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Älgträsk deposit, Skellefte mining district, Skellefteå, Västerbotten, Sweden

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Latitude & Longitude (WGS84): 65° 1' 8'' North , 19° 58' 10'' East
Latitude & Longitude (decimal): 65.01909,19.96950
GeoHash:G#: u7w1ykm7e
Locality type:Deposit
Köppen climate type:Dfc : Subarctic climate
Name(s) in local language(s):Älgträsk


Gold-copper deposit. Quartz veins. Porphyry dikes in granodiorite.
3 km east of the Tallberg deposit.

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


17 valid minerals.

Detailed Mineral List:

Altaite
Formula: PbTe
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Arsenopyrite
Formula: FeAsS
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Bismuth
Formula: Bi
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Bornite
Formula: Cu5FeS4
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Calcite
Formula: CaCO3
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Chalcopyrite
Formula: CuFeS2
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Coloradoite
Formula: HgTe
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Gold
Formula: Au
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Hessite
Formula: Ag2Te
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Magnetite
Formula: Fe2+Fe3+2O4
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Molybdenite
Formula: MoS2
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Petzite
Formula: Ag3AuTe2
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Pyrite
Formula: FeS2
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Pyrrhotite
Formula: Fe7S8
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Quartz
Formula: SiO2
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Silver
Formula: Ag
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden
Sphalerite
Formula: ZnS
Reference: International Geological Congress (2008) MRD-06 The Algtrask intrusive-hosted Au (-Cu) deposit, Sweden

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Bismuth'1.CA.05Bi
'Gold'1.AA.05Au
'Silver'1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
'Altaite'2.CD.10PbTe
'Arsenopyrite'2.EB.20FeAsS
'Bornite'2.BA.15Cu5FeS4
'Chalcopyrite'2.CB.10aCuFeS2
'Coloradoite'2.CB.05aHgTe
'Hessite'2.BA.60Ag2Te
'Molybdenite'2.EA.30MoS2
'Petzite'2.BA.75Ag3AuTe2
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
'Sphalerite'2.CB.05aZnS
Group 4 - Oxides and Hydroxides
'Magnetite'4.BB.05Fe2+Fe3+2O4
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3

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
Silver1.1.1.2Ag
Semi-metals and non-metals
Bismuth1.3.1.4Bi
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Hessite2.4.2.1Ag2Te
Petzite2.4.3.3Ag3AuTe2
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Altaite2.8.1.3PbTe
Coloradoite2.8.2.5HgTe
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
Arsenopyrite2.12.4.1FeAsS
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
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

CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O MagnetiteFe2+Fe23+O4
O QuartzSiO2
SiSilicon
Si QuartzSiO2
SSulfur
S ArsenopyriteFeAsS
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S MolybdeniteMoS2
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
CaCalcium
Ca CalciteCaCO3
FeIron
Fe ArsenopyriteFeAsS
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag HessiteAg2Te
Ag PetziteAg3AuTe2
Ag SilverAg
TeTellurium
Te AltaitePbTe
Te ColoradoiteHgTe
Te HessiteAg2Te
Te PetziteAg3AuTe2
AuGold
Au GoldAu
Au PetziteAg3AuTe2
HgMercury
Hg ColoradoiteHgTe
PbLead
Pb AltaitePbTe
BiBismuth
Bi BismuthBi

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: 638417
Igneous: intrusive; Intrusive: tonalitic-granodioritic

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: Tonalite, granite, diorite, granodiorite, monzonite, migmatite

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: 3158147
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: 3185677
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]

Orosirian
1800 - 2050 Ma



ID: 2634056

Age: Orosirian (1800 - 2050 Ma)

Description: Svecokarelian orogen; Bothnia-Skellefteå lithotectonic unit

Lithology: Gabbro, dioritoid, dolerite, ultrabasic rock and metamorphic equivalents

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)
Bejgarn, T., Årebäck, H., Weihed, P., & Nylander, J. (2011). Geology, petrology and alteration geochemistry of the Palaeoproterozoic intrusive hosted Älgträsk Au deposit, Northern Sweden. Geological Society, London, Special Publications, 350(1), 105-132. doi:10.1144/SP350.7
Bejgarn, T., Weihed, P., Broman, C., Söderlund, U., Large, R., Årebäck, H., & Nylander, J. The Älgträsk Au±Cu deposit, northern Sweden: a Palaeo-proterozoic porphyry-related hydrothermal system?.

External Links

http://uu.diva-portal.org/smash/record.jsf?pid=diva2%3A1131069&dswid=-6097 The Älgträsk Au±Cu deposit, northern Sweden: a Palaeoproterozoic porphyry-related hydrothermal system?


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