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Långsele, Boliden, Skellefte mining district, Skellefteå, Västerbotten, Sweden

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Latitude & Longitude (WGS84): 64° 50' 48'' North , 20° 16' 34'' East
Latitude & Longitude (decimal): 64.84671,20.27629
GeoHash:G#: u7w2vkuxr
Köppen climate type:Dfc : Subarctic climate


Volcanogenic mercury-rich sulfide deposit.
The enrichment of Au and Ag in massive ore occurs associated with an intrusive metadolerite vein which an be traced across the ore.

Mined by Boliden Co. 1957 - 1991, mainly producing Cu, Zn, Pb, Au and Ag.

Regions containing this locality

Scandinavia

Region - 2,004 mineral species & varietal names listed

Västerbotten Province, Sweden

Province - 253 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


15 valid minerals.

Detailed Mineral List:

Andalusite
Formula: Al2(SiO4)O
Reference: Grip& Frietsch "Malm i Sverige 2"(1972)
Arsenopyrite
Formula: FeAsS
Reference: Grip& Frietsch "Malm i Sverige 2"(1972); Shikazono, N., & Shimizu, M. (1988). Mercurian gold from the Tsugu gold-antimony vein deposit in Japan. Canad. Mineral, 26, 423-428.
Aurostibite
Formula: AuSb2
Reference: Nysten, P. (1986): Gold in the volcanogenic mercury-rich sulfide deposit Långsele, Skellefte ore district, northern Sweden. Mineralium Deposita 21, 116-120.; Shikazono, N., & Shimizu, M. (1988). Mercurian gold from the Tsugu gold-antimony vein deposit in Japan. Canad. Mineral, 26, 423-428.
Beryl
Formula: Be3Al2(Si6O18)
Reference: No reference listed
Bournonite
Formula: PbCuSbS3
Reference: Shikazono, N., & Shimizu, M. (1988). Mercurian gold from the Tsugu gold-antimony vein deposit in Japan. Canad. Mineral, 26, 423-428.
Chalcopyrite
Formula: CuFeS2
Reference: Grip& Frietsch "Malm i Sverige 2"(1972)
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: Grip& Frietsch "Malm i Sverige 2"(1972)
Galena
Formula: PbS
Reference: Grip& Frietsch "Malm i Sverige 2"(1972); Nysten, P. (1986): Gold in the volcanogenic mercury-rich sulfide deposit Långsele, Skellefte ore district, northern Sweden. Mineralium Deposita 21, 116-120.
Gold
Formula: Au
Reference: Nysten, P. (1986): Gold in the volcanogenic mercury-rich sulfide deposit Långsele, Skellefte ore district, northern Sweden. Mineralium Deposita 21, 116-120.
'Gold Amalgam'
Reference: Nysten, P. (1986): Mineralium Deposita 21, 116-120; Shikazono, N., & Shimizu, M. (1988). Mercurian gold from the Tsugu gold-antimony vein deposit in Japan. Canad. Mineral, 26, 423-428.
Hessite
Formula: Ag2Te
Reference: Shikazono, N., & Shimizu, M. (1988). Mercurian gold from the Tsugu gold-antimony vein deposit in Japan. Canad. Mineral, 26, 423-428.
Pyrite
Formula: FeS2
Reference: Grip& Frietsch "Malm i Sverige 2"(1972)
Pyrrhotite
Formula: Fe7S8
Reference: Grip& Frietsch "Malm i Sverige 2"(1972)
Scheelite
Formula: Ca(WO4)
Reference: No reference listed
Sphalerite
Formula: ZnS
Reference: Grip& Frietsch "Malm i Sverige 2"(1972)
Stibnite
Formula: Sb2S3
Reference: Nysten, P. (1986) Gold in the volcanogenic mercury-rich sulfide deposit Långsele, Skellefte ore district, northern Sweden. Mineralium Deposita 21, 116-120.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
Group 2 - Sulphides and Sulfosalts
'Arsenopyrite'2.EB.20FeAsS
'Aurostibite'2.EB.05aAuSb2
'Bournonite'2.GA.50PbCuSbS3
'Chalcopyrite'2.CB.10aCuFeS2
'Galena'2.CD.10PbS
'Hessite'2.BA.60Ag2Te
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
'Sphalerite'2.CB.05aZnS
'Stibnite'2.DB.05Sb2S3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Scheelite'7.GA.05Ca(WO4)
Group 9 - Silicates
'Andalusite'9.AF.10Al2(SiO4)O
'Beryl'9.CJ.05Be3Al2(Si6O18)
'Cordierite'9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Unclassified Minerals, Rocks, etc.
'Gold Amalgam'-

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
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Aurostibite2.12.1.11AuSb2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 3
Bournonite3.4.3.2PbCuSbS3
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 [4] and >[4] coordination
Andalusite52.2.2b.1Al2(SiO4)O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Unclassified Minerals, Rocks, etc.
'Gold Amalgam'-

List of minerals for each chemical element

BeBeryllium
Be BerylBe3Al2(Si6O18)
OOxygen
O AndalusiteAl2(SiO4)O
O BerylBe3Al2(Si6O18)
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O ScheeliteCa(WO4)
MgMagnesium
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Al AndalusiteAl2(SiO4)O
Al BerylBe3Al2(Si6O18)
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
SiSilicon
Si AndalusiteAl2(SiO4)O
Si BerylBe3Al2(Si6O18)
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
SSulfur
S ArsenopyriteFeAsS
S BournonitePbCuSbS3
S ChalcopyriteCuFeS2
S GalenaPbS
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
S StibniteSb2S3
CaCalcium
Ca ScheeliteCa(WO4)
FeIron
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
CuCopper
Cu BournonitePbCuSbS3
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
AgSilver
Ag HessiteAg2Te
SbAntimony
Sb AurostibiteAuSb2
Sb BournonitePbCuSbS3
Sb StibniteSb2S3
TeTellurium
Te HessiteAg2Te
WTungsten
W ScheeliteCa(WO4)
AuGold
Au AurostibiteAuSb2
Au GoldAu
PbLead
Pb BournonitePbCuSbS3
Pb GalenaPbS

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: 638430
Sedimentary; Slope and deep water

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: Greywacke, phyllite, mica schist, meta-arkose, graphitic schist, paragneiss, conglomerate, amphibolite

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 3132290
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: 3185053
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]

Orosirian
1800 - 2050 Ma



ID: 2636958

Age: Orosirian (1800 - 2050 Ma)

Description: Svecokarelian orogen; Bothnia-Skellefteå 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)
Nysten, P. (1986) Gold in the volcanogenic mercury-rich sulfide deposit Långsele, Skellefte ore district, northern Sweden. Mineralium Deposita 21, 116-120.

External Links

http://resource.sgu.se/dokument/gruvkartor/vasterbotten/ac54_langselegruvan_j52c/TILLAGG1_ac54_langselegruvan_j52c_web.pdf - Mine map and short history. Addendum to final mine report filed after mining stopped.


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