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Natural Resources Research

, Volume 25, Issue 4, pp 417–429 | Cite as

An AHP–TOPSIS Predictive Model for District-Scale Mapping of Porphyry Cu–Au Potential: A Case Study from Salafchegan Area (Central Iran)

  • Hooshang H. Asadi
  • Atefeh Sansoleimani
  • Moslem Fatehi
  • Emmanuel John M. Carranza
Article

Abstract

The Salafchegan area in central Iran is a greenfield region of high porphyry Cu–Au potential, for which a sound prospectivity model is required to guide mineral exploration. Satellite imagery, geological geochemical, geophysical, and mineral occurrence datasets of the area were used to run an innovative integration model for porphyry Cu–Au exploration. Five favorable multi-class evidence maps, representing diagnostic porphyry Cu–Au recognition criteria (intermediate igneous intrusive and sub-volcanic host rocks, structural controls, hydrothermal alterations, stream sediment Cu anomalies, magnetic signatures), were combined using analytic hierarchy process and technique for order preference by similarity to ideal solution to calculate a final map of porphyry Cu–Au potential in the Salafchegan area.

Keywords

Porphyry Cu–Au AHP–TOPSIS Data integration Central of Iran 

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Copyright information

© International Association for Mathematical Geosciences 2016

Authors and Affiliations

  • Hooshang H. Asadi
    • 1
    • 2
  • Atefeh Sansoleimani
    • 3
  • Moslem Fatehi
    • 1
  • Emmanuel John M. Carranza
    • 4
    • 5
  1. 1.Department of Mining EngineeringIsfahan University of TechnologyIsfahanIran
  2. 2.Centre for Exploration Targeting, Australian Research Council Centre of Excellence for Core to Crust Fluid Systems, School of Earth and EnvironmentThe University of Western AustraliaCrawleyAustralia
  3. 3.School of Earth SciencesThe University of QueenslandBrisbaneAustralia
  4. 4.Economic Geology Research Centre, College of Science, Technology and EngineeringJames Cook UniversityTownsvilleAustralia
  5. 5.Institute of GeosciencesState University of CampinasCampinasBrazil

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