Combining AHP with GIS for Predictive Cu Porphyry Potential Mapping: A Case Study in Ahar Area (NW,Iran) |
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| Authors: | Kaveh Pazand Ardeshir Hezarkhani Mohammad Ataei Yousef Ghanbari |
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| Institution: | (1) Department of Mining Engineering, Science and Research Branch, Islamic Azad University, Ponak Avenue, Tehran, Iran;(2) Department of Mining, Metallurgy and Petroleum Engineering, Amirkabir University, Hafez Avenue No. 424, Tehran, Iran;(3) Department of Mining, Geophysics and Petroleum Engineering, Shahrood University of Technology, 7th tir Sq., PO Box 36155-316 Shahrood, Iran |
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| Abstract: | Using the analytic hierarchy process (AHP) method for multi-index evaluation has special advantages, while the use of geographic
information systems (GIS) is suitable for spatial analysis. Combining AHP with GIS provides an effective approach for studies
of mineral potential mapping evaluation. Selection of potential areas for exploration is a complex process in which many diverse
criteria are to be considered. In this article, AHP and GIS are used for providing potential maps for Cu porphyry mineralization
on the basis of criteria derived from geologic, geochemical, and geophysical, and remote sensing data including alteration
and faults. Each criterion was evaluated with the aid of AHP and the result mapped by GIS. This approach allows the use of
a mixture of quantitative and qualitative information for decision-making. The results of application in this article provide
acceptable outcomes for copper porphyry exploration. |
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