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Metal Mine ›› 2011, Vol. 40 ›› Issue (10): 113-115+120.

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Occurrence Characteristics of Ore-forming Elements in Xi'ao Copper-Polymetallic Deposit in Gejiu,Yunnan

Li Pei1,2，Deng Xiaohu1,2，Chen Shouyu1,2   

  1. 1.State Key Laboratory for Geological Processes and Mineral Resources，China University of Geosciences（Wuhan)；2.Resources Institute，China University of Geosciences（Wuhan)
  • Online:2011-10-11 Published:2011-10-12

Abstract: This paper investigated the occurrence characteristics of main ore-forming elements such as Cu，Sn，W in deposit，from the observe and analysis on the wall-rocks，altered granite and ore samples in Xi'ao copper-polymetallic deposit in Gejiu，Yunnan by using optical microscopy，electron probe micro-analyzer（EPMA) and scanning electron microscopy（SEM).The results showed that copper occurs as chalcopyrite and enargite，tin occurs as cassiterite and custerite，and tungsten occurs as scheelite.Besides Cu，Sn，W used in industry,Mo，Bi can be comprehensively utilized as well.

Key words: Ore-forming elements, Occurrence characteristics, Electron probe micro-analyzer（EPMA), Altered granite, Yunnan Gejiu