河北省灵寿县西石门金矿黄铁矿拉曼光谱研究

doi:10.3964/j.issn.1000-0593(2017)08-2435-05

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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

Received: 2015-05-20 Accepted: 2015-11-29

ZTFLH:

O657.3

Corresponding Authors: ZHANG De-hui, CUI Yue-ju E-mail: cehuicuiyueju@126.com；zhdehui@cugb.edu.cn

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https://www.gpxygpfx.com/EN/10.3964/j.issn.1000-0593(2017)08-2435-05 OR https://www.gpxygpfx.com/EN/Y2017/V37/I08/2435

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