An improved prediction-area plot for prospectivity analysis of mineral deposits

Roshanravan, Bijan, Aghajani, Hamid, Yousefi, Mahyar, and Kreuzer, Oliver (2019) An improved prediction-area plot for prospectivity analysis of mineral deposits. Natural Resources Research, 28 (3). pp. 1089-1105.

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In this paper an improved prediction-area plot has been developed. This type of plot includes performance measures similar to other existing methods (receiver operating characteristics, success-rate curves and ordinary prediction-area plots) and, therefore, offers a reliable method for evaluating the performance of spatial evidence maps and prospectivity models. To demonstrate the reliability of the improved prediction-area plot proposed, we investigated the benefits of augmented targeting criteria through remotely sensed exploration features, compared to only geological map-derived criteria, for mineral prospectivity analysis using as an example the podiform chromite deposits of the Sabzevar Ophiolite Belt, Iran. The application of the newly developed improved prediction-area plot to the prospectivity models generated in this study indicated that the augmented targeting criteria by using remote sensing data perform better than non-updated geological map-derived criteria, and that model effectiveness can be improved by using an integrated approach that entails geologic remote sensing.

Item ID: 58408
Item Type: Article (Research - C1)
ISSN: 1573-8981
Keywords: Improved prediction-area plot, Geologic remote sensing, Mineral prospectivity modeling, Podiform chromite deposits, Sabzevar Ophiolite Belt, Iran
Copyright Information: © 2018 International Association for Mathematical Geosciences
Date Deposited: 29 May 2019 07:31
FoR Codes: 37 EARTH SCIENCES > 3705 Geology > 370511 Structural geology and tectonics @ 100%
SEO Codes: 84 MINERAL RESOURCES (excl. Energy Resources) > 8401 Mineral Exploration > 840199 Mineral Exploration not elsewhere classified @ 100%
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