沱沱河地区多才玛铅锌矿床矿化富集规律及矿床成因.pdf

3 - — ——- 108~423.6 1.2~17.1% 3 3 0.58g/cm ~1.03g/cm 9.87~26.03 MPa 0.99~2.60km 40~20Ma - Mineralization regularity and ore genesis of Duocaima Pb-Zn deposit in Tuotuohe area Author Yang Wenlong Major Mineralogy,Petrology and Mineral Deposit SupervisorProf.Li Bile Abstract Duocaima lead-zinc deposit is the new discovered superlarge deposit in Tuotuohe region in recent years. According to the latest report,the orebody reserves of more than 6 million tons, which is believed to have a great prospecting potential.But the controversial ore deposit type and the unknown mineralization enrichment regularity have seriously restrict ore-search breakthrough. So it is necessary to do research comprehensively and deeply, to provide some new information for ore-search in Tuotuohe region. The paper is based on field investigation, combining with the regional geological background of the Tuotuohe area , studying geological characteristics and ore bodies features.The paper study the structural geology, fluid geology and geochemical,ascertain the characteristics and evolu