| CSAMT法在翠宏山铁多金属矿床深部找矿中的应用 |
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| 引用本文： | 杨乃峰,何英杰,杨李汀.CSAMT法在翠宏山铁多金属矿床深部找矿中的应用[J].世界地质,2014,33(4):880-888. |
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| 作者姓名： | 杨乃峰 何英杰 杨李汀 |
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| 作者单位： | 1． 黑龙江省矿业集团有限责任公司，哈尔滨 150036; 2． 黑龙江省地球物理勘察院，哈尔滨 150036; 3． 黑龙江省地质矿产测试应用研究所，哈尔滨 150036 |
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| 摘 要： | 翠宏山铁多金属矿为矽卡岩型矿床,矿体具强磁、低阻特征,为可控源音频大地电磁法(CSAMT)在该矿田内进行深部找矿提供了前提条件。野外工作采用磁法和CSAMT对翠宏山普查区进行施测。通过对普查区高精度磁法测量数据处理和CSAMT法测量数据进行二维反演,圈定高磁异常和推断解释出低阻异常和背景区,推断矿体的位置、埋深和范围。经钻孔验证,发现厚大矿体,使翠宏山铁多金属矿床规模上升为大型矿床,也验证了CSAMT法在深部找矿工作中的有效性。
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| 关 键 词： | 翠宏山铁多金属矿床 CSAMT 法 二维反演 深部找矿 |
Application of CSAMT method in deep prospecting of Cuihongshan Fe polymetallic deposit |
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| YANG Ai-Feng,HE Yang-Jie,YANG Li-ting.Application of CSAMT method in deep prospecting of Cuihongshan Fe polymetallic deposit[J].World Geology,2014,33(4):880-888. |
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| Authors: | YANG Ai-Feng HE Yang-Jie YANG Li-ting |
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| Institution: | 1. Heilongjiang Mining Group Co. Ltd，Harbin 150036，China; 2. Geophysical Exploration Institute of Heilongjiang Province，Harbin 150036，China; 3. Heilongjiang Province Geology and Mineral Ｒesources Test and Application Institute，Harbin 150036，China |
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| Abstract: | Cuihongshan Fe polymetallic deposit is a deposit in skran type． The deposit is characterized by strong magnetism and low resistivity， which provides precondition to deep prospecting in the mining area by CSAMT method． The authors use magnetic and CSAMT methods to detect the general survey in the field work． According to two-dimension inversion of highly precisive magnetic surveying data processing and measured data by CSAMT meth- od， the authors delineate high magnetic anomaly and explain low resistivity anomaly and background area， and infer the position，depth and scope of ores． The scale of Cuihongshan Fe polymetallic deposit rise up to large scale de- posit by the discovery of thick ore body，and the effectiveness of CSAMT method in deep prospecting has been veri- fied． |
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| Keywords: | Cuihongshan Fe polymetallic deposit CSAMT method two- dimension inversion deep prospecting |
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