonite group,meta-granodiorite-diorite group}

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: 637521
Igneous: intrusive; Intrusive: granitic

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: Granite, quartz monzonite

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: 2636425

Age: Orosirian (1800 - 2050 Ma)

Description: Svecokarelian orogen; Ljusdal lithotectonic unit

Lithology: Granitoid, 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)
- Nysten, P. & Annersten, H. (1984): The gold mineralization at Enåsen, central Sweden. Geologiska Foereningens i Stockholm Foerhandlingar 106, 245-256.
- Mining Annual review (1985): 203.
- Mineralium Deposita (1994) 29, 150–162.


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