Technology and Methodology |
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A MIXED ALTERATION REMOTE SENSING MODEL FOR
EXTRACTING MINERALIZATION INFORMATION:
A CASE STUDY OF THE YINGZUISHAN GOLD DEPOSIT |
YANG Bo 1, WU De-wen 2,3, CHEN Yun-hao 1, LI Jing 1, ZHU Gu-chang 3 |
1.College of Resources Science and Technology, Key Laboratory of Environmental Change and Natural Disaster of the Ministry of Education of China, Beijing Normal University, Beijing 100875, China; 2.School of the Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China; 3.Remote Sensing Centre of China Non-ferrous Metals Resource Geological Survey, Beijing 065201, China |
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Abstract The Yingzuishan gold deposit in Gansu Province is characterized by different wall rock alterations and
complicated mineralizations. According to the difference in spectral characteristics between mineralized alteration
rocks and wall rocks, the authors made correlation analysis and factor analysis between the in-situ measured
spectral data and multivariate data of rocks and minerals, set up remote sensing models for mixed alteration, and
selected the best variable or variable unit. The abnormal information of mixed alteration was also extracted.
Practice has proved that such a method is effective in extracting mineralization information.
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Issue Date: 30 July 2009
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