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Gold in northeastern Siberia
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Citation (Style = APA)
Cieslewicz, W. J. (1987). Gold in northeastern Siberia.
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Cieslewicz, W. J. (1987). Gold in northeastern Siberia.
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Reference Manager (RIS)
SpreadSheed (CSV)
Organization: Society for Mining, Metallurgy & Exploration
Pages: 5
Publication Date:
Jan 1, 1987
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Abstract
Abstract
| Geologically, northeastern Siberia is a region occupied by a folded belt of Triassic and Jurassic sediments and volcanics. Gold mineralization is of Upper Jurassic age. Most of the stream placers formed during the Quaternary. Placer gold was first discovered in 1916. Between 1930 and 1957, mining was carried out by the "Dal 'stroi," a Russian concentration camp organization. Since 1966, the mines have been worked mechanically. About 10 mining districts are now active, producing, altogether, 110 to 135 t (120 to 150 st) of gold annually. |
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