一、前言湖南省地方有色金属品种多,分布广,地质远景乐观。当前及今后相当长的时期内,国内外对大多数有色金属矿产品需求将日益增长。由于现有生产能力难以满足,其中大部分品种在长时期内将出现短缺。我省 First, the preface Hunan Province, a large number of non-ferrous metals, widely distributed, optimistic about the geological prospect. At present and for a long time to come, the demand for most non-ferrous metals products at home and abroad will grow increasingly. Due to the difficulty of meeting existing production capacity, most of these varieties will suffer a short period of time. My province