滇西银子山金多金属矿床钻孔岩石原生晕分带特征与隐伏矿预测  

Characteristics of primary halo zoning and prediction of concealed ore bodies of Yinzishan gold polymetallic deposit in Yunnan West

作　　者：郜周全 赵庆红[1] 李维忠[1] 任彦铭 GAO Zhou-quan;ZHAO Qing-hong;Li Wei-zhong;REN Yan-ming(Yunan Institute of Geology&Mineral Resouces Exploration,Kunming 650051,China)

机构地区：[1]云南省地质矿产勘查院,云南昆明650051

出　　处：《世界有色金属》2020年第3期108-110,共3页World Nonferrous Metals

基　　金：中国地质调查局地质调查项目(WKZB190BJB300375)(项目名称:云南省大平掌矿集区深部找矿预测)。

摘　　要：银子山金多金属矿床位于特提斯成矿域之三江(造山带)成矿省的兰坪-普洱(陆块)Cu-Pb-Zn-Ag-Fe-Hg-Sb-As-Au-石膏-菱铁矿-盐类成矿带西南段的云县-景洪(火山弧)Cu多金属矿带,是近年来发现的与志留-泥盆纪构造、火山活动有关的隐伏热液型金矿床。从O号勘探线钻孔原生晕研究表明:钻孔原生晕轴向分带性从矿上-矿体-矿下分为(Hg、As、Sb)-(Zn、Cd、Pb、Ag、Cu、Au、Bi)-(Sn、Mo);从钻孔原生晕异常特征分析,部分钻孔并未完全控制蚀变带,矿区西侧深部仍具有较大找矿空间。The gold polymetallic deposit of Yinzishan is located in the Cu poly metallic ore belt of Yunxian-Jinghong in the southwest section of the Lanping-Puer block,which belongs to the metallogenic province of Sanjiang of the Tethys metallogenic domain.This is a concealed hydrothermal gold deposit discovered in recent years,which is related to volcanic activity of the structure in Silurian-Devonian.The study on the primary halo of the No.0 exploration line shows that the axial zonation of the primary halo of the borehole can be divided into(Hg,As,Sb)-(Zn,Cd,Pb,Ag,Cu,Au,Bi)-(Sn,Mo).According to the analysis of the abnormal characteristics of the primary halo in the borehole,some of the boreholes do not completely control the alteration zone,and there is still a large exploration space in the deep part of the west side of the mining area.

关 键 词：银子山金矿床 原生晕分带 隐伏矿体预测 

分 类 号：P618.2[天文地球—矿床学]