| 光谱学与光谱分析 |
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| XRD, FTIR and XPS Analysis of Oxidized Particles from Dongshengmiao Pyrite-Polymetallic Sulfide Deposit, Inner Mongolia |
| YUAN Xue-ling1, 2, CAO Jian-jin1, 2*, XIE Fang-yan3, YANG Xiao-jie1, YAN Hong-bin1, LAI Pei-xin1, 2, WANG Zheng-hai1, 2, ZENG Jian-nian4 |
1. Department of Earth Sciences, Sun Yat-sen University, Guangzhou 510275, China
2. Guangdong Key Laboratory of Geological Process and Mineral Resources Exploration, Guangdong 510275, China
3. Instrumental Analysis of Research Center, Sun Yat-sen University, Guangzhou 510275, China
4. The Faculty of Earth Resources, China University of Geosicence, Wuhan 430074, China |
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Abstract In the present paper, characteristics of material compositions, phase structures, surface element states, and transformation mechanism of oxidized particles from Dongshengmiao pyrite-polymetallic sulfide deposit were studied using modern analytical testing technology including XRD, FTIR and XPS. The results show that the samples consist of gypsum, calcite, quartz, muscovite, goethite, organic matter, etc. Primary ore in deep oxidation zone mainly under went such processes as oxidization, hydrolysis, dehydration and carbonation. Compared to the surface oxidation zone of arid and extremely arid regions in the northwestern China, the oxidation process and oxidizing condition of the deep oxidation zone were less complex. New mineral type was also not found, and extensively developed sulfate minerals were rare to be seen. The research results can not only be applied to mineral identification of oxidized particles from this type of ore deposit but also play an important role in ore exploration, mining, mineral processing, etc.
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Received: 2012-06-29
Accepted: 2012-08-20
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Corresponding Authors:
CAO Jian-jin
E-mail: eescjj@mail.sysu.edu.cn
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