Bjørkåsen gruve, Ballangen kommune, Nordland fylke, Norge
The Bjørkåsen sulphide deposit is located in Ballangen municipality in Nordland. The area is called Ofoten (which covers several municipalities).
It consists of 2 sulphide lenses developed along a sulphide impregnated horizon in garnet-mica schist of Cambro-silurian age intruded by granite and gabbro (Karup-Møller 1973).
It was mined from 1915-1924, and about 523 000 ton ore was extracted.
Mineral List
14 entries listed. 13 valid minerals.
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References
- Oftedahl,I. W (1941):Untersuchungen über die Nebenbestandteile von Erzmineralien norwegischer zinkblendeführender Vorkommen. Skrifter utgitt av det Norske Videnskaps-Akademi i Oslo, Mat.-naturv.Kl.no.8, 1-103 [with a description on galena from Björkåsen p.58-59]
- Karup-Møller, S. (1973): A giessenite-cosalite-galena-bearing mineral suite from the Bjørkåsen sulphide deposit at Ofoten in Northern Norway. Norsk Geologisk Tidsskrift 53: 41-64
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