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甘肃西秦岭地区当庆沟脑金钨矿床地球化学异常特征及找矿前景

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文章导航 > 西北地质 > 2019 > 52(3): 136-142

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董运如, 董化祥, 谢祥, 陈勇, 成旭伟. 2019. 甘肃西秦岭地区当庆沟脑金钨矿床地球化学异常特征及找矿前景. 西北地质, 52(3): 136-142. doi: 10.19751/j.cnki.61-1149/p.2019.03.011
引用本文: 董运如, 董化祥, 谢祥, 陈勇, 成旭伟. 2019. 甘肃西秦岭地区当庆沟脑金钨矿床地球化学异常特征及找矿前景. 西北地质, 52(3): 136-142. doi: 10.19751/j.cnki.61-1149/p.2019.03.011
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DONG Yunru, DONG Huaxiang, XIE Xiang, CHEN Yong, CHENG Xuwei. 2019. Geochemical Anomalies and Prospecting Prospect Analysis of the Dangqinggounao Gold-Tungsten Deposit in Gansu. Northwestern Geology, 52(3): 136-142. doi: 10.19751/j.cnki.61-1149/p.2019.03.011
Citation: DONG Yunru, DONG Huaxiang, XIE Xiang, CHEN Yong, CHENG Xuwei. 2019. Geochemical Anomalies and Prospecting Prospect Analysis of the Dangqinggounao Gold-Tungsten Deposit in Gansu. Northwestern Geology, 52(3): 136-142. doi: 10.19751/j.cnki.61-1149/p.2019.03.011
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甘肃西秦岭地区当庆沟脑金钨矿床地球化学异常特征及找矿前景

  • 1. 河南省有色金属矿产探测工程技术研究中心, 河南 郑州 450016;

  • 2. 河南省有色金属地质矿产局第六地质大队, 河南 郑州 450016;

  • 3. 甘肃瑞德盛矿业开发有限公司, 甘肃 兰州 730000

  • 基金项目:

    甘肃省瑞德盛矿业开发有限责任公司自筹资金项目“甘肃省玛曲县当庆沟脑金矿普查”（T62120081202021485）

详细信息
    作者简介: 董运如(1970-),男,本科,高级工程师,主要从事矿产勘查工作。E-mail:dongyunru@126.com
    通讯作者: 董化祥(1987-),男,本科,工程师,主要从事矿产勘查、区域地质调查工作。E-mail:donghuaxiang@foxmail.com

  • 中图分类号: P595

Geochemical Anomalies and Prospecting Prospect Analysis of the Dangqinggounao Gold-Tungsten Deposit in Gansu

  • 1. Henan Nonferrous Metal Mineral Exploration Engineering Technology Research Center, Zhengzhou 450016, Henan, China;

  • 2. No.6 Team of Henan Geological and Mineral Resources Bureau for Non-ferrous Metals, Zhengzhou 450016, Henan, China;

  • 3. Ruidesheng Mining Development Co., LTD., Lanzhou 730000, Gansu, China

More Information

    摘要
  • 西秦岭造山带是中国重要的金成矿带，已发现几十处大型、特大型金矿床。当庆沟脑位于秦岭东西向复杂构造带南带印支褶皱带西段，积石山复背斜之当庆沟脑次级背斜核部，是近年发现的一个具有良好成矿前景的新区。当庆沟脑与玛曲县大水大型金矿床位于同一层位和同一构造带中，但该区地质工作程度低。通过对当庆沟脑1：5万水系沉积物测量，圈定4个组合异常，其中HS-1异常为Au、Bi、Cu、As、W组合异常，异常面积约11.5 km2，5种元素异常套合较好。通过1：10 000土壤测量和探槽工程揭露对HS-1组合异常开展异常查证，发现一条长约1.5~2 km、宽约0.6~0.7 km的金、钨矿化带，带内圈定3条金矿（化）体，2条钨矿（化）体，显示了良好的金钨找矿前景。
    West Qinling orogenic belt is an important metallogenic belt in China, where discovered dozens of large and super-large gold deposits. The Dangqinggounao deposit is located in the southern subzone of EW-orientated complex structure zone in West Qinling and the core of Dangqinggounao secondary anticline in Jishishan anticlinorium, which is a new discovered district with good metallogenic prospects in recent years. The Dangqinggounao deposit has the silimar horizon to the Dashui gold deposit in Maqu Country, but it has low degree of geological work. After carrying out the 1:50000 stream sediment survey in Dangqinggounao area, 4 abnormal combination have been delineated. The HS-1 abnormal is the combination of Au, Bi, Cu, As and W, with anomaly area of 11.5 km2 and exceptionally well element fitness. And the HS-1 abnormal has been verified by the 1:10000 soil geochemical survey and exploratory trench engineering. And then, one gold-tungsten mineralization belt of 1.5-2 km long and 0.6-0.7 km wide has been found, where 3 gold orebodies and 2 tungsten bodies have been delineated, with good gold-tungsten prospecting prospects.
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出版历程
收稿日期:  2018-11-05
修回日期:  2018-12-03

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