Study on Raman Spectrum Characteristics of Pyrite in the Xishimen Gold Deposit in Lingshou，Hebei
GUO Gui-juan1, ZHANG De-hui1*, LI Sheng-rong1, XIE Chao2, CUI Yue-ju2*
1. School of Earth Sciences and Resources, China University of Geosciences，Beijing 100083，China
2. Key Laboratory of Earthquake Prediction，Institute of Earthquake Science，China Earthquake Administration，Beijing 100036，China
Abstract：The gold-bearing pyrite samples in different production ranges and generations from the Xishimen quartz-vein gold deposit were investigated by micro-Raman spectroscopic measurement. The Raman stretching vibration frequency of two texture type was observed in gold-bearing pyrite: One was the stretching vibration frequency of Fe—[S2]2- within 338～343 cm-1; Another was the stretching vibration frequency of Au+—[S2]2- within 374～379 cm-1. Different production ranges and generations of pyrite had different Raman spectra characteristics: All the peaks shift of Au-bearing pyrite had large intensity, big changes and towards low-frequency due to the stretching vibration of Au+—[S2]2-; All the peaks shift of Au-poor pyrite had low intensity, small changes and towards high-frequency due to the stretching vibration of Fe—[S2]2-; The study showed that the main reason of the changes of the Raman spectral was gold-bearing, so the Raman spectral characteristics of gold-bearing pyrites can be used to evaluate gold-bearing properties and geological environment of gold deposits.
Key words：Xishimen；Gold deposit；Pyrite；Raman spectrum；Generation; Production range
郭贵娟，张德会，李胜荣，谢 超，崔月菊. 河北省灵寿县西石门金矿黄铁矿拉曼光谱研究[J]. 光谱学与光谱分析, 2017, 37(08): 2435-2439.
GUO Gui-juan, ZHANG De-hui, LI Sheng-rong, XIE Chao, CUI Yue-ju. Study on Raman Spectrum Characteristics of Pyrite in the Xishimen Gold Deposit in Lingshou，Hebei. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2017, 37(08): 2435-2439.
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