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李天虎, 彭桥梁, 王伟, 高满新, 熊中乙. 2022. 新疆温宿县盐场地区水系沉积物地球化学特征及找矿效果. 西北地质, 55(1): 78-92. doi: 10.19751/j.cnki.61-1149/p.2022.01.006
引用本文: 李天虎, 彭桥梁, 王伟, 高满新, 熊中乙. 2022. 新疆温宿县盐场地区水系沉积物地球化学特征及找矿效果. 西北地质, 55(1): 78-92. doi: 10.19751/j.cnki.61-1149/p.2022.01.006
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LI Tianhu, PENG Qiaoliang, WANG Wei, GAO Manxin, XIONG Zhongyi. 2022. Geochemical Characteristics and Ore Prospecting of Stream Sediment in Yanchang Area of Wensu, Xinjiang. Northwestern Geology, 55(1): 78-92. doi: 10.19751/j.cnki.61-1149/p.2022.01.006
Citation: LI Tianhu, PENG Qiaoliang, WANG Wei, GAO Manxin, XIONG Zhongyi. 2022. Geochemical Characteristics and Ore Prospecting of Stream Sediment in Yanchang Area of Wensu, Xinjiang. Northwestern Geology, 55(1): 78-92. doi: 10.19751/j.cnki.61-1149/p.2022.01.006
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新疆温宿县盐场地区水系沉积物地球化学特征及找矿效果

  • 1. 中国地质调查局西安地质调查中心, 陕西 西安 710054;

  • 2. 湖南省地质矿产勘查开发局四一八队, 湖南 娄底 417000

  • 基金项目:

    中国地质调查局“新疆西南天山萨瓦甫齐地区矿产地质调查”（12120113043700）和“黄河源地区生态地质调查”（DD20190539）”项目联合资助。

详细信息
    作者简介: 李天虎(1982-),男,工程师,主要从事区域地质矿产调查工作。E-mail:229094367@qq.com。

  • 中图分类号: P618

Geochemical Characteristics and Ore Prospecting of Stream Sediment in Yanchang Area of Wensu, Xinjiang

  • 1. Xi'an Center of China Geological Survey, Xi'an 710054, Shaanxi, China;

  • 2. Team 418 of Hunan Bureau of Geology and Mineral Exploration and Development, Loudi 417000, Hunan, China

    摘要
  • 研究区位于库车前陆坳陷盆地砂岩型铜矿带上，且与滴水铜矿位于同一成矿带上，具有较好的铜找矿前景。1：5万水系沉积物测量成果显示，区内Cu元素背景值远低于地壳元素克拉克值，但其在苏维依组（E3s）、康村组（N1-2k）中具有较强的变异系数和较高的离差值，这说明Cu元素在以上地层中得到了富集；从元素多元统计分析来看，Cu与As、Sb、Co、Ni、Zn、Mo、Bi、Ca关系密切，指示成矿元素Cu的来源具有多元性；区内广泛发育的膏盐层可为高盐度成矿流体的形成提供条件，且可为Cu元素的富集提供S源；将地质与化探异常相结合，在区内共圈定8个化探综合异常，对HS-4、HS-6号化探综合异常进行了重点异常查证，共圈出铜矿（化）体19条，取得了较好的找矿效果。
    The study area is located in the sandstone-type copper deposit belt of Kuche foreland depression basin and in the same metallogenic belt with Dishui Copper Mine, having good prospecting potential for copper.The 1:50000 stream sediment survey shows that the background value of Cu elements in the area is much lower than that of Clarke. Whereas it has strong variation coefficient and high deviation in E3s and N1-2k, which indicates that copper is enriched in the above strata. From the multivariate statistical analysis, Cu is closely related to As, Sb, Co, Ni, Zn, Mo, Bi and Ca, indicating that the source of metallogenic element Cu is diverse. The widely developed gypsum salt layer in this area provides condition for the formation of high salinity ore-forming fluids and a sulfur source for the enrichment of copper elements. 8 comprehensive geochemical anomalies are delineated in the area combining the geological and geochemical anomalies. HS-4 and HS-6 comprehensive geochemical anomalies are verified specially, delineating 19 Cu ore bodies (mineralization).
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收稿日期:  2021-01-28
修回日期:  2021-04-08

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