Abstract
In this article, by using TOPSIS technique we propose a new method for mineral potential mapping that commonly used to exploration mineral deposits. TOPSIS is a practical and useful technique for ranking and selection of a number of externally determined alternatives through distance measures. We used TOPSIS and GIS to providing prospectivity maps for porphyry copper mineralization on the basis of criteria derived from geological, geochemical, and geophysical controls, and remote sensing data including alteration and faults in Ahar-Arasbaran area in North West Iran. This Method allowed a mixture of quantitative and qualitative information with group decision. The results demonstrate the acceptable outcomes for copper porphyry exploration.
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