grazing in gold mine tailings dumps in sa

Heavy metal concentration in soil in the tailing dam vicinity of an old ...

Mar 17, 2016 ... More than a century of gold mining has left towering piles of tailings throughout Johannesburg's landscape that the current residents see as part of the natural backdrop to the city (Fig. 1). The mine dumps, which are more than 200 around the city, contain uranium, lead, arsenic, and other heavy metals...

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Heavy metal concentration in soil in the tailing dam vicinity of an old ...

Mar 17, 2016 ... Full Text · PDF (1176 K) · PDF-Plus (440 K) · Suppl. data; Citing articles. Heavy metal concentration in soil in the tailing dam vicinity of an old gold mine in Johannesburg, South Africa. R.Y. Olobatoke, M. Mathuthu. Center for Applied Radiation Science and Technology, North West University, Mafikeng...

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Radioactive city: how Johannesburg's townships are paying for its ...

Jul 6, 2015 ... An aerial view of mine dumps near Johannesburg. Photograph: Richard Du Toit/Minden Pictures/Corbis. “For most of the gold mines, uranium was merely a waste product and therefore dumped without being recovered. Those tailing disposal facilities therefore have a relatively high uranium concentration...

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Frequency of Mine Dust Episodes and the Influence of ... - Hindawi

Sep 26, 2013 ... Aeolian dispersal of dust from gold mine tailing storage facilities impacts negatively on amenities, human health, and the environment of the Witwatersrand region, South Africa. The present study adopted a multivariate analytical method to quantify the effect of specific meteorological parameters on dust fall...

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The Nature and Articulation of Ethical Codes on Tailings ... - MDPI

Oct 12, 2017 ... From when gold mining started more than a century ago, until 2006, South Africa has been the largest producer of ... in South Africa to be the ethics of tailings handling and other mine waste disposal practices; and the impact these .... Cattle and grazing land is affected, depriving communities of an income.

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Decommissioning Projects - South Africa - WISE Uranium Project

"The objective is to study the environmental exposure to uranium and its decay products of the population living in close proximity to gold mine tailing dumps in and around Johannesburg," the WHO said. "These residue areas are often densely populated and create the potential for substantial levels of exposure to uranium.

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A review of problems and solutions of abandoned mines in South ...

May 7, 2015 ... This review looks at the general problems of abandoned mines in South Africa and the efforts made towards rehabilitation of abandoned mine sites. .... buildings and workings, open pits, stockpiles, roads, mineral processing areas and facilities, and waste disposal areas such as tailing dumps and ponds.

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Modelling of Radiological Health Risks from Gold Mine Tailings in ...

Jun 7, 2016 ... Modelling of Radiological Health Risks from Gold Mine Tailings in Wonderfonteinspruit Catchment Area, South Africa. Manny Mathuthu,1 .... Mining activities are engaged in both deep-level (500 m–4000 m), high-grade underground mining as well as low-grade, surface rock dump mining. The gold mine...

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Ecologies of Gold: Mining Landscapes of Johannesburg

Feb 25, 2011 ... In the early 1960s, Top Star was converted into a drive-in movie theater, which showed movies until 2006, when it was shut down by DRD Gold to extract latent gold in the mine waste. The mine dump's dramatic height within Johannesburg's urban core offered spectacular views of the Central Business...

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The Future of Tailings Disposal in South Africa - InfoMine

Mar 7, 2012 ... Tailings & grits stored in dumps –source of diamonds today! ▫ Slimes ... I have a long association with tailings disposal in SA – over 55 years. ▫ I have ... Early gold mining. ▫ Struben brothers near Little Falls. ▫ Gold mining started on Reef in 1885. ▫ Treatment of weather ores – easy to mine and break-up.

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The Influence of Environmental Impacts on Tailings Impoundment ...

Erosion and anti-erosion measures for abandoned gold tailings dams. National meeting of the ... Moist Cool Highveld Grassland. In: Low, A.B. and. Rebelo, A.G. (Eds.). Vegetation of South Africa, Lesotho and Swaziland. 1996. Department of. Environmental ... Modelling of Blow-Off Dust From Ash Dumps. Eskom Report...

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The dust mountain that's just always there | IOL News

May 17, 2017 ... Bells clink as goats and cows graze within the tailings pile's 500m exclusion zone. The top level of the area's dirt is stained yellow by what appears to be dust from the nearby piles. The dissonant buzz of motorbikes is juxtaposed over the sound of farming, as rich youths ride motorbikes on the dumps,...

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(pty) ltd tailings storage facility, benoni, south africa - Goldplat

Jan 17, 2016 ... It is considered a practicality to include both the Slimes Resource and the Footwall Soil Resource into one overall total. Gold-in-solution from the tailings deposition, as well as minor particulate gold, has penetrated the slimes soil interface enriching the soil footwall. When mining of the TSF does take place...

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Mine site rehabilitation - are we reinventing the wrong wheel? - UQ ...

Sep 6, 2016 ... In the past, the adopted post-mining land use has often been grazing, which dictates that steep (usually angle of repose) mine waste slopes be flattened ... These include examples from gold mining in Johannesburg, surface coal mining in Australia, and metalliferous mining in Australia, and focusses on the...

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​Geluksdal bites the Brakpan tailing dam's dust | News ...

Nov 30, 2016 ... Other research into health and Johannesburg's mine dumps has just started. Rehabilitation will start when DRDGold stops re-mining the other dumps. Only then will the sand be covered by green growth. For the people of Geluksdal, that means the dust from the Brakpan tailings dam will remain part of their...

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vetiver grass technology for rehabilitation of mining wastes and tailings

Dec 13, 2017 ... sodic and acidic soil conditions. • Vetiver is highly tolerant to elevated levels of heavy metals in mine tailings. • Vetiver is tolerant to fire, frost, drought, water .... CASE STUDY 6: Old gold tailings dump. Kidston mine old gold tailings : An extremely acidic (pH 2.7, sulfate. 8 500mg/kg) gold mine tailings in north.

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Uranium Mining in South Africa - NUCLEAR-RISKS

The release to the environment of mining waste can result in profound, generally irreversible destruction of ecosystems.” If this is indeed so then the Witwatersrand gold mining area of South Africa is at serious risk. Reference:s CSIR. Briefing Note August 2009. Acid Mine Drainage in South Africa. Dr. Pat Manders. Director,.

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What to do when we run out of gold? Re-claiming the post-mining ...

Dec 4, 2014 ... Re-claiming the post-mining landscape – a vision for the West Rand, Johannesburg, South Africa ... While underground shafts are being re-exploited to extract the remaining gold, dumps and tailings are reprocessed to recover what wasn't extracted before, and new open pits are made to mine the small...

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Housing and population sprawl near tailings storage facilities in the ...

Mining, tailings storage facilities (TSFs), dust pollution and growth in residential housing development are synonymous with the Witwatersrand, South Africa. Encroachment of housing onto land close to TSFs,. i.e. areas rendered marginal because of the dust hazard and risk of structural failure, has continued unabated.

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LEGACY OF THE MINE I ILAN GODFREY

West Wits Pit, West Rand, Krugersdorp, Gauteng. The man-made cavity known as West Wits Pit is the remnant of early mine workings on the Kimberley Reef, where gold deposits were exploited near the surface. Today, Mintails Ltd reclaims and processes the remaining gold from the mine dump tailings that dot the West...

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Impacts of Gold Mill Tailings Dumps on Agriculture Lands and its ...

Feb 1, 2012 ... Huge amount of mill tailings at Kolar Gold Fields are creating environmental problems. In this study, an attempt was made to assess the impacts of mill tailings on agriculture lands and to identify suitable species for its reclamation. For this, soils collected from different agriculture lands were mixed with...

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Application of the Vetiver System for Phytoremediation ... - CiteSeerX

Successful rehabilitation of mine tailings and landfills with elevated levels of heavy metals in. Australia, China and South Africa indicates that the Vetiver System should provide a powerful phytoremedial ... out, as the volume of contaminated materials is very large, examples are gold, coal mine and mercury tailings here in...

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Nuclear dump: Barndioota station in SA earmarked as site of waste ...

Apr 28, 2016 ... A cattle station in South Australia is earmarked as the possible site for the nation's first nuclear waste dump. ... The Wallerberdina station near Barndioota in the Flinders Ranges has been picked after months of consultation which followed the release of six possible sites ... It is currently used to graze cattle.

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Selected Mercury Waste Hot Spots around the World - IPEN

25. Chlor-alkali plant Oltchim S.A.,. Ramnicu Valcea, Romania. 16. San Francisco Bay refineries,. California, USA. 29. Ok Tedi gold mine,. Papua New Guinea. 24 ... ASGM, Poboya, Palu,. Indonesia. 1. Artisanal and small scale gold mining (ASGM). Large scale mining (LSM). Mercury waste disposal. Chlor-alkali industry.

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Application of ecosystem function analysis (EFA) in ... - SciELO SA

Application of ecosystem function analysis (EFA) in assessing mine tailings rehabilitation: an example from the Mhangura Copper Mine tailings, Zimbabwe ... The approach centred on whether ecosystem processes on the dumps have developed to the extent that biotic and abiotic elements can begin to sustain their...

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South Africa's Gold mining company poisons Maasai cows with ...

Jan 28, 2018 ... In what might turn out to be a big environmental scandal, a South African listed gold mining company is on the spot for poisoning Maasai cows in Kenya ... Why Kilimapesa, the Kenyan subsidiary of Goldplat PLC, allowed the poisonous effluent to escape to Maasai grazing grounds is not known and points...

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The Impacts of Artisanal Gold Mining in Sudan - Academy of ...

Sep 3, 2014 ... Although mining, especially gold mining can be a good source of economic income, the malpractice in ... disposal of polluted water, can threaten the available water resources and the food chain. ... Moreover, destruction of fertile graze lands, where disorganized digging is operated, can be devastating.

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Superior Mining International Corporation - Mangalisa Project

South Africa has been the largest producers of gold in the world, with 98% of the country's gold believed to have been produced from the goldfields located in the Witwatersrand Basin, which contains .... This includes potential sites for mine infrastructure as well as rock dumps, tailings dams and disposal of mine waste.

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The environmental impact of gold mine tailings footprints in the ...

Abstract 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 the escape of seepage, adversely affecting soils and water quality. Some tail- ings dams have been partially or completely reclaimed leaving...

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New gold rush flattens Johannesburg's famous mining dumps | Fox ...

Jan 8, 2014 ... (Courtesy: DRD Gold). JOHANNESBURG, South Africa – A new gold rush is hitting Johannesburg, literally flattening the South African city whose Zulu name “Egoli” means City of Gold. ADVERTISEMENT. Hundreds of massive dumps of “tailings,” the waste product left from more than a century of gold...

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Environmental impact of mining - Wikipedia

Erosion of exposed hillsides, mine dumps, tailings dams and resultant siltation of drainages, creeks and rivers can significantly impact the surrounding areas, a prime example being the giant Ok Tedi Mine in Papua New Guinea. In wilderness areas mining may cause destruction and disturbance of ecosystems and habitats,...

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Ecological and human health risks associated with abandoned gold ...

Feb 21, 2017 ... Gold (Au) mining as a source of heavy metal contamination in soils has been documented in several countries including Korea [3], USA [4], Sultanate of Oman [6], Ghana [7], Canada [8] and South Africa [9]. Processing of ore bodies and disposal of mine tailings and wastewater rich in heavy metals and...

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Hazards identified and the need for health risk ... - SAGE Journals

moderate acute toxicity,57 is found in South African gold ore in concentrations of around 100–300 ppm. Mining of U-bearing ore often releases and mobilises high concentrations of the radionuclide in the bio- sphere. Mine tailings dams and dumps are known to contain elevated levels of uranium.58 Contamina- tion of...

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Hazards identified and the need for health risk assessment in the ...

Dec 1, 2015 ... Finally, uranium (U), a radioactive substance of moderate acute toxicity, is found in South African gold ore in concentrations of around 100–300 ppm. Mining of U-bearing ore often releases and mobilises high concentrations of the radionuclide in the biosphere. Mine tailings dams and dumps are known to...

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Heavy metal concentration in soil in the tailing dam vicinity of an old ...

Abstract: Soil contamination with heavy metals is a serious concern to food production and human health. The present study was conducted to evaluate the impact of tailings from an old mining site on heavy metal contamination of soil. Using a GPS to map out different sites around the tailing dam, soil samples were taken...

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CHARACTERIZATION, BIOAVAILABILITY AND ... - WIReDSpace

GOLD MINING. Bongani Ndhlovu Yalala. A Thesis submitted to the Faculty of Science, University of the. Witwatersrand, Johannesburg, in fulfilment of the ... Of interest, in this study, is the presence of tailings storage facilities (TSFs) found .... 2.3.4.4 Consumer products, waste deposition (landfills) and incineration………57.

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An Assessment of Radiological Hazards from Gold Mine Tailings in ...

Dec 21, 2017 ... Full-text (PDF) | Radiological hazards associated with exposure to Naturally Occurring Radionuclides Materials from gold mine tailings in the province of Gauteng in South Africa were evaluated. A comparison was made with soil samples from a control area. In this study, gamma spectroscopy was used...

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olympic dam expansion - BHP Billiton

waste rock, tailings, soils and soil profiles such that rehabilitation can be based on the properties of these materials. There is ... For example, at the Paddington Gold Mine near Kalgoorlie (WA), ...... In an example from the South Australian arid zone, grazing animals were excluded at the Challenger Gold Operation in South.

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