Terahertz Time-Domain Spectroscopic Characteristics of Typical Metallic Minerals
2024
Jingjing Zhang | Haochong Huang | Pengbo Zhao | Luyong Xu | Zhenbo Tan | Jinyuan Zhao | Enhui Yuan | Zhiyuan Zheng | Shanshan Li | Xinyu Li | Kunfeng Qiu
Accurate identification and understanding of various metallic minerals are crucial for deciphering geological formations, structures, and ages. Giving their pivotal role as essential natural resources, a microscopic exploration of metallic minerals becomes imperative. Traditional analytical methods, while helpful, exhibit certain limitations. However, terahertz time-domain spectroscopy, distinguished by its high signal-to-noise ratio, expansive frequency band, and low incident wave energy, is a promising complement to conventional techniques in characterizing metallic minerals. This study employs terahertz time-domain spectroscopy to examine samples of Stibnite, Sphalerite, Galena, and Pyrite originating from diverse geological conditions. The vibrations of molecules within these metallic minerals induce discernible changes in the terahertz spectra. Our findings untiate the extensive potential of terahertz time-domain spectroscopy in the characterization of metallic minerals, affirming its considerable practical value in mineral resource exploration.
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