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Geoscience ›› 2018, Vol. 32 ›› Issue (04): 646-654.DOI: 10.19657/j.geoscience.1000-8527.2018.04.02

• Ore Deposits and Geochemistry • Previous Articles     Next Articles

The Metallic Minerals and S and Pb Isotope Compositions of the Harizha Lead-Zinc Polymetallic Deposit, East Kunlun

ZHANG Bin1,2(), YANG Tao1, YANG Shengfei1, LI Jinchao1, KONG Huilei1   

  1. 1. Xi’an Center of Geological Survey,China Geological Survey,Xi’an,Shaanxi 710054,China
    2. No.717 Geological Team, Northwest Mining and Geological Exploration Bureau for Nonferrous Metals,Baoji,Shaanxi 721015,China
  • Received:2017-10-16 Revised:2018-01-30 Online:2018-08-10 Published:2018-09-19

Abstract:

The Harizha lead-zinc polymetallic deposit is located in the eastern part of the East Kunlun orogenic belt, closing to the north side of the central Kunlun fault. The reported data show that the Harizha lead-zinc polymetallic deposit has a good prospecting potential. This paper focuses on the temperature and source of ore-forming materials, based on the studies on the characteristics of metallic minerals and their S-Pb isotopes from the Harizha lead-zinc polymetallic deposit. The data show that the content of Fe in sphalerite ranges from 9.751% to 12.736%,and the range of Zn/Cd value is 56.50 to 114.39, suggest that the Harizha lead-zinc polymetallic deposit is a medium-low temperature deposit; The δ34S values of sulfide minerals in the deposit range from -3.8‰ to -0.5‰, indicating that sulfur is sourced from the deep-source magma,and the S in different sulfides are not in equilibrium. The 206Pb/204Pb,207Pb/204Pb and 208Pb/204Pb ratios of sulfide ores are 18.254-18.504, 15.614-15.800 and 38.429-39.028, respectively, which suggest that the ore-forming materials were mainly derived from the parental magma generated by mixing of mafic magma and felsic magma formed by remelting of lower crustal rocks.

Key words: S and Pb isotopes, metallic mineral, East Kunlun, Harizha

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