| 金沙江龙蟠变形体隐伏构造CSAMT探测与解译 |
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| 引用本文： | 谭儒蛟,胡瑞林,徐文杰,梁辉,曾如意,龚飞.金沙江龙蟠变形体隐伏构造CSAMT探测与解译[J].地球物理学进展,2007,22(1):283-288. |
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| 作者姓名： | 谭儒蛟 胡瑞林 徐文杰 梁辉 曾如意 龚飞 |
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| 作者单位： | 1．中国科学院地质与地球物理研究所，北京 100029； 2．中国水电顾问集团中南勘测设计研究院， 长沙 410083 |
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| 基金项目： | 中国科学院知识创新工程重要方向项目(KZCX3-SW-134)，国家重点基础研究发展规划项目(2002CB412702)联合资助 |
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| 摘 要： | 龙蟠变形（岩）体位于金沙江宽谷河段右岸，规模巨大.此处区域主构造线为近SN向的中甸－龙蟠－乔后断裂带，地质构造背景极其复杂.为查清变形体内的隐伏构造，本次运用V6A多功能系统展开了CSAMT法探测研究.通过对CSAMT反演电阻率断面和钻孔、平洞等所获取的工程地质信息的综合解译分析，检验了CSAMT（V6A系统）法在高山峡谷区隐伏构造探测中的有效性和可靠性，解译成果全面清晰地揭示了冲江河断裂等在金沙江宽谷河段的展布格局，同时为龙蟠变形体稳定性评价提供了关键性地质资料.
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| 关 键 词： | 龙蟠变形体 隐伏构造 大地声频电磁法 金沙江 |
| 文章编号： | 1004-2903（2007）01-0283-06 |
| 收稿时间： | 2005-11-10 |
| 修稿时间： | 2006-02-20 |
CSAMT exploration and geological interpretation of perdue tectonic structures of Longpan deformation slope in Jinsha River |
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| TAN Ru-jiao,HU Rui-lin,XU Wen-jie,LIANG Hui,ZENG Ru-yi,GONG Fei.CSAMT exploration and geological interpretation of perdue tectonic structures of Longpan deformation slope in Jinsha River[J].Progress in Geophysics,2007,22(1):283-288. |
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| Authors: | TAN Ru-jiao HU Rui-lin XU Wen-jie LIANG Hui ZENG Ru-yi GONG Fei |
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| Institution: | 1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China; 2. Central-south Hydroelectric Investigation, Design and Research Institute of State Power Corporation, Changsha 410083, China |
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| Abstract: | Longpan deformation slope lies at the right bank of the strath in Jinsha River.The areal geology tectonics here belongs to the Zhongdian-Longpan-Qiaohou faults belt region,the tectonic structures in this area are complicated and blurry.In order to get to the bottom of the tectonics,multifunctional V6A system in CSAMT method is applied.Case studies in this area show that CSAMT method with V6A system is an effective approach to explore perdue faults under quaternary stratum in high mountains and steep gorge area.By interpretation the CSAMT and engineering-geology exploration information synthetically,the tectonic pattern of Longpan area is put forward for the first time in this paper,and the conclusion is the base of analyzing the stability of Longpan deformation slope. |
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| Keywords: | Longpan deformation slope perdue tectonics CSAMT Jinsha River |
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