| 光谱学与光谱分析 |
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| Study on Infrared Spectra Characteristics of Fault Particles of the Sulfide Deposit |
| CAO Jian-jin, JIANG Zong-tao, XIONG Zhi-hua, YANG Yan-na, CHEN Shi-yue |
| Department of Earth Sciences, Sun Yat-sen University, Guangzhou 510275, China |
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Abstract Predecessors researched emphatically the mineralization and the movement of ore body in space in fault movement. Study on particles that were formed from sulfide ore and wall rock in fault movement has been always ignored. The present paper studies the fault particles of the sulfide deposit using the FTIR spectroscopic spectra and scanning electron microscope. The results show that the samples consist of hydrous calcium sulphate, hydrous sulfur calcium carbonate, quartz, sericite, and organic matter. This shows that S2- in sulfide minerals is oxidized and transformed into S6+ in fault movement. Sulfide minerals formed hydrous calcium sulphate and sulfide minerals and carbonate minerals formed hydrous sulfur calcium carbonate. Hydrous sulfur calcium carbonate is a mineral newly discovered in our study. The research results not only can be applied in the prospect and the exploration of this ore deposit type but also is important for ore utilization. In addition, this paper discussed identification characteristics of infrared spectrum of hydrous calcium sulphate and hydrous sulfur calcium carbonate and pointed out that infrared spectral analysis is suitable for analysis of hydrous calcium sulphate and hydrous sulfur calcium carbonate particles formed in fault movement.
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Received: 2008-07-10
Accepted: 2008-10-20
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Corresponding Authors:
CAO Jian-jin
E-mail: eescjj@mail.sysu.edu.cn
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