A RESEARCH ON REGIONAL METALLOGENIC CONTRIBUTION TO GUSHING EMEISHAN BASALT MAGMA IN WESTERN OF GUIZHOU PROVINCE

Large scale eruption of Emeishan basalt between early and late Permian took place in the summit of basic magma activity of Emei mantle plume.Emeishan basalt is greatly contributed in the western Guizhou province.Emeishan basalt not only partook in formation of stratabound deposits like Mo, Cu,Pb,Zn,Au,Sb,Hg and Tl which were formed by groundwater ore forming fluids in form of source bed,but also leaded to form volcanic hydatopneumatogenic deposits or basalt type copper deposits and associated hydrothermal Pt and Pd mineralizing point.Moreover,it is a main reason for the formation of some exogenic deposits like As-high,F-high,S-high or Hg-high coal.