With the increasing global demand for strategic mineral resources, it is of great practical significance to investigate mineral resources such as fluorite and lepidolite in Termusayi mining area of Qiemang County, Xinjiang. The purpose of this study is to use remote sensing technology to accurately identify and locate the mineralization information of fluorite and lepomica in the mine area, so as to provide a scientific basis for follow-up geological prospecting. During the study, Landsat 8 remote sensing images were selected to successfully extract the abnormal information of iron stain and hydroxyl alteration, which can effectively indicate the potential mineralization area. At the same time, ASTER remote sensing image was used to select the appropriate band according to the band characteristics, and the principal component analysis method was used to clearly obtain the distribution diagram of fluorite and lepomica, which intuitively demonstrated the spatial distribution characteristics of these two mineral resources in the mining area. The research results not only reveal the regularity of mineralization of fluorite and lepomica in Termusai mining area, but also delineate the key target area for further geological prospecting in this area, which improves the efficiency of prospecting and reduces the cost of prospecting. The research method and results have a certain reference value for other regions to carry out similar remote sensing geological prospecting research, and help to promote the wide application of remote sensing technology in the field of geological prospecting.
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