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 (3–5).Gold mine …
Font size: - +. Join Creamer Media 's Mine Tailings Webinar on April 10 at 14:00 for a discussion on how to untap the growth potential of tailings retreatment and …
In South Africa acid mine drainage, mainly from gold mine TSFs/tailings dams/slime dams, "remains one of the country's most serious environmental and socio-economic issues" . The acidity forms when pyrite, which is abundant in the gold-bearing ores, is oxidised where it comes into contact with oxygen from the atmosphere in the …
Meanwhile, Pan African's Barberton Tailings Retreatment Plant (BTRP) produced 28 590 oz of gold at an exceptionally low all-in sustaining cost of $332/oz. It also increased gold production by ...
In South Africa, the focus of rehabilitation of abandoned mines has for many years been on addressing safety and health risks and then the environmental hazards at these mines (DMR, Citation 2010; Mhlongo & Amponsah-Dacosta, Citation 2016). However, the method used to set such rehabilitation priority of abandoned mines in the …
The Mogale Gold project has the potential to increase Pan African's gold production profile over the coming years. Remining the Mogale Gold TSFs is expected to add about 50 000 oz/y of ...
Southern African Institute of Mining and Metallurgy Tailings storage facilities task group Terms of Reference. 1. Background. Since the failures of tailings facilities in South America in particular, an unprecedented amount of activity has occurred globally, with many different groups being formed to fulfill mandates defined by their principles.
SYNOPSIS. The majority of the tailings dam operations in South Africa will be required to comply with the new Global Industry Standard on Tailings Management (GISTM) within …
Proceedings of Tailings and Mine Waste 2011, Vancouver, Canada, 6-9 November. Norman B. Keevil Institute of Mining Engineering, University of Vancouver. pp. 53-65 [ Links ] Department of Mineral Resource (DMR). 2009. The national strategy for the management of derelict and ownerless mines in South Africa. Pretoria. p. 4. [ Links ]
24 May 2022, 7:59am EDT. Mine Waste Leaves Toxic Legacies in South Africa - And International Launch of Tailings Report. Waste Rock and Tailings. Source: The Mine Tailings Working Group of South Africa – …
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. Blake ... The Louis Moore Mine tailings have pH values ranging from 7 to 9, averaging 8. The neutral to weak basic conditions throughout
In this study, a total of 419 mine tailing samples were collected from four mining sites in Northern South Africa (Fig. 1). A brief description of each mineralogical setting follows. Download : Download high-res image (2MB) Download : Download full-size image; Fig. 1. Examples of mine tailings analyzed in South Africa.
Marula Platinum Mine is located approximately 32 km northwest of the town of Burgersfort in Limpopo Province, South Africa. The pre-deposition works for the mine's existing tailings dam was constructed in 2003 as an unlined facility, in line with the legal requirements at that time. The existing tailings dam is approaching its end of life and a ...
Tawanda Karombo. Published January 16, 2020. South Africa has the highest number of dangerous tailing dams—structures constructed, often by mining companies, to store waste in liquid form. …
Risk Management & 3rd Party Audits. Tailings Solutions and Consulting Engineers for the African Mining Market. We've successfully completed projects for clients in South Africa, Zimbabwe, Sierra Leone, Kenya, and Angola. Engineered Tailings Solutions provides leading civil engineering consulting and tailings services to the South African ...
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 tailings dams have been partially or completely reclaimed leaving contaminated footprints. These zones …
One example reported in Rapaport Magazine describes the efforts of De Beers Consolidated Mines (DBCM) to extract overlooked diamonds from 360 million tons of old tailings surrounding the Kimberley mines in South Africa. According to the company, thanks to advances in separating, sorting, and crushing equipment, very small diamonds …
DRDGold has embarked on the first phase of what will be one of the largest tailings recovery operations in South Africa. According to CEO, Niel Pretorius, the tailings retreatment facility will bring additional cash flow into the business while delivering massive environmental and sustainability benefits to the larger West Rand. "On 1 August ...
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 ...
Radon in dwellings is recognized as the primary source of natural radiation exposure to members of the public. In the West Rand District and Soweto in the Gauteng Province (South Africa), indoor radon (222 Rn) mapping was carried out to assess the exposure levels of radon in dwellings around gold and uranium mining tailings …
The tailings dumps originating from gold mining in South Africa's Witwatersrand still contain notable gold endowments. Most tailings reprocessing operations target a native gold fraction using ...
South Africa has many decommissioned mines and large mine tailings dumps and dams. It has been estimated that there are more than 270 tailings dams related to gold mining alone, covering a total area of about 180 km 2 . 90 Most of the tailings dams and dumps are located close to human dwellings and agricultural land. 91 When mining …
On the morning of September 11, a tailings dam collapsed at the closed Jagersfontein diamond mine in Free State, South Africa. Local news reports the flood of …
De Beers said at the time of the sale of the Jagersfontein mine and tailings in 2010 to Superkolong Consortium, which comprised of black investors, that it had produced some of the world's ...
The problem is on a greater scale in South Africa, where gold tailings alone occupy about 18,000 ha of land ... Collectively, an estimated 1.6 million people live in informal and formal settlements on or directly next to mine dumps in South Africa (Health-e 1015; Fox News 2014). In Zambia's Kabwe town, an estimated 300,000 people are …
On September 11, 2022, a dam collapsed at a diamond mine in Jagersfontein, South Africa, and released a watery mixture of mining waste known as tailings. The sludge poured across the landscape, destroying homes, inundating rivers and grazing land, and injuring dozens. Almost one month after the incident, satellite images …
Monitoring Tailings Dams. As the time approaches rapidly for mining companies to start reporting on the safety and monitoring of their tailing storage facilities (TSF), several proof-of-concept studies are being undertaken that range from physical site monitoring to a range of remote sensing methods. Satellite monitoring is one of the more …
John resides in South Africa. Mr Danie Brink: Danie is an independent specialist tailings consultant. He has 37 years' experience in the field of mining and industrial waste management, with a particular focus on the design and surveillance of tailings storage facilities and the closure design of waste and tailings facilities.
Residents around gold-mine tailings in South Africa are at risk of uranium exposure. • Uranium (U) concentration in hair samples (n = 128) was studied. • Increased U levels in hair of the study participants were detected. • Little variation of the U levels was observed within 5 km from the mine tailings. •
Mining of gold in the Welkom and ia areas of the Free State Province in South Africa has produced numerous gold mine tailings, which contain a variety of contaminants. The extent of contamination of groundwater in the area was studied by measuring several water quality indicators at eight sampling sites, and within three zones.
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 to measure the activity concentrations of …
On 22 February 1994, the Merriespruit No 4 tailings dam failed after a torrential downpour with an estimated 600,000m³ of water. Tailings poured over a distance of 4km engulfing 80 Merriespruit homes and claiming the lives of 17 people in the gold mining town of ia in South Africa's Free State province. The official investigation into ...
South African tailings associated with the mining of Platinum Group Metals (PGM) at the Two Rivers mine operations. These PGM tailings typically contain four major elements (11% Al 2 O 3 ... Platinum Mine, located in South Africa, has commissioned a recovery plant to reprocess its tailings to recover the chromite (Implats, 2015). Tailings from ...
Applied Field Research Article. Baseline status of microbial activity on gold tailings facilities in South Africa. Ledin and Pedersen, 1996 ). Mine tailings are …