地球物理综合电法在黄陵背斜某区域变质型晶质石墨矿勘探中的应用  

Application Research of Integrated Electrometry in the Exploration of One Regional Metamorphic Graphite Ore in Huangling Anticline

作　　者：黎源 郭威 曾凯 刘林 LI Yuan;GUO Wei;ZENG Kai;LIU Lin(Central South Institute of Metallurgical Geology,Yichang 443003,China)

机构地区：[1]湖北冶金地质研究所(中南冶金地质研究所),湖北宜昌443003

出　　处：《中国非金属矿工业导刊》2022年第6期78-83,60,共7页China Non-Metallic Minerals industry

基　　金：湖北省自然科学基金项目“区域变质型晶质石墨矿地球物理学电性特征研究”(编号:2019CFB740);“宜昌磷矿伴生稀土元素分布规律及赋存状态分析研究”(编号:2019CFB551)。

摘　　要：鄂西黄陵背斜地区是我国区域变质型石墨矿的重要产区,出产的石墨矿以晶质(鳞片状)石墨矿为主。本文通过在黄陵背斜地区龚家河—青茶园石墨矿区部分矿段开展自然电场法及CSAMT工作,获取了矿区重点勘查位置电性参数即自然极化电位、电阻率的宏观分布及异常,矿化异常表现为电阻率低和自然电位负异常较高的特征,且通过了地质工程的验证,取得了较好的找矿效果。Huangling anticline in western Hubei province is an important region of regional metamorphic graphite ore in China,which is mainly crystalline(scaly)graphite ore.In this paper,the natural electric field method and CSAMT work were carried out in Gongjiahe-Qingchayuan graphite ore area in Huangling anticline to obtained the macroscopic distribution and anomaly of the electrical parameters of the key exploration location of the mining area,namely the natural polarization potential and resistivity.We combined geological data,which are characterized by low resistivity and negative anomaly of natural polarization potential,and borehole verification to comprehensively interpret these geophysical anomalies and achieved good prospecting results of exploration.

关 键 词：黄陵背斜 石墨矿勘查 自然电场法 可控源音频大地电磁法 

分 类 号：P631.3[天文地球—地质矿产勘探]