| 湖相沉积盆地内隐伏断裂的电阻率层析成像探测——以通海盆地为例 |
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| 引用本文： | 沈坤, 朱涛, 金志林, 周建国, 蔡建华, 吴富焕. 湖相沉积盆地内隐伏断裂的电阻率层析成像探测——以通海盆地为例[J]. CT理论与应用研究, 2011, 20(4): 505-512. |
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| 作者姓名： | 沈坤 朱涛 金志林 周建国 蔡建华 吴富焕 |
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| 作者单位： | 玉溪市防震减灾局,云南玉溪,653100;中国地震局地球物理研究所,北京,100081;通海县防震减灾局,云南玉溪,652700 |
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| 基金项目： | 中央级事业单位基本科研业务费专项“云南玉溪、江川和通海盆地盆山过渡带结构电阻率层析成像探测”(DQJB11C16) |
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| 摘 要： | 本文利用电阻率层析成像方法对湖相沉积盆地——通海盆地内的小江断裂的西支断裂进行了探测。发现在电阻率图像的较深区域才能识别出断裂的位置和产状,它在通海盆地内的走向约为N47°E,倾角约为57°~66°,视倾向为NW或N,与以往的研究结果基本一致。
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| 关 键 词： | 电阻率层析成像 断裂 湖相沉积 盆地 小江断裂 |
| 收稿时间： | 2011-08-15 |
Application of Electrical Resistivity Tomography to the Detection of Buried Faults in Lake Sedimentary Basin:A Case Study in Tonghai Basin |
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| SHEN Kun, ZHU Tao, JIN Zhi-lin, ZHOU Jian-guo, CAI Jian-hua, WU Fu-huan. Application of Electrical Resistivity Tomography to the Detection of Buried Faults in Lake Sedimentary Basin: A Case Study in Tonghai Basin[J]. CT Theory and Applications, 2011, 20(4): 505-512. |
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| Authors: | SHEN Kun ZHU Tao JIN Zhi-lin ZHOU Jian-guo CAI Jian-hua WU Fu-huan |
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| Affiliation: | 1.Yuxi Earthquake Mitigation Bureau,Yuxi 653100,China 2.Institute of Geophysics,China Earthquake Administration,Beijing 100081,China 3.Tonghai Earthquake Mitigation Bureau,Tonghai 652700,China |
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| Abstract: | In the present paper,electrical resistivity tomography was used to detect the west branch of Xiaojiang fault in lake sedimentary Tonghai basin.It is found that the location and attitude of this fault could be revealed out only in the deeper part of resistivity tomograms.Our results indicate that this fault has the strike of about N47°E,the apparent dip angle of about 57～66°and the apparent dip direction of NW or W in Tonghai basin,which is almost consistent with previous results. |
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| Keywords: | electrical resistivity tomography fault lake deposition basin Xiaojiang fault |
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