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  • Slimes disposalatSouthAfrican goldmines

    Slimes-dam failures on shown inFigs. 1to3. asimilarly disastrous scalehave not These methods have evolved over occurred in South Africa, but tail-a period of three-quarters of a ings-dam failures of less severity century. Ascurrently operated they have, aselsewhere5, been common-are relatively cheap, absorb only a place, sothat slimes dams ofany

  • Slimes-dam construction inthegoldmines oftheAnglo

    THE DESIGN OF SLIMES DAMS In the Anglo American Corpo-ration, the design of a dam is JOURNAL OFTHESOUTH AFRICAN INSTITUTE OFMININGANDMETALLURGY normally a collaborative effort be-tween the Civil Engineering and Metallurgical Departments, assist-ance being sought from the Mech-anical and Electrical Departments where necessary.

  • Colloquium ontheconstruction ofSlimes dams

    plant residue-disposal dam. This was the original slimes-dam dis-posal area laid down inNovember 1936,and was subsequently sluiced for pumping to the uranium flo-tation plant. The area was again used later for slimes residue from thegoldplant. *Works Manager, Zinc Corporation of South Africa Limited. Solids inthe residue from Zincor

  • Theoretical andengineering aspectsof slimes-damconstruction

    ofthese dams forbuilding purposes. Underdrainagp, extending wellintoa slimes dam would eliminate or greatly reduce the occurrence of such weak zones where dams are built onbadly drained ground. Strength offoundation soil Where the foundation soil is weaker than the slimes inthe dam, 176 DECEMBER 1973 the failure surface ofabreakaway

  • SAIMM Sustainability and slimes dams

    With these pieces of the puzzle added, a new picture emerges. We can now visualize a profitable small-lot-farming venture of 20 000 farmer families on waste land of 20 000 hectares. Agricultural quality land is not required, and the possibility exists that detoxified slimes dams from which the valuable metals have been recovered, could be used.

  • Jessie Mine builds $1,2m slimes dam The Chronicle

    JESSIE Mine in Gwanda District is constructing a $1,2 million slimes dam and lining it to prevent the pollution of both underground and surface water by mining effluent.

  • Investigation into the slimes dams, mine dumps and

    Mining is a major activity in Gauteng and as a result the province has a large number of slime dams, mine dumps, and landfills in areas earmarked for low-cost housing projects. The paper identifies and describes residue deposits constraining low-cost houses. It examines the potential health and safety hazards associated with residue deposits

  • Safety of Tailings Dams WISE Uranium

    Tailings Dam Incidents, U.S. Committee on Large Dams USCOLD, Denver, Colorado, ISBN 1-884575-03-X, 1994, 82 pages [compilation and analysis of 185 tailings dam incidents] Environmental and Safety Incidents concerning Tailings Dams at Mines : Results of a Survey for the years 1980-1996 by Mining Journal Research Services; a report prepared for

  • Chronology of major tailings dam failures WISE Uranium

    tonnes = metric tonnes. Sources: Tailings Dam Incidents, U.S. Committee on Large Dams USCOLD, Denver, Colorado, ISBN 1-884575-03-X, 1994, 82 pages [compilation and analysis of 185 tailings dam incidents]. Environmental and Safety Incidents concerning Tailings Dams at Mines: Results of a Survey for the years 1980-1996 by Mining Journal Research Services; a report prepared for United Nations

  • Facilities Avoiding tailings dam failures

    safe tailings dams to be designed and constructed • However, the rate of tailings dam failures has averaged 1.7 a year during the past 30 years this knowledge and experi ence has not been applied in every case. • In order to improve the situation the International Commission on Large Dams with the United Nations Environmental Programme

  • Jessie Mine builds $1,2m slimes dam The Chronicle

    JESSIE Mine in Gwanda District is constructing a $1,2 million slimes dam and lining it to prevent the pollution of both underground and surface water by mining effluent.

  • Renewable Energy News saaea.org

    There are thousands of hectares of these "mine dumps" or more correctly stated, slimes dams and mine tailings (the footprint that remains after a slimes dam has been removed for further processing). The slimes dams are composed primarily of crushed rock that has been processed to remove the gold.

  • Investigation into the slimes dams, mine dumps and

    Mining is a major activity in Gauteng and as a result the province has a large number of slime dams, mine dumps, and landfills in areas earmarked for low-cost housing projects. The paper identifies and describes residue deposits constraining low-cost houses. It examines the potential health and safety hazards associated with residue deposits

  • DRD commissions low-cost Blyvooruitzicht slimes dam

    Jan 22, 2004· The Nos 4 and 5 Slimes Dams, once cleared, will liberate nearly 100 hectares of rehabilitated land for possible redevelopment. Provision for ongoing rehabilitation of the No 6 Slimes Dam over its life as a deposition site will be a priority. The project has significant growth potential.

  • ENVIRONMENTAL PERFORMANCE DRDGOLD

    During FY08, 25 hectares of top vegetation and two hectares of side slope vegetation were established at Blyvoor. The sides slopes of No 7 slimes dam were grassed and the top ridge ploughed at a cost of more than R850 000 to reduce the amount of dust being blown off. As No 1 slimes dam is kept available for back-up, the top has not been

  • KOFFIEFONTEIN SLIMES DAM DEVELOPMENT zitholele

    The slimes dam will be located on mining property, adjacent to existing slimes dams to ensure that even the proposed slime dam is disposed in an environmental responsible manner. Petra Diamonds’ expansion plan at Koffiefontein Diamond Mine is expected to increase production by the year 2017.Koffiefontein Diamond Mine currently has

  • (PDF) Dam Safety: The Question of Tailings Dams

    Tailing Dams failure may occur due to: dam instability, overtopping, internal erosion, or combination of these. Instability can result from faulty design and/ or faulty tailings deposition method.

  • Facilities Avoiding tailings dam failures

    safe tailings dams to be designed and constructed • However, the rate of tailings dam failures has averaged 1.7 a year during the past 30 years this knowledge and experi ence has not been applied in every case. • In order to improve the situation the International Commission on Large Dams with the United Nations Environmental Programme

  • Major Mines & Projects Liqhobong Mine

    The surface areas of these pipes and blows are ~8.5 hectares, 1.6 hectares, 0.15 hectares and 0.1m hectares respectively. All the currently known five diamondiferous kimberlites of the Liqhobong cluster are within a strike length of at least 2.5 km (Leroux, 2010). Both blows and the Satellite Pipe are generously endowed with kimberlite

  • Times Of Swaziland

    A hectare is equal to 10 000 square metres, which is the average size of the soccer pitch. Aaron Vilakati, Commissioner of Mines, said the mining, first of all, was for iron ore dumps, which were abandoned by the previous operators of the defunct Ngwenya mine, now being revived. Slime dams were, of late, regarded to have suitable and viable

  • Environmental Impact Assessment Application for the

    The slimes dam will be located on mining property and adjacent to existing slimes dams. The new proposed slimes dam will be build in an environmentally responsible manner. transformed is 20 hectares or more. Therefore, for the proposed new development of a slime dam at the Koffiefontein Diamond Mine, an EIA has to be undertaken

  • The impact of gold mining on the Witwatersrand on the

    Jun 15, 2012· The more than 270 slimes dams on the Witwatersrand and Far West Rand cover an area of approximately 400 km 2 and will continue to pollute the surroundings for as long they take to erode away. The situation is exacerbated by the fact that many slimes dams were built on the continental divide and on top of a very large karst aquifer and therefore

  • Viaspace : VIASPACE Press Releases

    Jun 06, 2013· There are thousands of hectares of these "mine dumps" or more correctly stated, slimes dams and mine tailings (the footprint that remains after a slimes dam has been removed for further processing). The slimes dams are composed primarily of crushed rock that has been processed to remove the gold.

  • Land management, biodiversity and closure DRDGOLD

    Blyvoor, Crown and ERPM manage 4 506, 1 942 and 1 469 hectares, respectively.The land disturbed by mining activities is 4 023 hectares in the case of Blyvoor and 688 hectares in the case of ERPM. The removal and rehabilitation of the No 4 slimes dam at Blyvoor is around 90% complete, with around 18 months remaining to complete this project

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