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ZHANG Pei-min, ZHANG Jian-guo, TANG Shu-mei, YANG Zi-an, XIAO Wen-jin, ZHENG Yue-peng. 2009: Alteration information extraction and metallogenic prognosis by remote sensing of Xiongwu town, Luoping county, East Yunnan Province. Geological Bulletin of China, 28(6): 769-775.
Citation: ZHANG Pei-min, ZHANG Jian-guo, TANG Shu-mei, YANG Zi-an, XIAO Wen-jin, ZHENG Yue-peng. 2009: Alteration information extraction and metallogenic prognosis by remote sensing of Xiongwu town, Luoping county, East Yunnan Province. Geological Bulletin of China, 28(6): 769-775.
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Alteration information extraction and metallogenic prognosis by remote sensing of Xiongwu town, Luoping county, East Yunnan Province

  • China Non-ferrous Metals Resource Geological Survey, 2.No.2 Geological survey of Jinlin Province, 3. Guilin Research Institute of Geology for Mineral Resources

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  • This study is based on the characteristic spectrum of visible light to short wave infrared band induced by iron-bearing and hydroxyl-bearing minerals under ETM, by means of principal component analysis, first we selected proper principal component images of Xiongwu town, Luoping county, East Yunnan Province, then we processed them by averaging, signal filtering and density slicing, in the end, high-value, medium-value and low-value iron and argillation alteration information was obtained. Furthermore, in combination with stratigraphic, structural, geochemical anomaly and heavy sand anomaly information, metallogenic prognosis by remote sensing is conducted, finally we delineated one Level 1 Cu-Mo-Hg, one Cu-Mo, one Level 2 Cu-Zn, one Level 3 Zn-As-Sb and one Level 3 Fe-Cu prediction area, which provides future direction for further general prospecting.
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