Application of multifractal modeling technique in systematic geochemical stream sediment survey to identify copper anomalies: A case study from Ahar,Azarbaijan, Northwest 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 Ave, Tehran, Iran;2. Department of Mining, Metallurgy and Petroleum Engineering, Amirkabir University, Hafez Ave. 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: | This research is based on the application of stream sediments to mineral exploration. Identifying the geochemical anomalies from background is a fundamental task in exploration geochemistry. This paper applied the element concentration–area (C–A) model, to separating the geochemical anomalies from background based on a fractal approach and for the compilation of geochemical mapping from stream sediment samples (n = 620) of the Ahar region (Iran), where some Cu mineralization occurs. Comparisons of the known copper occurrences against the anomalous area created using thresholds from C–A method illustrate these hits. All of known Cu mineralizations and moreover defines two extra Cu anomaly districts. Additional sampling (n = 186) around new Cu anomaly confirms this anomaly within the district. |
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