Introduction. In South Africa (SA), particularly in Gauteng province, most human settlements are close to gold mine tailings (1, 2).The province has more than 250 mine tailings; most of these are abandoned, unfenced, unguarded, unmaintained, and not vegetated, making them a substantial source of air and water pollution ().Gold mine …
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DOI: 10.3390/ijerph13010138 Corpus ID: 18756102; An Assessment of Radiological Hazards from Gold Mine Tailings in the Province of Gauteng in South Africa @article{Kamunda2016AnAO, title={An Assessment of Radiological Hazards from Gold Mine Tailings in the Province of Gauteng in South Africa}, author={Caspah Kamunda …
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Almost half of the 187,200 tons of gold ever mined in the history of human civilization has come from gold mines in Africa, and most of that from South Africa. In the past 130 years, South Africa's gold industry has weathered wars, prolonged and violent strikes, tragic accidents, resource nationalism (including super-taxes), commodity cycles …
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The gold tailings of the Witwatersrand basin have an average U concentration of about 100 mg/kg U 3 O 8 (ranging from about 10 mg/kg to several hundreds of mg/kg); these gold tailings thus contain as much U as, or more U than, tailings from dedicated U mines, for example those in Germany or Namibia .
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The Mogale Gold project has the potential to increase Pan African's gold production profile over the coming years.
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GOLD TAILINGS RECLAMATION IN SOUTH AFRICA l by JJP van Wyk2 Abstract. This paper deals with the history of rehabilitation (reclamation) on gold mine wastes since …
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Gold mining in South Africa resulted in vast volumes of tailings, which have been deposited in impoundments. Poor management of most of the tailings dams resulted in …
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minerals Article Gold Mine Tailings: A Potential Source of Silica Sand for Glass Making Uchenna Okereafor 1,*, Mamookho Makhatha 1, Lukhanyo Mekuto 2 and Vuyo Mavumengwana 3 1 Department of Metallurgy, School of Mining, Metallurgy and Chemical Engineering, Faculty of Engineering and the Built Environment, University of …
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South Africa has a robust legal framework to ensure that mine tailings do not become a health hazard. This notwithstanding, this article will show how a lack of effectiveness with regard to ...
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As gold mining is an expensive exercise, opportunities for low-cost gold production need to be found, which is spurring the retreatment of tailings, says State-owned Mintek's Minerals Processing ...
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Stibium Mining and its investment partners acquired the historic Consolidated Murchison gold-antimony mine in South Africa with the support of Core. Core assisted Stibium with on-site support in the recovery and retreatment of gold tailings, and with expansion strategies to ramp up gold and antimony production on high antimony / gold tailings.
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Mine tailings, especially historical ones, can contain economically feasible resources, and given the right condition, such tailings could be reutilised through a waste valorisation concept. A prominent example are the Witwatersrand gold mine tailings in South Africa, which have been reused in small-scale projects.
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Within South Africa, Maseki et al. (2017) found highly elevated levels of lead in soil in the vicinity of mines associated with the Witwatersrand Basin gold deposits, of which the mine tailings facilities around Soweto are part (Maseki et al., 2017).
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The conventional vegetation for gold tailings in South Africa involves grass planting into ameliorated tailings, and is primarily used for dust control and stabilization. ... E., Govender, K. and Viljoen, M. (2004) Ion mobility based on sequential column leaching of South African gold mine tailings dump and chemometric evaluation, Environmental ...
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GOLD TAILINGS RECLAMATION IN SOUTH AFRICA l by JJP van Wyk2 Abstract. This paper deals with the history of rehabilitation (reclamation) on gold mine wastes since the beginning of research in 1932, to large scale experi-ments during the l 950's and implementation since the 1960's. It describes the basic philosophy, techniques, methods
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However, mining in South Africa has the legacy of silica exposure, silicosis and tuberculosis, which contribute substantially to mortality and morbidity of miners. ... The environmental impact of gold …
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1. Introduction. Acid mine drainage (AMD), resulting from the gold mining activities in the Witwatersrand, South Africa, has become the focus of intense study in recent years (Naicker et al., 2003, Cukrowska et al., 2004, Coetzee et al., 2010, Nengovhela et al., 2007, Tutu et al., 2008, Peretyazhko et al., 2009).This is mostly due …
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Remining the Mogale Gold tailings storage facilities is expected to add about 50 000 oz/y of production over its 13-year life-of-mine (LoM). The project entails low unit …
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Surface gold tailings retreatment company, DRDGOLD, has begun the first phase of what will be one of the largest tailings operations in South Africa.
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Our South African operations produced 1.36Moz in FY22 and the underground recovered grade was 5.37g/t. In the 2023 financial year, we plan to produce 1.4-1.5Moz.
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In this study, a number of oedometer tests were conducted on gold tailings sourced from an active tailings dam in South Africa. Several specimens were prepared at various initial densities and ...
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Chamber of Mines (now Minerals Council South Africa) founded 1890 ... Boom period for South African gold mining with production peaking at over 1,000 tonnes 1973 ... A tailings dam at Harmony's Merriespruit …
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South Africa, a study by (Malatse and Ndlovu 2015) evaluated the viability of using Witwa-tersrand gold mine tailings for brickmaking, with positive results. In addition, the inter-views with experts and industry representa-tives indicated that the use of gold tailings for the production of bricks has been both inves-
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The tailings retreatment sector in South Africa has been receiving a lot of attention due to the economic, environmental, financial, and political imperatives impacting new and existing tailings facilities. ... problem with tailings from the Witwatersrand gold mines. If inhaled, U causes damage to lungs, and after entering the bloodstream, the ...
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Extent of Gold Mining in South Africa and Its Contribution to Waste Production ... The vast majority of gold mine tailings are acidic, usually very strongly acidic [2,10–12].
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FY23 PERFORMANCE AND FOCUS AREAS. Of the 84 tailings facilities under management, there are 18 operational, 11 remining and 55 dormant and inactive facilities in South Africa – all operational facilities use upstream deposition, incorporating day wall and basin or upstream cyclone deposition.
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One of the widely applied solutions for solving environmental pollution caused by gold tailings and slag is backfilling. Backfilling was first realized and implemented in South African gold mines as support for underground stope and reinforcement pillars to reduce geological hazards (Tesarik et al., 2009).Many countries have started exploring …
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South Deep Gold Mine South Africa Effective Date: 31 December 2021 Prepared by Gold Fields Limited Qualified Person Company Date of Signing Dr Julian Verbeek FAusIMM Gold Fields 30 June 2022 Richard Butcher FAusIMM (CP) Gold Fields 30 June 2022
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