秦岭西部铧厂沟金矿床主矿带原生晕分带特征及深部预测

doi:10.13686/j.cnki.dzyzy.2021.01.004

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摘要为了解铧厂沟金矿原生晕分布规律、提高找矿勘查效率，对铧厂沟金矿的原生晕进行了元素相关性分析、R型聚类分析以及因子分析等，并结合了野外工作及前人研究成果，得到铧厂沟金矿床理想的分带组合：前缘晕为As-Te-Sb-Hg，近矿晕为Ag-Au-Bi-Pb-Zn-Se，尾晕为Sc-Co-Ni-Mo-Cu-Cd-Mn.铧厂沟金矿的主矿带分带顺序为：Sc-Se-Mn-Cu-Cd-Ni-Zn-Ag-Au-Pb-Sb-Mo-Te-Co-Bi-Hg.结合原生晕理想的叠加模型，得到矿体从1150中段至990中段呈现不连续现象，表现为在1070中段以及下部矿体延伸至1030中段附近出现尖灭.新矿体从1030中段再次出现往下部延伸至990中段附近，并且存在往深部延伸的趋势.

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关键词 ：原生晕, 数学地质分析, 轴向分带, 金矿床, 陕西省

Abstract：To know about the distribution rule of primary halo in Huachanggou gold deposit and improve the efficiency of prospecting and exploration, the paper makes the element correlation analysis, R-mode cluster analysis and factor analysis of the primary halo, combined with the field survey and previous research results, and obtains the ideal zoning combination of Huachanggou gold deposit as follows:As-Te-Sb-Hg for the front halo, Ag-Au-Bi-Pb-Zn-Se for the near-ore halo and Sc-Co-Ni-Mo-Cu-Cd-Mn for the rear halo, with Sc-Se-Mn-Cu-Cd-Ni-Zn-Ag-Au-Pb-Sb-Mo-Te-Co-Bi-Hg as the zoning sequence of main ore belt. Combined with the ideal model of primary superimposed halo, it is concluded that the orebody is discontinuous from Level 1150 m to Level 990 m, that is, the orebody extending from Level 1070 m downward and pinching out near Level 1030 m, then appearing again from Level 1030 m to Level 990 m, showing a tendency of deep extension.

Key words： primary halo geo-mathematical analysis axial zonation gold deposit Shaanxi Province

收稿日期: 2020-05-09

PACS:

P618.51

基金资助:国家自然科学重点基金项目“秦岭成矿域复合造山过程中印支-燕山期金-多金属成矿作用”（编号41730426），“西秦岭卡林-类卡林型金矿床的成矿地质背景与叠加成矿作用研究”（编号41030423）；中国地质调查局“中国矿产地质志”项目（编号DD20190379-87）；中国地质调查局地质调查工作项目（编号1212011220924）．

通讯作者: 刘家军(1963-),男,博士,教授,博士生导师,主要从事矿床学研究与教学工作,通信地址北京市海淀区学院路29号,E-mail//liujiajun@cugb.edu.cn E-mail: liujiajun@cugb.edu.cn

作者简介: 曹强(1989-),男,硕士,主要从事矿床与矿床地球化学研究工作,通信地址北京市朝阳区北三环中路浙江大厦7层,E-mail//caoqiang@chinagm.com.cn

引用本文:

曹强, 刘家军, 吴杰, 陶银龙, 王立新, 刘相红. 秦岭西部铧厂沟金矿床主矿带原生晕分带特征及深部预测[J]. 地质与资源, 2021, 30(1): 27-36,98.
CAO Qiang, LIU Jia-jun, WU Jie, TAO Yin-long, WANG Li-xin, LIU Xiang-hong. PRIMARY HALO ZONING AND DEEP PREDICTION OF THE MAIN ORE BELT IN HUACHANGGOU GOLD DEPOSIT, WESTERN QINLING MOUNTAINS. GEOLOGY AND RESOURCES, 2021, 30(1): 27-36,98.

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http://manu25.magtech.com.cn/Jweb_dzyzy/CN/10.13686/j.cnki.dzyzy.2021.01.004 或 http://manu25.magtech.com.cn/Jweb_dzyzy/CN/Y2021/V30/I1/27

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