Abstract
Selected mine tailings in northern-central Chile were geochemically and mineralogically studied for their economic potential and environmental impact. High bulk Co content up to 1500 ppm and Cu content up to 9100 ppm are caused by Co-bearing pyrite, chalcopyrite, and their secondary products such as malachite and Co-Cu-carrying Fe-hydroxides. Due to high amount of sulfide minerals acid mine drainage (AMD) is forming in the oxidized upper part of the tailing, which makes a retreatment in dispensable to reduce the environmental impact.
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Berkh, K., Rammlmair, D., Drobe, M., & Meima, J. (2019). Case Study: Geochemistry and Mineralogy of Copper Mine Tailings in Northern Central-Chile. In Springer Proceedings in Earth and Environmental Sciences (pp. 37–40). Springer Nature. https://doi.org/10.1007/978-3-030-22974-0_9
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