贵州隐伏中酸性岩体与铁矿成矿和找矿前景  

Concealed Intermediate Acidic Rock Mass and Iron Mineralization in Guizhou and Exploration Prospect

作　　者：王亮 杨建辉 范玉梅 

机构地区：[1]贵州省地质调查院,贵州贵阳550018

出　　处：《贵州地质》2015年第4期271-276,284,共7页Guizhou Geology

基　　金：中国地质调查局基金项目(编号:[2014]03-003-017)"贵州省矿产地质与区域成矿规律综合研究")资助

摘　　要：借鉴国内铁矿行业找矿经验与开发成果,认为在贵州对沉积型铁矿勘查难度大,与广布的二叠纪峨眉山玄武岩和沉积岩盖层厚度大等干扰有关,分析区域重磁资料,省内铁矿应该在中酸性岩中寻找,改变沉积岩中找铁矿的单一思路,为之圈定了浅部岩体和深部岩基,为研究区铁矿勘探提供相关依据。According to the exploration experience and development achievement of domestic iron industry, it＇ s thought that difficult exploration for sedimentary iron deposit in Guizhou has relation with disturbance of big thickness of Emeishan basalt and sedimentary rock in Permian. By analysis the regional gravity-magnetic information,the iron deposit should explored in intermediate-acidic rock, the idea of iron exploration in sedi- mentary rock should be changed. So the shadow rock mass and deep batholith are determined and it will afford some accordance for iron exploration in the target area.

关 键 词：沉积型铁矿 找矿方向 负磁异常 低密度 酸性岩 贵州 

分 类 号：P631[天文地球—地质矿产勘探] P618.31[天文地球—地质学]