THE GEOLOGIC FEATURES OF BAIGANHU W-Sn DEPOSIT IN EAST KUNLUN MOUNTAINS,XINJIANG

The Baiganhu W-Sn deposit,occurring in the metamorphic rock series of Paleoproterozoic Jinshuikou Group,is closely related to the Caledonian acidic intrusive rocks.The studied area is with a high geochemical background of W-element.The enrichment coefficients of W range from 9.57 to 25.30 in various geologic bodies.Total 17 ore bodies have been discovered with scheelite ore of skarn type and wolframite ore of quartz vein type.The deposit belongs to the stratabound hydrothermal superimposed type of W-Sn deposit.