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GIS Platform‐based Multi‐source Information System for Evaluation of Cu, W and Au Resources in the Northern Qilian, China

Abstract  Based on the information of geology, geochemistry, geophysics and remote sensing, the GIS of multi‐source information is used to evaluate Cu, W and Au mineral resources in Northern Qilian, China. As the GIS evaluation system works out in the thinking of geological prospecting, its functions include file management, graph edition, database maintenance, information inquiry and comprehensive spatial analysis as well as prospecting target prognosis. Accordingly, the GIS evaluation system can be used directly and conveniently for inquiry and analysis of visual graphs or images.