大地电磁法确定基岩顶界面的探讨  

Discussion on How to Determine Interface of Bedrock Top by Magnetotelluric Method

作　　者：张毅[1,2] 

机构地区：[1]华北水利水电大学,郑州市450045 [2]黄河勘测规划设计有限公司工程物探研究院,郑州市450003

出　　处：《勘察科学技术》2014年第6期50-52,共3页Site Investigation Science and Technology

摘　　要：在大地电磁法探测覆盖层的过程中,资料解释时确定哪条电阻率等值线代表基岩顶界面往往凭经验。作者对以往资料的统计后发现,可以通过覆盖层与基岩电阻率的比值,确定基岩顶界面所在范围。该文所介绍的方法可供同行们参考。To determine which resistivity contour representatives interface of bedrock top often depends on the experience in data interpretation, through detecting the overburden by using magnetotelluric method. After statistic past data, the author finds that to determine the range of interface of bedrock top can through the resistivity ration of overburden and bedrock. The method in this paper can be consulted by colleagues.

关 键 词：大地电磁法 基岩顶界面 过渡区 

分 类 号：P631.325[天文地球—地质矿产勘探]