| 综合物探方法在多不杂斑岩型铜金矿床的应用 |
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| 引用本文： | 王阳玲,左焕成,肖扬,朱丽丽,刘永涛.综合物探方法在多不杂斑岩型铜金矿床的应用[J].地质找矿论丛,2017,32(3):462-467. |
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| 作者姓名： | 王阳玲 左焕成 肖扬 朱丽丽 刘永涛 |
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| 作者单位： | 四川省冶金地质勘查院,成都,610051 |
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| 摘 要： | 通过在西藏多不杂斑岩型铜金矿床0号勘探剖面开展高精度磁测、激电中梯剖面、激电测深、音频大地电磁测深(AMT)等多种物探方法,了解多不杂斑岩铜金矿体引起的磁、电变化特征,证明该方法组合在多不杂斑岩型铜金矿区找矿的有效性,为多龙矿集区下一步的找矿工作选择了合适的物探方法组合。首先利用高精度磁测圈定斑岩体的范围,同时利用激电中梯扫面准确定位硫化物富集区域,结合地质、化探等资料在成矿有利地段利用激电测深来识别异常的空间展布形态,最后利用音频大地电磁测深获得剖面深部电性结构特征,综合多种手段判断是否为矿致异常,降低了地质找矿的风险。
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| 关 键 词： | 多不杂斑岩型铜金矿 综合物探 音频大地电磁测深 西藏自治区 |
| 收稿时间： | 2017/3/13 0:00:00 |
| 修稿时间： | 2017/6/10 0:00:00 |
Application of integrated geophysical methods to ore prospecting in Duobuza porphyry Cu (Au) deposit, Tibet |
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| WANG Yangling,ZUO Huancheng,XIAO Yang,ZHU Lili and LIU Yongtao.Application of integrated geophysical methods to ore prospecting in Duobuza porphyry Cu (Au) deposit, Tibet[J].Contributions to Geology and Mineral Resources Research,2017,32(3):462-467. |
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| Authors: | WANG Yangling ZUO Huancheng XIAO Yang ZHU Lili and LIU Yongtao |
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| Institution: | Sichuan Institute of Metallurgical geological Burea, Chengdu 610051, China,Sichuan Institute of Metallurgical geological Burea, Chengdu 610051, China,Sichuan Institute of Metallurgical geological Burea, Chengdu 610051, China,Sichuan Institute of Metallurgical geological Burea, Chengdu 610051, China and Sichuan Institute of Metallurgical geological Burea, Chengdu 610051, China |
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| Abstract: | High precision magnetic,IP intermediate gradient,IP sounding and ATM surveys etc.,were jointly carried out at line 0 in Duobuza porphyry Cu deposit to make clear of variation of magnetism and electricity caused by the Cu (Au) ore bodies.Results show that the integration is effective for prospecting such ore.First the high precision magnetic survey is conducted to lineate the porphyry;at the same time IP intermediate gradient coverage to locate enrichment of sulfides,IP sounding to outline spatial distribution of the anomlies at the favorable metallogenic positions according to geological and geochemical data;then AMT sounding to obtain deep electric structural feature at profile and jointly judge it is a ore-caused anomly.The integration is low in cost and prospecting risk. |
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| Keywords: | Duobuza porphyry Cu (Au) deposit integrated geophysical methods AMT sounding Tibet |
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