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Original Articles Open Access
ASTER Data have high spectral resolution and can be used to quickly mapping on a variety of mineral alteration .The pertrochemistry components in an area in Ethiopia were chosen as experimental targets. Eight types of mineral alteration were extracted using method of PCA and band ratio from ASTER data. Each type of mineral alteration was divided into three levels. Finally the petrochemistry components maps were finished. They provid guidance for further geological prospecting work .
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Author(s): Ming Tao Zhang Wenshan and Peng Guangxiong
Alteration extraction, Petrochemistry components, ASTER, Ming Tao, Zhang Wenshan and Peng Guangxiong