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Vigsnes Copper Mines, Karmøy, Rogaland, Norway

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Name(s) in local language(s): A/S Vigsnes Kobberverk
 
The mines are located at the NW side of Karmøy Island. In the area it is registered about 9 mines, some adits and about 18 drifts ( "synker" in norwegian).
During the 1870s Visnes Copper Mines was one of northern Europe's largest copper mines. The copper used in construction of the Statue of Liberty in New York , USA came from from Gamle Visnes (the Old Visnes) mine (Gamlagruvå). Gamle Visnes mine being the eldest, and was worked in the period 1865 - 1894. The Rødklev Mine was then mined in the period 1899 - 1972. In 1972-1976 AS Sydvaranger Mining Company did some prospecting in the area.

1.44 mill.t. of ore grading 1.66 % Cu and 1.4 % Zn was produced. At the Vigsnes mine, six cigar- or plate-shaped ore bodies were exploited down to a depth of 732 m. The two largest of these were 400-450 m long, up to 175 m wide and with thicknesses of the order of 5-30 m. The massive sulphide ores are banded and pyrite-rich. Chalcopyrite and sphalerite are enriched in the upper parts of the sulphide bodies, and chalcopyrite is also enriched in the thinner part of these. Minor stringers/veinlets and disseminations of chalcopyrite also occur in the hanging wall. The ore deposit is hosted by a 50-60 m wide zone dominated by chlorite-rich greenschist that represents sheared dykes and lava of the Visnes Group within the Karmøy ophiolite complex. The Rødkleiv deposit (N0008) is hosted by the same sequence.


Mineral List

Mineral list contains entries from the region specified including sub-localities


33 entries listed. 19 valid minerals.

Localities in this Region


The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Geis, H.P. (1957) Vorkommen von Pyrit und Kupferkies auf Karmøy/Norwegen;Norges geologiske undersøkelse;FAGRAPPORT;Bergarkivet; No.BA 3116 A;100 pages

Geis, Hans-Peter (1961)Strukturelle iakttagelser ved noen norske kisforekomster;Norsk geologisk forening;Norsk geologisk tidsskrift; No.41 (2/4);173-196 pages

Geis, Hans-Peter (1965) 100 jahre Vigsnes Kobberverk; Tidsskrift for kjemi, bergvesen og metallurgi; No.8-9;194-202 pages

Gvein, Ø. (1977) Rapport vedrørende A/S Sydvaranger avd. Vigsnes kobbergruver, Rogaland. BV 1384.

Sturt, B. A.; Thon, A.; Furnes, H. (1980)The geology and preliminary geochemistry of the Karmøy ophiolite, S.W. Norway.;Cyprus Geological Survey Department;Ophiolites; Proceedings International Ophiolite Symposium, Cyprus; 1979.;538-554 pages

Osland, E. et al. (1986) Gruve-driften på Vigsnes 100 år/Perioden 1965-1972/Perioden 1972-1982. Kobberverkets venner, 76 s.

Scott, J.L. (1992): Mineralization in the Karmøy ophiolite, Southwest Norway. M.Sci. Thesis, Memorial University of Newfoundland. 221 pp.

Torkelsen, Arne (1993): Om gruvene på Karmøy. STEIN 20 (1), 47-52


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