Mine drainage water from the Sar Cheshmeh porphyry copper mine, Kerman, IR Iran |
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Authors: | J Shahabpour M Doorandish |
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Institution: | (1) Department of Geology, Shahid bahonar University, P.O. Box 955, 76135 Kerman, IR, Iran |
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Abstract: | This paper presents the results of a study on stream and mine waters in the area of one of the world largest porphyry copper
deposit located in the southeastern Iran, the Sar Cheshmeh porphyry copper mine. Trace metals are present as adsorption on
Fe and Mn oxide and hydroxide particles, as sulfate, simple metal ions, and scarcely as adsorption on clay particles and hydrous
aluminium oxides. Mean pH decreases and the mean concentration of trace elements, EC and increases from the maximum discharge period (MXDP) during snow melt run off (May), through the moderate discharge period
(MDDP; March and July) to the minimum discharge period (MNDP; September).Water samples have sulfatic character essentially,
however, from the MNDP through the MDDP towards the MXDP they show a bicarbonate tendency. This study indicates that the surface
waters draining the Sar Cheshmeh open pit have a higher pH and lower concentration of trace metals compared with some other
porphyry copper deposits. |
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Keywords: | AMD Sar Cheshmeh Porphyry copper deposit Iran |
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