| 瞬变电磁法在断裂构造上的异常反映 |
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| 引用本文： | 龚惠民 查文相 等. 瞬变电磁法在断裂构造上的异常反映[J]. 中国煤田地质, 2002, 14(3): 68-69 |
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| 作者姓名： | 龚惠民 查文相 等 |
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| 作者单位： | 中国煤田地质总局水文地质局水文物测队 河北邯郸056001(龚惠民，查文相，马瑞华)，中国煤田地质总局水文地质局水文物测队 河北邯郸056001(乔建民) |
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| 摘 要： | 在水文地质及工程地质勘探工作中,寻找和查明断裂构造意义重大。众所周知,瞬变电磁法作为一种物探手法,已被广泛应用于地球物理勘探的各个领域。在断裂构造位置,瞬变电磁法表现为归一化二次电位衰减快,呈现双峰异常。根据瞬变电磁法的基础理论,解释瞬变电磁法在断裂构造上呈现双峰异常原因。
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| 关 键 词： | 双峰异常 归一化二次电位 二次流场 |
| 文章编号： | 1004-9177(2002)03-0068-02 |
| 修稿时间： | 2001-06-15 |
Unusual Reflect of Transient ElectromagneticMethod on The Fracture Structure |
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| GONG Hui- ming,CHA Wen- xiang,MA Rui- hua,QIAO Jian- min. Unusual Reflect of Transient ElectromagneticMethod on The Fracture Structure[J]. Coal Geology of China, 2002, 14(3): 68-69 |
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| Authors: | GONG Hui- ming CHA Wen- xiang MA Rui- hua QIAO Jian- min |
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| Abstract: | In the explorations of hydrogeology and engineering geology, there are important significances to search and find out fracture structure. Just everyone knows, the transient electromagnetic method as a geophysical prospecting means, already used widely in every fields of geophysical exploration. In the position of fracture structure, transient electromagnetic method showing that the quadratic equation electric potential of normalization attenuation fast and it present double peak abnormality. According to the basic theory of transient electromagnetic method, interpreted the reason which transient electromagnetic method has presented double peak abnormality on the fracture structure. |
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| Keywords: | double peak abnormality quadratic equation electric potential of normalization quadratic equation eddying field |
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