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小秦岭镰子沟金矿床构造叠加晕特征及深部预测

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代军治, 钱壮志, 高菊生, 张龙斌, 周金龙, 李平. 小秦岭镰子沟金矿床构造叠加晕特征及深部预测[J]. 西北地质, 2017, 50(4): 166-175.
引用本文: 代军治, 钱壮志, 高菊生, 张龙斌, 周金龙, 李平. 小秦岭镰子沟金矿床构造叠加晕特征及深部预测[J]. 西北地质, 2017, 50(4): 166-175.
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DAI Junzhi, QIAN Zhuangzhi, GAO Jusheng, ZHANG Longbin, ZHOU Jinlong, LI Ping. The Features Structural Superimposed Halos of the Lianzigou Gold Deposit in Xiaoqinling Area and its Deep Prediction[J]. Northwestern Geology, 2017, 50(4): 166-175.
Citation: DAI Junzhi, QIAN Zhuangzhi, GAO Jusheng, ZHANG Longbin, ZHOU Jinlong, LI Ping. The Features Structural Superimposed Halos of the Lianzigou Gold Deposit in Xiaoqinling Area and its Deep Prediction[J]. Northwestern Geology, 2017, 50(4): 166-175.
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小秦岭镰子沟金矿床构造叠加晕特征及深部预测

  • 1.

    西北有色地质矿业集团有限公司, 陕西 西安 710054;长安大学, 陕西 西安 710054;陕西省矿产资源综合利用工程技术研究中心, 陕西 西安 710054

  • 2.

    长安大学, 陕西 西安 710054

  • 3.

    西北有色地质矿业集团有限公司, 陕西 西安 710054

  • 4.

    咸阳西北有色七一二总队有限公司, 陕西 咸阳 712000

  • 基金项目: 西北有色地质矿业集团“金堆城外围金钼矿床成矿与找矿预测”博士后项目资助（西色地发[2016]46号）

The Features Structural Superimposed Halos of the Lianzigou Gold Deposit in Xiaoqinling Area and its Deep Prediction

  • 1.

    Northwest Geological and Mining Group Co. Ltd. for Nonferrous Metals, Xi'an 710054, Shaanxi, China;Chang'an University, Xi'an 710054, Shaanxi, China;Engineering & Technology Center for Comprehensive Utilization of Mineral Resources in Shaanxi Province, Xi'an 710054, Shaanxi, China

  • 2.

    Chang'an University, Xi'an 710054, Shaanxi, China

  • 3.

    Northwest Geological and Mining Group Co. Ltd. for Nonferrous Metals, Xi'an 710054, Shaanxi, China

  • 4.

    No. 712 General Party of Northwest Geological and Mining Group Co. Ltd. for Nonferrous Metals, Xianyang 712000, Shaanxi, China

    摘要
  • 镰子沟金矿床分布于小秦岭太华群上部岩层内，矿体受断裂破碎带控制。基于构造叠加晕成矿理论，对含矿构造带内Ⅲ-1矿体进行了系统的原生晕研究。研究表明，矿床异常指示元素组合为Au、Ag、Mo、W、Pb、Sb、As、Ba、Cu、Co；矿体前缘晕指示元素为Hg、As、Sb、Ba，近矿晕为Ag、Au、Cu、Pb、Co，尾晕为Mo、W、Bi、Mn；原生晕轴向分带及特征参数显示出反分带特征，指示矿体在深部有很大延伸或有盲矿存在。根据以上分析，笔者建立了矿床构造叠加晕模型和预测标志，提出了下一步找矿靶位。
    The Lianzigou gold deposit is located in Xiaoqinling area and hosted in the upper strata of Taihua group. The orebodies are controlled by fault fracture zone. Based on the theory of structure superimposed halos, the representative No.Ⅲ-1 orebody of this deposit has been selected to study its structure primary halos in this paper. The results have shown that the optimal indicator elements are Au, Ag, Mo, W, Pb, Sb, As, Ba, Cu and Co. The indicator elements for the head halo of orebody are Hg, As, Sb, Ba, the near halo elements are Ag, Au, Cu, Pb, Co, and the tailing halo elements are Mo, W, Bi, Mn. This axial zoning sequence and the geochemical parameters of structure superimposed halos show a "anti-zoning" sequence, which indicates the probability of better spread of the orebody and the existence of concealed orebody. According to the characteristics of primary halos, the model of structure superimposed halos and predicting indexes have been established,and then blind ore prospecting targets for the next working has been took out.
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出版历程
收稿日期:  2016-05-17
修回日期:  2017-07-06
刊出日期:  2017-12-15

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