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| THE APPLICATION OF EH4-ELECTROMAGNETIC IMAGE SYSTEM TO GROUNDWATER EXPLORATION IN SANDSTONE AREAS |
| Wu Yue |
| Beijing Research Institute of Geology, Beijing 100029 |
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Abstract The EH4-Electromagnetic Image System is a system which can automatically acquire and process electromagnetic data.It combines CSAMT with MT.This paper deals with its theories and main features as well as its application to groundwater exploration in such sandstone areas as some basins in Inner Mongolia , Xingjiang and Yunnan.
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Received: 16 June 1998
Published: 24 October 1999
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