草原覆盖区隐伏金属矿体定位预测──以大兴安岭中南段某铅锌矿点为例  

Location Forecasting of Buried Metal Ore-body in Grasslands Covered Area──A Case of Lead-Zinc Mineral Occurrence in Middle-Southern Segment of Daxing'anling Mountains

作　　者：张作伦[1] 曾庆栋[1] 叶杰[1] 贾长顺[2] 李文涛[3] 

机构地区：[1]中国科学院地质与地球物理研究所 [2]北京科技大学土木与环境工程学院,北京100083 [3]中国地质大学地球科学与资源学院,北京100083

出　　处：《吉林大学学报（地球科学版）》2007年第1期38-40,64,共4页Journal of Jilin University：Earth Science Edition

基　　金：中国科学院知识创新工程重要方向项目(KZCX-03-SW138)

摘　　要：草原区一般第四纪覆盖严重,为在草原浅层覆盖区有效地寻找、定位隐伏矿体,利用甚低频电磁法和EH4电磁成像系统开展了地球物理勘查工作。研究表明,甚低频电磁测量和EH4连续电导率剖面测量均能确定出明显的异常,且由两种技术手段得出的异常相互对应。说明甚低频电磁法和EH4电磁成像系统的联合应用是草原浅层覆盖区找寻隐伏矿体的有效技术方法。Most of the ore-bodies in grasslands are covered by the Quaternary sediments. In order to forecast the location of the buried ore-bodies in grasslands, the authors use the geophysical exploration methods of VLF-EM and EH4 conductivity image system. The results of the studies show that VLM- EM and EH4 conductivity image system techniques can define the distinct abnormities caused by the mineralized bodies. These two kinds of abnormities are corresponding. Hence, the integrated application of VLF-EM and EH4 conductivity image system is efficient to forecast the location of the buried orebodies in grasslands.

关 键 词：草原区 隐伏矿体定位预测 甚低频电磁法 EH4电磁成像系统 

分 类 号：P612[天文地球—矿床学]