South Deep Gold Mine is situated in the magisterial districts of Westonaria and Vanderbijlpark Gauteng province, some 45 kilometres south-west of Johannesburg at latitude 26 25 south and longitude 27 40 east. It is accessed via the N12 provincial road between Johannesburg and Potchefstroom
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South Deep is a mine that has been built to extract one of the largest undeveloped gold ore bodies in the world. The ore body encompassing a 37Moz Mineral Reserve is well understood as a result of a combination of 3D seismic vibroseis, 2007 modelling, extensive surface drilling 2007-2013 and effective resource modelling that has provided valuable information on the geological structure ...
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South Deep Gold Mine operates one gold plant with a design capacity of 330ktpm. The milling circuit consists of a single stage SAG mill for primary followed by secondary milling, utilising two overflow ball mills. Classification is done using cyclone clusters and Knelson concentrators facilitate the recovery of free gold. Free gold is upgraded using a Gemini table and the final concentrate is smelted into bullion.
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The cyclone overflow is thickened before the slurry reports to the leach circuit. Cyanide is used for gold dissolution and lime is added to ensure protective alkalinity. An eight-stage, carousel-type CIP circuit is used for gold adsorption. After elution gold is recovered from the solution using electro-winning sludge reactors, dried and gold bullion is produced by smelting in an induction furnace.
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Commercial production of the Western Areas Gold Mine commenced in September 1951. In 1990, Western Areas Gold Mining Company Limited WAL shareholders approved the transfer, cession and assignment of certain land and mineral rights to South Deep Exploration Company Limited in exchange for its shares. WAL and South Deep Exploration Company Limited merged on 1 January 1995. Development of 95 Level across to the planned collar position of Twins commenced.
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On 1 April 1999, the Placer DomeWestern Areas PDWA joint venture JV was formed and in February 2000, the name of the mine was changed to South Deep Gold Mine. Sinking of the ventilation shaft was completed to 95 level in 2001 and the main shaft to 110 level in 2002, concurrently a 7,200tpd capacity mill was commissioned. The Twin Shaft Complex was officially opened on 4 February 2005.
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Barrick Gold Corporation acquired a majority interest in Placer Dome Inc. on 20 January 2006 and Gold Fields acquired Barricks 50 JV interest in the PDWA JV on 1 December 2006. In April 2007, Gold Fields acquired all remaining WAL shares and consequently owned 100 of South Deep Gold Mine at that time.
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Jun 02, 2011nbsp018332A worm that lives deeper than any known animal on Earth has been found in a South African gold mine. The discovery of Halicephalobus mephisto, a new
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A new-order mining right was granted to South Deep in 2010, including the area known as Uncle Harrys. During 2011, Newshelf 899 Proprietary Limited Newshelf was established, which holds a 100 interest in South Deep Gold Mine. Newshelf is a 90 subsidiary of GFI and the remaining 10 is held by outside shareholders as part of the Broad Based Black Economic Empowerment BBBEE transaction.
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Johannesburg When South African miners are allowed to recall all their workers as lockdown restrictions ease further on Monday, full production will remain elusive as the pandemic upends operating practices. Social distancing, screening and testing will hamper the countrys deep-level mines, which have been operating with half their workforce since a five-week shutdown ended at the ...
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Gold Fields, one of the worlds largest gold mining firms, is set to retrench up to 1 560 employees at its South Deep operation in Gauteng. Built in 1951, South Deep is the largest gold mine in ...
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Aug 20, 2020nbsp018332A worker cleans gold bars at South Africas Gold Fields South Deep mine in Westonaria, 45 kilometres south-west of Johannesburg, South Africa, March 9, 2017.
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May 31, 2017nbsp018332Deep in a South African gold mine, scientists drill for the heart of an earthquake. By Paul Voosen May. 31, 2017 , 1100 AM. Its no easy feat to drill into the faults that cause earthquakes.
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Dual-listed gold miner Gold Fields South Deep gold mine in Westonaria returned to profit in 2019, achieving two consecutive cash positive quarters following more than ten years of losses at the mine.
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This is the first step in its journey towards profitability and reaching a sustainable, steady-state production profile at the mine, CEO NICK HOLLAND tells CHANTELLE KOTZE.
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Gold Fields is in a unique position with it South Deep gold mine, which currently accounts for 47 of gold-equivalent mineral resources and 59 of mineral reserves of Gold Fields global gold asset portfolio, in that the ore body has the potential for longevity.
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Jun 11, 2019nbsp018332South Deep Gold Mine. The South Deep gold mine, owned and operated by Gold Fields, is the seventh deepest mine in the world. The South African gold mine extends up to 2,998m below the surface. Covering an area of 4,268ha, the mine is located 45km south-west of Johannesburg.
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Unlike South Africas declining gold industry where ore bodies are generally reaching the end of their lives due to depth, declining grades or where the ore body is too far away from the infrastructure, South Deep is not in this position and it is up to Gold Fields to capitalise on this unique position.
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Since taking ownership of South Deep in 2006, Gold Fields has struggled to turn a sustainable profit at the asset despite investing over R32 billion, including around R20 billion for the acquisition, in transitioning the mine from a conventional mining operation to a safe, modern, bulk mechanised mine.
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With a cash-burn of approximately R100 million a month at South Deep and numerous interventions over the years to address the mines underperformance including optimising the mining method, extensive training and skills development, changing shift and work configurations, and outsourcing functions the mine continued to underperform and record losses.
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Despite setting into motion a massive turnaround plan to fix its base in 2015, Gold Fields failed to deliver the rebase plan in 2018 when it became evident that South Deep would not achieve the targets set out in the plan and continued to experience cash losses.
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With two labour restructuring processes under its belt at the end of 2017 and Q1 2018 respectively, South Deep continued to face a number of organisational and structural challenges that impacted the mines performance during Q1 and Q2.
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South Africa. Orica is the worlds largest provider of commercial explosives and innovative blasting systems to the mining, quarrying, ... A well-recognized Gold mining Company based in Mpumalanga is urgently looking for a Safety Officer to assist with implementation, ...
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Feb 13, 2020nbsp018332Gold Fields expects production at South Deep to rise 16 to 257,000 ounces this year. Under the original plans for the mine, output was envisaged to climb to 800,000 ounces at full production.
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Two miles below Earths surface, scientists found animal life in a South African gold mine. They wonder If life can exist there, could it exist on Mars
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