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Metal Mine ›› 2013, Vol. 42 ›› Issue (03): 104-107.

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Research on Particles of the Deep Oxidized Zone of Dongshengmiao Polymetallse Sulfide Ores

Yuan Xueling1,2，Cao Jianjin1,2，Lai Peixin1,2，Wu Zhengquan1，Wang Zhenghai1,2，Zeng Jiannian3，Wu Yafei3   

  1. 1.Department of Earth Sciences，Sun Yat-sen University；2.Guangdong Key Laboratory of Geological Process and Mineral Resources Exploration；3.The Faculty of Earth Resources，China University of Geosicence（Wuhan）
  • Online:2013-03-15 Published:2013-04-16

Abstract: Transmission electron microcopy(TEM) had been used to analyze particles of the deep oxidized zone collected from Dongshengmiao polymetallic sulfide deposit in the Inner Mongolia，and oxidation process and source of oxidized particles had been discussed.The results showed that oxidized particles formed by oxidation are mainly composed of native silver，quartz，goethite particles，etc.In general，they are in the state of aggregations with various crystalline forms，the size of which ranges from few nanometers to several hundred nanometers.Their constituent elements exist in high valence，which are in consistent with oxidizing environment of the deep oxidized zone.The types of particles are different at different oxidized zones because of different geological environment and oxidizing conditions.

Key words: Polymetallic sulfide deposit, Oxidized particles, TEM analysis, Oxidation process, Source, Dongshengmiao