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4 April 2023 Application of Gaofen-5 hyperspectral data in uranium exploration: a case study of Weijing in Inner Mongolia, China
Yuantao Zhang, Wei Pan, Zhangfa Yu
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Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 126172P (2023) https://doi.org/10.1117/12.2665097
Event: Ninth Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China
Abstract
Chinese Gaofen-5 (GF-5) satellite is the world's first full-spectrum hyperspectral satellite to achieve comprehensive observations of the atmosphere and land. The Advanced Hyperspectral Imager (AHSI) carried by GF-5 can acquire 330- chanel imagery covering 390~2500 nm. However, the application of GF-5 AHSI imagery in uranium exploration is currently less. In this paper, the AHSI imagery was used for prospecting uranium mineralization in the Weijing, Inner Mongolia, China. The matched filter (MF) and threshold segmentation were used for mapping goethite, Al-high, Al- medium and Al-poor sericite. And the principal component analysis (PCA) and gray-level co-occurrence matrix (GLCM) were used to extract the texture information of the study area. Subsequently, combined with geological information, the relationship between alteration information, texture complexity and uranium mineralization was discussed, and it was pointed out that goethite, Al-medium, Al-poor , and Al-high sericite and texture complexity in this area can be used as indicators of uranium mineralization. Finally, two prospects were delineated, which will guide the follow-up uranium exploration in this area and promote the application of GF-5 AHSI data.
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Yuantao Zhang, Wei Pan, and Zhangfa Yu "Application of Gaofen-5 hyperspectral data in uranium exploration: a case study of Weijing in Inner Mongolia, China", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 126172P (4 April 2023); https://doi.org/10.1117/12.2665097
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KEYWORDS
Minerals
Uranium
Remote sensing
Geology
Hyperspectral imaging
Satellites
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