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    西藏日土县阿汝村东剪切带型铜金矿的发现、地质特征及意义

    Discovery and geological characteristics of shear zone type copper-gold deposit in eastern Aru Village, Rutog County, Tibet, and their geological significance

    • 摘要: 研究区位于著名的班公湖—怒江成矿带上的扎普—多不杂Fe-Cu-Au成矿亚带内,大地构造位于班—怒结合带北侧,成矿地质条件极为有利,但地质工作程度却较低。本文在1:50000区域地质矿产调查工作成果的基础上,论述新发现的阿汝村东剪切带型铜金矿的地质特征及意义。结果表明,该铜金矿的成矿地质条件较好,共9条达工业品位的铜金矿体,伴生有用组份主要为Ag、Pb、Zn,矿体主要赋存于燕山期韧性剪切带中。该铜金矿的发现,对该地区剪切带型铜金矿的研究与找矿具有参考价值。

       

      Abstract: The studied area is located within the Zhapug-Duobuza Fe-Cu-Au metallogenic sub-belt of the Bangong lake-Nujiang metallogenic belt, and tectonicallyin the northern side of the Bangong lake-Nujiang joint belt. This area is endowed with preferential conditions for mineralization but is poorly exploited. On the basis of the results of 1:50000 regional geological survey, this study discusses the geological characteristics and significance of the new found shear zonetype copper-gold mine in eastern Aru Village, Rutog County, Tibet. The result shows that the copper-gold deposit with good metallogenic conditions hosts nine industrial-grade copper gold orebodies with the associated useful components suchas Ag, Pb and Zn. The orebodies occur mainly in the Yanshanian ductile shear zone. The discovery of the copper-gold deposit has important significance for studying and exploring shear zone type copper-gold deposits in this area.

       

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