gold tailings mining in south africa

Re-Processing Gold Tailings in South Africa

historic gold tailings dams in the Witwatersrand area of South Africa is being investigated. The objective is to recover uranium and residual gold from the tailings, as well as to oxidize the sulphides to eliminate long term environmental liabilities associated with acid mine drainage. The tailings from the re-processing plant will be re-

From Tailings to Treasure? Miners Make ... - Advancing Mining

DRD Gold, one of the first South African companies to abandon traditional mining to focus on extracting gold from tailings. New technology allows it to recover up to 40% of the gold left in particle form in tailings. DRD Gold extracted 33,600 ounces of gold, worth nearly US$40 million, in the last quarter of 2013.

Author: Esa NummiMining Weekly - Gold tailings retreatment an attractive ...

Amec Foster Wheeler Africa's mining division has received several requests for studies and feasibility studies on tailings projects and has noted an interest in tailings retreatment from gold ...

An Assessment of Radiological Hazards from Gold Mine ...

Jan 18, 2016· In South Africa, the gold mining industry has existed for over a century. As a result, mine tailings are littered everywhere, particularly in the Wonderfonteinspruit Catchment Area (WCA), posing a threat to local communities. The communities living around these areas are threatened by radioactive pollution mainly caused by uranium .

Cited by: 11Gold Mining in South Africa | Africa Mining IQ

Gold Mining in South Africa Over 50% of all gold reserves are found in South Africa , with the Witwatersrand Basin remaining the largest gold resource in the world. In 1975, South Africa was responsible for producing 40% of the gold ever mined.

South Africa needs to refresh how it manages by-products ...

South Africa needs to refresh how it manages by-products from mining There have been two major tailings dam failures in South Africa in the last half century – in 1974 and 1994.

The environmental impact of gold mine tailings footprints ...

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 pose a serious threat to …

Cited by: 71Massive new gold tailings retreatment business established ...

Nov 22, 2017· Gold majors Sibanye-Stillwater and DRDGOLD have entered into an agreement to develop a massive surface tailings retreatment business. Sibanye-Stillwater has entered into various agreements with DRDGOLD in Sibanye-Stillwater will exchange selected surface gold processing assets and tailings storage facilities for c.265 million newly issued DRDGOLD …

Author: Laura CornishNew Uranium Mining Projects - South Africa

Aug 02, 2019· New Uranium Mining Projects - South Africa ... Initial results indicate a 15-year project life, with the potential to extract 4620 t U and 1.3 million ounces of gold from the tailings. (Simmer & Jack Mines, Limited, Jan. 24, 2006) Ezulwini (formerly Randfontein) project

Merriespruit tailings dam disaster - Wikipedia

The Merriespruit tailings dam disaster occurred on the night of 22 February 1994 when a tailings dam failed and flooded the suburb of Merriespruit, Virginia, Free State, South Africa.Seventeen people were killed as a result. Late in the afternoon on the day of the failure, a thunderstorm occurred and about 50 mm of rain fell within 30 minutes.

tailing mining facilities in south africa

Birds Associated with the Tailings Storage Facility and Surrounds ... Tailings storage facilities (TSFs) are a well-known component of the altered landscapes of many parts of South Africa, and indeed most gold mining areas of …

DRDGold: South Africa’s largest tailings project kicks ...

Nov 22, 2018· 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.

Gold mining most costly in South Africa - BusinessLIVE

Gold Fields has whittled its South African base down to South Deep, and AngloGold has retained only its Mponeng mine — the world’s deepest mine at 4km below the surface — and a tailings ...

Environmental impact of mining - Wikipedia

Erosion. 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 of ecosystems and habitats, and in areas of farming it may disturb or destroy productive grazing and croplands.

What's left in the wake of South Africa’s abandoned gold mines

Jan 15, 2016· Blyvooruitzicht is but one of thousands of abandoned mines scattered across South Africa, many from the gold industry. With recently shuttered mines adding to the massive impact of those left derelict years ago, the country faces a growing environmental, health and social crisis created by a withering gold industry and inadequate oversight.

The environmental impact of seepage from gold mine ...

The environmental impact of seepage from gold mine tailings dams near Johannesburg, South Africa Submitted inpartialfulfilment oftherequirements

South Deep Gold Mine - Mining Technology | Mining News and ...

The South Deep gold mine, in the Mpumalanga region of South Africa, is the second biggest gold mine in the world. It is also the seventh deepest mine in the world with a depth of 2,995m below surface. It has a current mine life of 80 years. The mine produced 77,800oz of gold …

Mining Weekly - Contractor finds value in gold mine dumps

Although tailings retreatment is not new to South Africa, the country’s mine dumps, especially those of the gold mining sector, still hold immeasurable value that could increase the ...

The Toxic Landscape of Johannesburg's Gold Mines | WIRED

More than a century of gold mining has left towering piles of bleached mine waste, known as "tailings," all over Johannesburg's landscape. Discovery of gold in the region in 1886 led to the ...

Modelling of Radiological Health Risks from Gold Mine ...

Mining is one of the major causes of elevation of naturally-occurring radionuclide material (NORM) concentrations on the Earth’s surface. The aim of this study was to evaluate the human risk associated with exposure to NORMs in soils from mine tailings around a gold mine.

The Haunting Legacy of South Africa’s Gold Mines - Yale E360

Nov 12, 2015· The Haunting Legacy of South Africa’s Gold Mines . ... But two years after the mine’s owners abandoned it because it was unprofitable, sewage runs in the streets of the old mining village, tailings impoundments cover nearby towns in dust, and illegal miners rule the abandoned shafts.

Brief history of gold mining in South Africa - Mining for ...

Chamber of Mines (now Minerals Council South Africa) founded 1890 South Africa began to slow down in the 1880s, as the new deposits being found tended to be pyritic ore and gold could not be extracted from this compound with any of the then available technologies.

Mega tailings dam in South Africa could get ... - MINING.COM

Sep 25, 2011· Fin24 is reporting that a huge tailings dam being built in Kuma township could get kyboshed due to opposition from environmental groups, pressure groups and demands from landowners. The Kareerand ...

The Effects of Mining in Africa - Mining Africa

Several African countries are showing concern with the effects of mining in Africa and are taking steps to resolve issues. South Africa has responded to the situation by making a law that states that mines have to leave areas in an equivalent, or better state than what it was prior to mining starting.

The Haunting Legacy of South Africa’s Gold Mines - Yale E360

Nov 12, 2015· The Haunting Legacy of South Africa’s Gold Mines . ... But two years after the mine’s owners abandoned it because it was unprofitable, sewage runs in the streets of the old mining village, tailings impoundments cover nearby towns in dust, and illegal miners rule the abandoned shafts.

Brief history of gold mining in South Africa - Mining for ...

Chamber of Mines (now Minerals Council South Africa) founded 1890 South Africa began to slow down in the 1880s, as the new deposits being found tended to be pyritic ore and gold could not be extracted from this compound with any of the then available technologies.

Mega tailings dam in South Africa could get ... - MINING.COM

Sep 25, 2011· Fin24 is reporting that a huge tailings dam being built in Kuma township could get kyboshed due to opposition from environmental groups, pressure groups and demands from landowners. The Kareerand ...

The Effects of Mining in Africa - Mining Africa

Several African countries are showing concern with the effects of mining in Africa and are taking steps to resolve issues. South Africa has responded to the situation by making a law that states that mines have to leave areas in an equivalent, or better state than what it was prior to mining starting.

South Africa - AngloGold Ashanti

The South Africa region’s operations produced 487,000oz at a total cash cost of $1,033/oz in 2018. West Wits Mponeng, the world’s deepest gold mine and our flagship South African operation is in the West Wits mining district south-west of Johannesburg, …

Gold Tailings Mining In South Africa - hotelapineta.it

Re-Processing Gold Tailings in South Africa - sgs. historic gold tailings dams in the Witwatersrand area of South Africa is being investigated. The objective is to recover uranium and residual gold from the tailings, as well as to oxidize the sulphides to eliminate long term environmental liabilities associated with acid mine drainage.

The gold mining life cycle - Mining for schools

Miners, mining materials and equipment are transported deep underground via the mine cage in the vertical shaft, which can go to depths of up to 3.5km below the surface. Open-pit gold mining also takes place in South Africa. This is a mining technique which excavates at the surface to extract ore.

Tailingsfo Hydraulic Mining of Tailings

Figure 2: Simplified diagram showing the hydraulic re-mining of tailings. It can be noted that the use of hydraulic mining for tailings can be to either reprocess the waste, mine the waste as a product, or for moving of the tailings to a more suitable location.

An Assessment of Radiological Hazards from Gold Mine ...

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 these radionuclides in 56 soil samples from the mine tailings and 10 soil samples from the control area ...

Home | DRDGOLD

DRDGOLD is a South African gold producer and a world leader in the recovery of gold from the retreatment of surface tailings. Our network of assets is unrivalled in South Africa and, with our consolidated businesses operating as a single entity, is focused on optimising these assets in order to increase gold production.

Mining Waste Management: Reprocessing Tailings

Dec 18, 2017· Also working on a gold tailings retreatment project in South Africa. The project intends to retreat old tailings at a rate of one million tonnes per month and aims to recover about 688,000 ounces of gold from the combined tailings deposits over the life of the project. Metals X Limited

DRDGOLD begins first phase of Far West tailings project ...

Dec 04, 2018· The South African miner is kicking off this week its Far West gold recoveries project in Gauteng with the pumping of reclaimed tailings into the carbon-in-leach circuit, just four months into ...

Gold Fields Integrated Annual Report 2016: Waste and Tailings

Reprocessing of tailings from the two old TSFs at South Deep continued for use in the backfill plant, though this was slowed down amid the water shortages experienced in South Africa during 2016. West Africa. As part of the ongoing production and long-term growth at Tarkwa and Damang new TSF capacity is …

All that glitters... Acid mine drainage: The toxic legacy ...

All that glitters... Acid mine drainage: The toxic legacy of gold mining in South Africa. Acid mine drainage coats the hippos at Hippo Dam at the Krugersdorp Game Reserve. ... A bigger problem than the acid mine drainage from the tailings piles at the surface, however, is the acid filling the underground mines…