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新疆富蕴县克乃特糜棱岩带铜金矿化流体特征

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文章导航 > 西北地质 > 2015 > 48(3): 262-270

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卫晓锋, 阴元军, 刘泽群, 杨凯, 徐九华, 程志龙, 丁汝褔. 新疆富蕴县克乃特糜棱岩带铜金矿化流体特征[J]. 西北地质, 2015, 48(3): 262-270.
引用本文: 卫晓锋, 阴元军, 刘泽群, 杨凯, 徐九华, 程志龙, 丁汝褔. 新疆富蕴县克乃特糜棱岩带铜金矿化流体特征[J]. 西北地质, 2015, 48(3): 262-270.
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WEI Xiaofeng, YIN Yuanjun, LIU Zequn, YANG Kai, XU Jiuhua, CHENG Zhilong, DING Rufu. Mineralized Fluids Characteristics of Cu-Au Ore District in Kenaite Mylonite Belt of Fuyun, Xinjiang[J]. Northwestern Geology, 2015, 48(3): 262-270.
Citation: WEI Xiaofeng, YIN Yuanjun, LIU Zequn, YANG Kai, XU Jiuhua, CHENG Zhilong, DING Rufu. Mineralized Fluids Characteristics of Cu-Au Ore District in Kenaite Mylonite Belt of Fuyun, Xinjiang[J]. Northwestern Geology, 2015, 48(3): 262-270.
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新疆富蕴县克乃特糜棱岩带铜金矿化流体特征

  • 1.

    北京矿产地质研究院, 北京 100012

  • 2.

    北京市地质矿产勘查开发总公司, 北京 100000

  • 3.

    北京科技大学资源工程系, 北京 100083

  • 基金项目: 中国地质调查局矿产调查项目“新疆富蕴县克乃特铜多金属矿调查评价”(1212011085020)

Mineralized Fluids Characteristics of Cu-Au Ore District in Kenaite Mylonite Belt of Fuyun, Xinjiang

  • 1.

    Beijing Institute of Geology for Mineral Resources, Beijing 100012, China

  • 2.

    Beijing Geological and Mineral Exploration and Development Co.Ltd, Beijing 100000, China

  • 3.

    Resource Engineering Department, University of Science and Technology Beijing, Beijing 100083, China

    摘要
  • 研究区位于新疆麦兹盆地东南部的可可塔勒铅锌成矿带。对与铜金矿化关系密切的石英脉中流体包裹体研究发现:其均一温度集中在160～200℃, 盐度为0.18%～8.41%, 流体密度为0.79～1.04g/cm3, 主要成分为H2O、CO2, 少量CH4, 流体来源于变质流体, 混入少量大气降水。铜金矿化期成矿流体为中低温、中低盐度、中低密度、富CO2的变质流体, 与洋陆俯冲体制下弧后盆地的VMS型铅锌矿化期的中低温、低盐度、低密度、几乎不含CO2的海水流体明显不同。显示该地区存在晚期与造山-变质热液作用有关的成矿事件, 对本区的找矿评价具有启示意义。
    The study area is located in Keketale Pb-Zn metallogenic belt in southeast of Maizi basin, Xinjiang. Studies on aqueous fluid inclusions in the quartz veins related to Cu-Au mineralization demonstrate that the total homogenization temperatures are concentrated in the range of 160-200 ℃, while the salinity is 0.18%-8.41%, the fluid density is 0.79-1.04 g/cm3, and the fluid inclusions components are mainly H2O and CO2, with minor CH4. The fluids were derived from metamorphic fluids and mixed with a little meteoric water. The fluids of Cu-Au mineralization period were metamorphic fluids with medium-low temperatures, medium-low salinities, medium-low density and CO2 enrichment. The metallogenic fluids are different from the marine water fluids of VMS Pb-Zn mineralization period from the ocean-continental subduction back-arc basin, whose features are medium-low temperatures, low salinities, low density and hardly contain any CO2. It shows that this region did exist later-fperiod metallogenic events related to orogenic-metamorphic hydrothermal process, which has enlightening significance for prospecting evaluation in this area.
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出版历程
收稿日期:  2015-03-10
修回日期:  2015-05-04
刊出日期:  2015-09-15

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