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J4 ›› 2011, Vol. 19 ›› Issue (3): 4-8.

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Research on the Isotope Geochemical Characteristic of Kuangou Gold Deposit In Tianshui City,Gansu Province

LI Wenliang1,ZHANG Yongqiang2,QING Min1,GAO Hongxing3,DONG Huafang3,WANG Zhihua1,YUAN Shisong1   

  1. 1.Gold Geological Institute of CAPF,Langfang 065000,Hebei,China；
    2.Lizi Gold Deposit of Gansu Province,Tianshui 741005,Gansu,China；
    3.Tongguan China National Gold Mining Co.,Ltd.,Weinan 714300,Shaanxi,China
  • Received:2010-10-21 Revised:2011-03-28 Online:2011-06-30 Published:2012-03-28

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Abstract:

By analysis on the characteristics of hydrogen,oxygen,sulfur and lead isotope of Kuangou gold deposit in Liziyuan area,we discuss the issues about the nature and source of ore-forming fluid and the source of metallogenic material.Hydrogen and oxygen isotope results show that ore -forming fluid of Kuangou gold deposit is a mixed sources,it is mainly magmatic hydrothermal,mixed some precipitation and metamorphic hydrothermal.Sulfur isotopic composition show that ore sulfur of Kuangou gold deposit is mainly magmatic sulfur,and mixed stratigraphic sulfur. Lead isotopic composition show that metallogenic minerals are from lower crust and upper mantle,it is the crustmantle mixed source.During the process of upward migration of ore-forming fluids,it is mixed stratigraphic lead,and mineralization has close relationship with quartz syenite rock in Mesozoic.

Key words: Kuangou gold deposit, Isotope, Geochemical characteristics, Gansu Province

CLC Number: 

  • P618.51

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