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Getö Stora Silver Mine and Northern Getö Mine
Location
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Located on Getön in Lake Yngen, 2.2 km from the Persberg mining field, Färnebo parish, Värmland County.
Discovery and Operation
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Getö Stora Silver Mine: opened 1859, operated until 1863.
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Northern Getö Mine: opened 1907, minor operations only.
Rock Types and Ore
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Main rock types: granulite, limestone, dolomite, skarn.
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Limestone and dolomite form the island’s main mass and extend into Lake Yngen toward the SE.
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Skarn occurs as an interlayer between granulite and limestone, similar to the Persberg field.
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Ores: lead, copper, and iron, associated with skarn.
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Specific ore types:
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Galena (lead sulfide)
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Chalcopyrite (copper sulfide)
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Mixed ores; sometimes mixed with iron ore and magnetite
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Production and History
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1862: Ore output with 10 workers:
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287.5 tons galena
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61.9 tons high-grade copper ore
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348.7 tons lower-grade copper ore
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524.6 tons tailings
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Lead smelter built; 5.1 tons of lead produced before operations were paused.
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1863: Production declined: 164.7 tons lead ore, 272.6 tons copper ore, 4037.3 tons broken rock. Mine closed at year’s end.
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1891: Mine re-claimed, new claims 1895.
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1908–1909: Trial mining:
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115 tons lead ore, 22.1 % lead, 110 g silver/t
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60 tons lead
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Copper ore 1.06 % Cu, 13 % Pb, 90 g silver/t
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70 tons copper ore, 3.2 % Cu
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570 tons tailings, 0.74 % Cu, 7.8 % Pb
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Northern Getö Mine
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Copper-bearing skarn up to 3.2 m wide.
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Ore with 10–11 % Cu obtained in trial mining.
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Mines inactive from 1909, reopened autumn 1915, mining resumed early 1916.
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Plan: concentrate ore at Torskbäcken Concentration Plant on Lake Yngen.
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Owner: Getö Nya Gruvaktiebolag
