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    DONG Fu-quan, QIAN Zhuang-zhi, WANG Jian-zhong, et al. New Progress on the Ore-Genesis of the De’erni Copper Deposit[J]. Northwestern Geology, 2012, 45(3): 93-102.
    Citation: DONG Fu-quan, QIAN Zhuang-zhi, WANG Jian-zhong, et al. New Progress on the Ore-Genesis of the De’erni Copper Deposit[J]. Northwestern Geology, 2012, 45(3): 93-102.
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    New Progress on the Ore-Genesis of the De’erni Copper Deposit

    • 1.

      No.11 Gold Geological Party of the CAPF, Ningxiang 410600, China;College of Earth Science and Resources of the Chang'an University, Xi'an 410600, China

    • 2.

      College of Earth Science and Resources of the Chang'an University, Xi'an 410600, China

    • 3.

      No.5 Gold Geological Party of the CAPF, Xi'an 710100, China

    • 4.

      Natural Resources Monitoring Centre in Ningxia, Yinchuan 750001, China

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    • Received Date: January 04, 2012
    • Revised Date: June 17, 2012
    • Published Date: September 04, 2012
      Graphical Abstract
      • Abstract
    • De'erni copper deposit, located in the southern slope of De'erni, in the middle of Jishi Mountain, Maqin country, Qinghai Province, is a comprehensive utilization deposit which is dominated by copper. Because there are considerable differences in its ore-genesis, we have studied its ore-genesis by macro-observation, mineralogical studies and electron probe analysis in detail. This is the first time that barite and gypsum were discovered. Quartz-carbonate-barite-gypsum is not only a low-temperature mineral assemblage but also is a typical mineral composition of submarine hydrothermal deposit. By mineral environment of structure, material source, strawberry-like structure, siliceous rockslying at the top of the orebodies, the discovery of barite and gypsum, we suggest that De'erni copper deposit is hydrothermal exhalative-sedimentary deposit in seafloor.
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