| 音频大地电磁法在贵州遵义隐伏锰矿找矿勘查中的应用 |
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| 引用本文： | 肖林,陈云明,刘志臣,杨炳南,陈登,肖亮,王家俊,代迪,杨佳鑫,苟熠.音频大地电磁法在贵州遵义隐伏锰矿找矿勘查中的应用[J].贵州地质,2021,38(4):412-418. |
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| 作者姓名： | 肖林 陈云明 刘志臣 杨炳南 陈登 肖亮 王家俊 代迪 杨佳鑫 苟熠 |
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| 作者单位： | 贵州省地矿局102地质大队,贵州 遵义 563003;贵州省地矿局102地质大队,贵州 遵义 563003;中国地质大学(武汉) ,湖北 武汉 430074;自然资源部基岩区矿产资源勘查工程技术创新中心,贵州 贵阳 550081;中国地质大学(武汉) ,湖北 武汉 430074;贵州省地矿局103地质大队,贵州 铜仁 554300;自然资源部基岩区矿产资源勘查工程技术创新中心,贵州 贵阳 550081;贵州省地矿局103地质大队,贵州 铜仁 554300 |
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| 基金项目： | 贵州省锰矿资源预测评价科技创新人才团队(黔科合平台人才[2018]5618)、贵州省优秀科技青年培养计划(黔科合平台人才[2019]5654)、贵州遵义锰矿整装勘查区矿产地质调查与找矿预测(尚嵇幅)(DD20190159-2020-11)、整装勘查区矿产地质调查与找矿预测(WKZB1911BJM300369)、贵州省科技计划项目(黔科合支撑[2017]2951)、贵州省科技计划项目(黔科合支撑[2019]2868)、黔地矿科合[2019]2号、黔地矿科合[2020]2号、贵州省地矿矿产勘查开发局重大研究课题(黔地矿科合[2021]3号)联合资助。 |
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| 摘 要： | 贵州遵义锰矿是我国二叠纪重要的锰矿床类型之一。近年来，遵义锰矿浅部资源日趋枯竭，找矿工作从浅部转向了深部，对隐伏锰矿的找矿迫在眉睫。在找寻隐伏锰矿中，原有的找矿勘查方法遇到了瓶颈，本文在结合大量地质研究的基础上，基于深部地层、构造、含矿岩系的电性差异，在研究区首次应用音频大地电磁法对隐伏锰矿体开展探索研究。研究发现，通过精细化的数据反演，该方法能够较好地反映研究区深部地层、构造及含矿岩系的展布特征，并部署钻探验证，所揭露的岩矿层位、构造特征和音频大地电磁法解译吻合程度较高。该方法可推广到研究区及其同类型区域的锰矿找矿勘查中，是锰矿找矿预测的有效方法之一。
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| 关 键 词： | 音频大地电磁法 找矿勘查 隐伏锰矿 贵州遵义 |
| 收稿时间： | 2021/7/12 0:00:00 |
Application of Audio Frequency Magnetotelluric Method in Prospecting and Exploration of Concealed Manganese deposit in Zunyi, Guizhou |
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| XIAO Lin,CHEN Yun-ming,LIU Zhi-chen,YANG Bing-nan,CHEN Deng,XIAO Liang,WANG Jia-jun,DAI Di,YANG Jia-xin,GOU Yi.Application of Audio Frequency Magnetotelluric Method in Prospecting and Exploration of Concealed Manganese deposit in Zunyi, Guizhou[J].Guizhou Geology,2021,38(4):412-418. |
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| Authors: | XIAO Lin CHEN Yun-ming LIU Zhi-chen YANG Bing-nan CHEN Deng XIAO Liang WANG Jia-jun DAI Di YANG Jia-xin GOU Yi |
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| Abstract: | Zunyi manganese deposit in Guizhou is one of the important manganese deposits in Permian in China. In recent years, the shallow resources of Zunyi Manganese deposit are becoming increasingly exhausted, and the prospecting work has shifted from shallow to deep. The prospecting for concealed manganese deposit is imminent. In the search for concealed manganese ore, the original prospecting and exploration methods have encountered a bottleneck. Based on a large number of geological studies, due to the electrical differences of deep strata, structures and ore bearing rock series, audio magnetotelluric method is used to explore and study the concealed manganese ore body for the first time in the study area. It is found that through refined data inversion, this method can better reflect the distribution characteristics of deep strata, structures and ore bearing rock series in the study area, and deploy drilling verification. The revealed rock and ore horizons, structural characteristics and audio magnetotelluric interpretation are in good agreement. This method can be extended to the manganese ore prospecting and exploration in the study area and its similar areas. It is one of the effective methods for manganese ore prospecting and prediction. |
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| Keywords: | Audio-frequency magnetotellurics Prospecting andexploration Concealed manganese deposit Zunyi Guizhou |
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