Geological and Petrography Characteristics of the Diabase in Hetaoping Pb-Zn Deposit,Baoshan County,Western Yunnan Province and its Implications

The Hetaoping Pb-Zn deposit of BaoShan county is located in western Yunnan province.It is one of large-scale lead-,zinc-,copper-,silver-polymetallic deposits characterized of vein skarn-type deposits ore-bearing controlled by fracture in three river area of Yunnan province,southwestern China.discussing diabase petrography on the basis of field geological characteristics of diabase and combined with the results of previous studies is systematically studied.The results show that the diabase emplacement earlier than mineralization.There is no ore correlation between the diabase and ore minerals provenance.The diabase enhanced mineralization surround it as a chemical barrier and disrupted fluid migration as a physical barrier.The mineralization diabase strength can be used as prospecting indicators.