瞬变电磁法在金属矿勘查中的应用研究  

Research on application of transient electromagnetic method in metal mine exploration

作　　者：王秋平 褚冬莉[1,2] 孙军胜 张传东[1,2] 刘敏 Wang Qiuping;Chu Dongli;Sun Junsheng;Zhang Chuandong;Liu Min(Henan Province Metal Minerals Deep Hole Drilling Engineering Technology Research Center,Zhengzhou 451450,China;The Third Geological Exploration Institute of Henan Bureau of Geology and Mineral Exploration and Development,Zhengzhou 451450,China)

机构地区：[1]河南省金属矿产深孔钻探工程技术研究中心,河南郑州451450 [2]河南省地质矿产勘查开发局第三地质勘查院,河南郑州451450

出　　处：《能源与环保》2020年第11期93-96,102,共5页CHINA ENERGY AND ENVIRONMENTAL PROTECTION

摘　　要：瞬变电磁法具有探测深度大、信噪比高、分辨能力强等特点,采用瞬变电磁法对金属矿进行了勘查,分析了瞬变电磁法工作原理,研究了瞬变电磁法的数据处理和参数计算,并进行了工程试验。研究得出,研究区域有4个较为明显的电异常区,采用时间常数圈出3个低阻靶区,该低阻异常靶区和已揭露的研究区实际工程地质相吻合。研究为我国多金属矿产资源勘查提供了技术支持。The transient electromagnetic method has the characteristics of large detection depth,high signal-to-noise ratio,and strong resolution ability.The transient electromagnetic method was used to survey metal mines,the working principle of the transient electromagnetic method was analyzed,and the data processing of the transient electromagnetic method was studied,and parameter calculation,and carried out engineering test.According to the study,there were four obvious electrical anomalies in the study area,and three low-resistance target areas were circled by the time constant.The low-resistance anomaly target areas were consistent with the revealed actual engineering geology of the study area.The research provided a technical support for the exploration of polymetallic mineral resources in my country.

关 键 词：瞬变电磁法 金属矿勘查 电异常区 低阻靶区 

分 类 号：P631.325[天文地球—地质矿产勘探]