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大兴安岭兴跃地区金异常特征及成矿分析

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文章导航 > 西北地质 > 2013 > 46(3): 129-139

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王和平, 张小海, 张治林, 徐斌, 乔玉兰. 大兴安岭兴跃地区金异常特征及成矿分析[J]. 西北地质, 2013, 46(3): 129-139.
引用本文: 王和平, 张小海, 张治林, 徐斌, 乔玉兰. 大兴安岭兴跃地区金异常特征及成矿分析[J]. 西北地质, 2013, 46(3): 129-139.
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WANG He-ping, ZHANG Xiao-hai, ZHANG Zhi-lin, XU Bin, QIAO Yu-lan. Anomaly Characteristics and Metallogenic Analysis of Gold Deposit in Xingyue Region of Daxing’anling[J]. Northwestern Geology, 2013, 46(3): 129-139.
Citation: WANG He-ping, ZHANG Xiao-hai, ZHANG Zhi-lin, XU Bin, QIAO Yu-lan. Anomaly Characteristics and Metallogenic Analysis of Gold Deposit in Xingyue Region of Daxing’anling[J]. Northwestern Geology, 2013, 46(3): 129-139.
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大兴安岭兴跃地区金异常特征及成矿分析

  • 1.

    陕西省地质矿产勘查开发局第二综合物探大队, 陕西 西安 710016

  • 2.

    陕西延长石油国际勘探开发工程有限公司, 陕西 西安 710075

  • 3.

    中国地质调查局西安地质调查中心, 陕西 西安 710054

  • 基金项目: 呼伦贝尔驰宏矿业2009年"兴跃地区多金属矿普查"项目(2009-5-15006)

Anomaly Characteristics and Metallogenic Analysis of Gold Deposit in Xingyue Region of Daxing’anling

  • 1.

    No. 2 Comprehensive Geophysical Exploration Research Party, Bureau of Geology and Mineral Resources Exploration and Development of Shaanxi, Xi'an 710016, China

  • 2.

    Shaanxi Yanchang Petroleum International Explortion and Development Engineering Co.Ltd, Xi'an 710075, China

  • 3.

    Xi'an Center of Geological Survey, China Geological Survey, Xi'an 710054, China

摘要

    摘要
  • 兴跃地区地处得尔布干深大断裂北东段,成矿条件十分有利。该区额尔古纳河群零星出露,且与金异常关系密切。根据区域及区内岩石、土壤、水系沉积物测量元素原始数据参数统计,通过相对丰度、变化系数、富集系数的对比,分析了地层中各元素的含量变化、分布特征及元素之间的关系,同时结合区域特殊的自然景观特征,分析了额尔古纳河群在成矿中的作用。额尔古纳河群中浅变质岩为含金地质体,是砂金物质来源。表生环境作用下的物理化学风化为砂金次生富集成为可能,充沛丰富的水流为砂金搬运迁移及筛选提供了水动力条件。宽阔迂回的河谷为砂金矿的形成提供了适宜沉积的场所。
    Xingyue area is located in north and east section of De'erbugan deep fracture, and its metallogenic conditions are very favorable. The area of Ergun River group exposed sporadically, having close relationship with gold anomaly. Adopting parameter statistics on raw data of the measuring elements from rock, soil and stream sediments both in and out of the area, and by comparing the relative abundance, the coefficient of variation and the enrichment factor, this paper analyzed the change of contents of each element in the formation, distribution and the relationship between elements. Combined with the special characteristics of regional natural landscape, the role the Ergun River group played in mineralization is analyzed as well. As gold-bearing geological bodies, epimetamorphic rock in Ergun River group is the source material of placer gold. Physical and chemical weathering under surface environment make the enrichment of placer gold possible. Abundant water currents provide hydrodynamic conditions for gold migration and screening. Wide circuitous valley offers a favorable sedimentary place for the formation of placer gold deposit.
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出版历程
收稿日期:  2013-05-28
修回日期:  2013-07-19
刊出日期:  2013-09-15

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