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UDC 553.493.563:553.45’3/’9(571.1/.6) INDIUM AND OTHER IMPURITY ELEMENTS IN ORES OF THE VOLCANOGENIC MASSIVE SULFIDE (VMS) POLYMETALLIC AND SN-SULFIDE DEPOSITS OF SIBERIA AND THE FAR EAST
I. V. Gaskov, G. G. Pavlova, A. G. Vladimirov, V. I. Gvozdev
Investigations of indium concentrations in the VMS polymetallic and Sn-sulfide deposits of Siberia and the Far East have shown the increased contents of indium in ores of these deposits. Such contents mainly are higher than average values in similar deposits of different world regions and can be considered as economically important in industry. Sulfides are the major indium-bearing minerals in these deposits such as sphalerite and chalcopyrite in VMS polymetallic deposits; chalcopyrite, bornite and sphalerite in greisensrelated Sn-sulfide deposits. In addition, enhanced contents of Cd, Ag and Te in VMS polymetallic deposits and Ge, Ga and Nb increased ones in Sn-sulfide deposits have been determined. It increases their investment attraction.
Key words: indium, VMS polymetallic, Sn-sulfide deposits, Siberia, the Far East.
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