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Laver mine, Älvsbyn, Norrbotten, Sweden

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Latitude & Longitude (WGS84): 65° 46' 26'' North , 20° 14' 9'' East
Latitude & Longitude (decimal): 65.77393,20.23589
GeoHash:G#: u7wqhmz2f
Locality type:Mine
Köppen climate type:Dfc : Subarctic climate
Name(s) in local language(s):Lavergruvan


In 1929 two ore prospectors working for the Boliden Company discovered a copper bearing boulder some 10 km SE of Laver. Further prospecting led to the discovery of a smaller deposit- in all 1,5 Mton of ore with approximately 1,5 % Cu. Due to the need of greater amounts of Cu-concentrate to the company smelter in Rönnskär a decision was made to open the deposit, even though the ore was considered poor.

A complete new village was built with housing, school and shop. Everything were of new design and top modern for the time; electricity, central heating, running hot and cold water in each house, water closets and a public laundry house with modern machines.

The mine was in production from 1936 to 2 Nov 1946. The same day a planned dismantling started to take place so the whole settlement was moved to other mining places in the Skellefteå district. Even today it is possible to see remnants of the house structures and the streets.

The ore is located in a metavolcanic rocks; 1,86-1,89 million years old.

Four different ore types occur;
a) ore breccias (by far the most common)
b) ore veins
c) faults
d) impregnations with sphalerite

Located 40 km west of the village of Älvsbyn, seat of Älvsbyn Municipality.


Regions containing this locality

Scandinavia

Region - 2,002 mineral species & varietal names listed

Norrbotten Province, Sweden

Province (Historical) - 103 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


22 valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: Ödman, O.H. (1945) A nickel-cobalt-silver-mineralization in the Laver copper mine, N. Sweden. Sveriges geologiska undersökning (SGU), Serie C 470.
'Apophyllite'
Reference: Ödman, O.H. (1945) A nickel-cobalt-silver-mineralization in the Laver copper mine, N. Sweden. Sveriges geologiska undersökning (SGU), Serie C 470.
Arsenopyrite
Formula: FeAsS
Reference: Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
'Biotite'
Reference: Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Bornite
Formula: Cu5FeS4
Reference: Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Chalcopyrite
Formula: CuFeS2
Reference: Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
'Chlorite Group'
Reference: Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Olle Martin Bertilsson collection & photo ( id-830219), visual identified
Copper
Formula: Cu
Reference: Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
'commodity:Copper'
Formula: Cu
Reference:  
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Gahnite ?
Formula: ZnAl2O4
Reference: Entered without references
Galena
Formula: PbS
Reference: Wasström, Annika et al (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden; BGIU 25, 156
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Hematite
Formula: Fe2O3
Reference: Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
'K Feldspar'
Reference: Wasström, Annika et al (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Wasström, Annika et al (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Molybdenite
Formula: MoS2
Reference: Grip, E. (1951) Tungsten and Molybdenum in Sulphide Ores in Northern Sweden. Geologiska Föreningen i Stockholm Förhandlingar. 73: 455-472 [p. 466]
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Wasström, Annika et al (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Wasström, Annika et al (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Pyrargyrite
Formula: Ag3SbS3
Reference: Ödman, O.H. (1945) A nickel-cobalt-silver-mineralization in the Laver copper mine, N. Sweden. Sveriges geologiska undersökning (SGU), Serie C 470.
Pyrite
Formula: FeS2
Reference: Grip, E. (1951) Tungsten and Molybdenum in Sulphide Ores in Northern Sweden. Geologiska Föreningen i Stockholm Förhandlingar. 73: 455-472 [p. 466]
Pyrrhotite
Formula: Fe7S8
Reference: Grip, E. (1951) Tungsten and Molybdenum in Sulphide Ores in Northern Sweden. Geologiska Föreningen i Stockholm Förhandlingar. 73: 455-472 [p. 466]
Quartz
Formula: SiO2
Reference: Wasström, Annika et al (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Safflorite
Formula: (Co,Ni,Fe)As2
Reference: Ödman, O.H. (1945) A nickel-cobalt-silver-mineralization in the Laver copper mine, N. Sweden. Sveriges geologiska undersökning (SGU), Serie C 470.
Scheelite
Formula: Ca(WO4)
Reference: Grip, E. (1951) Tungsten and Molybdenum in Sulphide Ores in Northern Sweden. Geologiska Föreningen i Stockholm Förhandlingar. 73: 455-472 [p. 466]
Silver
Formula: Ag
Reference: Natural History Museum Stockholm, FYND­en databas över mineralfyndorter; Aksel Österlöf collection & photo (Photo ID: 518475)
Sphalerite
Formula: ZnS
Reference: Wasström, Annika et al (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.
Tennantite
Formula: Cu6[Cu4(Fe,Zn)2]As4S13
Reference: BGIU 25, 156
'Tourmaline' ?
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Added without any references

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Copper'1.AA.05Cu
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
'Acanthite'2.BA.35Ag2S
'Arsenopyrite'2.EB.20FeAsS
'Bornite'2.BA.15Cu5FeS4
'Chalcopyrite'2.CB.10aCuFeS2
'Galena'2.CD.10PbS
'Molybdenite'2.EA.30MoS2
'Pyrargyrite'2.GA.05Ag3SbS3
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
'Safflorite'2.EB.15a(Co,Ni,Fe)As2
Sphalerite2.CB.05aZnS
Tennantite2.GB.05Cu6[Cu4(Fe,Zn)2]As4S13
Group 4 - Oxides and Hydroxides
'Gahnite' ?4.BB.05ZnAl2O4
'Hematite'4.CB.05Fe2O3
'Magnetite'4.BB.05Fe2+Fe3+2O4
'Quartz'4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Scheelite'7.GA.05Ca(WO4)
Group 9 - Silicates
'Chrysocolla'9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Apophyllite'-
'Biotite'-
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
Tourmaline ?-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
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 = 1:2
Arsenopyrite2.12.4.1FeAsS
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Safflorite2.12.2.11(Co,Ni,Fe)As2
Group 3 - SULFOSALTS
3 <ø < 4
Tennantite3.3.6.2Cu6[Cu4(Fe,Zn)2]As4S13
ø = 3
Pyrargyrite3.4.1.2Ag3SbS3
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Gahnite ?7.2.1.4ZnAl2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Apophyllite'-
'Biotite'-
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Tourmaline' ?-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O GahniteZnAl2O4
O Garnet GroupX3Z2(SiO4)3
O HematiteFe2O3
O MagnetiteFe2+Fe23+O4
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O ScheeliteCa(WO4)
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
AlAluminium
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al GahniteZnAl2O4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Garnet GroupX3Z2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SSulfur
S AcanthiteAg2S
S ArsenopyriteFeAsS
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S GalenaPbS
S MolybdeniteMoS2
S PyrargyriteAg3SbS3
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
S TennantiteCu6[Cu4(Fe,Zn)2]As4S13
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca ScheeliteCa(WO4)
FeIron
Fe ArsenopyriteFeAsS
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
CoCobalt
Co Safflorite(Co,Ni,Fe)As2
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu CopperCu
Cu TennantiteCu6[Cu4(Fe,Zn)2]As4S13
ZnZinc
Zn GahniteZnAl2O4
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As Safflorite(Co,Ni,Fe)As2
As TennantiteCu6[Cu4(Fe,Zn)2]As4S13
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag AcanthiteAg2S
Ag PyrargyriteAg3SbS3
Ag SilverAg
SbAntimony
Sb PyrargyriteAg3SbS3
WTungsten
W ScheeliteCa(WO4)
PbLead
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: 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: 3150369
Proterozoic I undifferentiated

Age: Proterozoic (1600 - 2500 Ma)

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: 638361
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: 2638118

Age: Orosirian (1800 - 2050 Ma)

Description: Svecokarelian orogen; Bothnia-Skellefteå lithotectonic unit

Lithology: Rhyolite, dacite 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)
Grip, E. (1951) Tungsten and Molybdenum in Sulphide Ores in Northern Sweden. Geologiska Föreningen i Stockholm Förhandlingar. 73: 455-472 [p. 466]
Ödman, O.H. (1943) Geology of the copper deposit at Laver, N. Sweden. Sveriges geologiska undersökning (SGU), Serie C 452: 35 pp
Du Rietz, T. (1945) The alteration of the rocks in the copper deposit at Laver in N. Sweden. Sveriges geologiska undersökning (SGU), Serie C 467.
Ödman, O.H. (1945) A nickel-cobalt-silver-mineralization in the Laver copper mine, N. Sweden. Sveriges geologiska undersökning (SGU), Serie C 470.
Wasström, A. et al. (2014) The Laver 1.9 Ga large volume, low grade, Porphyry-style Cu-Au-Mo-Ag mineralization, northern Sweden. 31st Nordic Geological Meeting, Lund Sweden.

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