| CSAMT法在西北深部探矿中的应用研究 |
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| 引用本文： | 柳建新,郭荣文,韩世礼,刘春明.CSAMT法在西北深部探矿中的应用研究[J].矿产与地质,2008,22(3):261-264. |
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| 作者姓名： | 柳建新 郭荣文 韩世礼 刘春明 |
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| 作者单位： | 1. 中南大学信息物理工程学院,长沙,410083;湖南继善矿业有限公司,长沙,410012
2. 中南大学信息物理工程学院,长沙,410083 |
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| 摘 要： | 可控源音频大地电磁法（英文简称CSAMT）是20世纪80年代中期兴起的一种测量卡尼亚电阻率和相位的电磁测深技术。由于它探测深度大、横向分辨率高、抗干扰性能强，因此在深部找矿的勘探中有着重要指导意义。笔者使用美国ZONGE公司生产的GDP-16大地电磁测量系统，利用的工作频率为1-4096Hz，对西北某矿区的外围和深部进行了实际勘探。证明该方法在矿区深部及外围找矿（主要是铁矿）具有有效性。
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| 关 键 词： | 可控源音频大地电磁法 深部找矿 一维反演 二维反演 静态改正 |
Application of controllable source acoustic-frequency magnetotelluric method (CSAMT)to prospecting in deep part of Northwest China |
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| LIU Jian-xin,GUO Rong-Wen,HAN Shi-li,LIU Chun-ming.Application of controllable source acoustic-frequency magnetotelluric method (CSAMT)to prospecting in deep part of Northwest China[J].Mineral Resources and Geology,2008,22(3):261-264. |
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| Authors: | LIU Jian-xin GUO Rong-Wen HAN Shi-li LIU Chun-ming |
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| Institution: | LIU Jian-xin, GUO Rong-Wen, HAN Shi-li, LIU Chun-ming (1. School of Info-physics and Geomatics Engineering, Central South University ,Changsha 410083 , China; 2. Hunan Geosun Mining Industry Co. ,Ltd,Changsha, 410012, China) |
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| Abstract: | CSAMT is a magnetotelluric sounding technology on Cagniard resistivity and phase, which is arisen in middle 1980s of last century. Because of its deeper sounding, high horizontal resolution and strong anti-interfering ability, it has become an important guidance for deep part prospecting. An actual exploration in the periphery and deep part of some ore area in Norwest China has been operated by using GDP-16 magnetotel- 1uric sounding system with its working frequency in the range of 1～4096Hz, which is made by ZONGE company of USA. The exploration has proved that CSAMT is an effective method for prospecting in deep part and periphery of ore area（mainly the Fe deposits）. |
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| Keywords: | controllable source audio-frequency magnetotelluric method prospectin in deep part one-dimen-sional inversion bi-dimensional inversion static correction |
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