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Tailing ponds' classification using geoelectrical investigations

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Book
This book provides a thorough, up-to-date overview of wastes accumulating at mine sites. It deals comprehensively with sulfidic mine wastes, mine water, tailings, cyanidation wastes of gold-silver ores, radioactive wastes of uranium ores, and wastes of phosphate and potash ores. The book emphasizes the characterization, prediction, monitoring, disposal and treatment as well as environmental impacts of problematic mine wastes. The strong pedagogical framework is supported by case studies from around the world, presentation of crucial aspects of mine wastes as scientific issues; end-of-chapter summaries as well as lists of resource materials and www sites for each waste type. The considerably updated third edition has novel and notable changes including: revision of text to reflect major developments and contemporary issues that are taking place in the field of mine waste science; new web pages at the end of each chapter; over 20 case studies and scientific issues; over 150 figures and tables; and an updated bibliography with over 1200 references. This newly balanced text will continue to equip the student and the professional with a thorough understanding of the principles and processes of mine wastes. © Springer-Verlag Berlin Heidelberg 2010. All rights are reserved.
Article
This paper describes the geochemical testing of mine tailings sourced from the Black Swan Ni Mine located near Kalgoorlie, Western Australia. Acid–base accounting was used to provide an indication of the acid generating capacity of two kinds of mining tailings: disseminated-ore tailings from the Cygnet Tailings Dam Storage Facility (CTDSF) and massive-ore tailings from the Silver Swan Tailings Dam Storage Facility (SSTDSF). All of the tailings in SSTDSF have acid generating potential which is consistent with previous research reports. New findings in this paper reveal that approximately 16% of the tailings in CTDSF have the potential to be acid generating. In contrast, previous reports state that the disseminated-ore tailings are classified as non-acid forming. Most of the potential acid generating tailings in the CTDSF are found in the upper-middle sections of the tailings profile, but some are located at the bottom of the tailings dam. The upper-middle section of the tailings is oxidized because these tailings have interacted with atmospheric O2 and rain and surface water. Oxidation of the bottom tailings in the CTDSF may be due to infiltration of ground water into hidden fractures under the east bank of CTDSF, which caused these tailings to oxidize under closed and reduced conditions.
Article
A comparative geochemical, mineralogical, and microbiological study of three mine tailings impoundments from the La Andina, El Teniente, and El Salvador porphyry copper deposits, Chile is presented. These tailings can be characterized as low-sulfide (1.7, 1.0, and 6.2 wt% pyrite equivalent, respectively) and low-carbonate containing (1.4, 0, and 0 wt% calcite equivalent, respectively). The main focus was on the mineralogical and geochemical changes at the interface between the oxidation zone and the primary zone in the sulfidic flotation tailings. The criteria used for selection of the tailings impoundments included knowledge of climate, flotation process, the absence of anthropogenic alteration (additional water or tailings input) after operations had ceased, and the knowledge that, at each site, all tailings had been derived from only one mine. In this way the influence of climate, flotation process, and ore mineralogy can be qualitatively studied. Two schematic models of element cycling in sulfide mine tailings controlled by climatic conditions are presented.
Environmental geochemistry of sulfide mine-wastes: Mineralogical Association of Canada
  • D W Blowes
  • C J Patcek