Geochemical Characteristics and Significance of Basalt in the Hongshiyan Pb-Zn-Cu Polymetallic Deposit in Southeastern Yunnan Province

摘要

1 Introduction Southeast Yunnan is the convergent place of the Yangtze,Indochina blocks(Xu Wei,et al.2008).The Hongshiyan Pb-Zn-Cu polymetallic deposit is located in Wenshan Prefecture,Yunnan Province.It is a typical large sized VMS-type deposit discovered in recent years.The major ore minerals are sphalerite,galena,chalcopyrite ect.