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  • Vedanta Limited Production Release for the Fourth Quarter and Full Year Ended 31 March 2016 2016-04-11

    Vedanta LogoMUMBAI, India, April 11, 2016 /PRNewswire/ -- Highlights          Record annual production of Aluminium, Power, Silver and cathodes at Copper – India Entire power portfolio of 9,000 MW operational in March 2016 Operations: Oil &...


Mining Area 1 Information

  • General 2015-05-10
    The world’s most spectacular known gem quality alluvial diamond deposits are found along the Namib Desert coast of Namibia. The deposits range in age from contemporary to 40 million years. Since the initial discovery of diamonds in Namibia in 1908, this particular regional deposit has yielded well over 100 million carats of gem quality diamonds. The ore body was delineated following the discovery of diamonds north of the Orange River mouth in 1928. The area consists of raised beaches over a distance of approximately 100km north of Oranjemund, to Chameis Bay along the coastline. There are three processes in mining – stripping, bed rock cleaning, and loading and hauling. Conventional stripping of waste material is done with articulated dump trucks and hydraulic excavators. Bedrock cleaning is facilitated by bulk dosing followed by vacuum cleaning units (transvacs). All diamondiferous material is then loaded and hauled with ridged frame trucks to the processing plants. At the processing plants the material is crushed, scrubbed, washed and diamondiferous material is separated by means of dense media separation (DMS). At the final recovery the DMS concentrates are further beneficiated by means of magnetic separation and x-ray sorting technology. The final stage is hand sorting in the sort house before exportation for valuation.

Related News

  • Major diamond mine open for business 2016-09-22
  • De Beers sells $630m of diamonds in seventh sales cycle 2016-09-06
    De Beers has sold $630-million of diamonds in the seventh sales cycle of this year. “We saw healthy demand for our rough diamonds in Cycle 7, as manufacturers brought forward some of their demand in order to cut and polish rough diamonds in time for the important retail selling season,” CEO Bruce Cleaver said on Tuesday.
  • Venetia underground project may deliver first carats ahead of 2022 target 2016-08-26
    The construction of the R29-billion ($2.1-billion) underground development at the Venetia mine by diamond miner De Beers Consolidated Mines (DBCM) is within budget and developing on schedule, with the potential to see underground opera- tions deliver the first ore before the targeted start of production in 2022, De Beers confirms. The Limpopo-based Venetia mine – a large openpit operation and leading producer of diamonds in South Africa – accounts for about 40% of the country’s yearly diamond production. De Beers expects 133-million tons of ore to be treated over the life of the Venetia underground project (VUP), yielding an estimated 94-million carats.
  • Debmarine’s new offshore diamond exploration vessel reaches final construction phase 2016-08-22
    The final phase in the construction of marine diamond mining giant Debmarine Namibia’s new diamond exploration and sampling vessel is now under way after its arrival in Cape Town last week. The critical integration phase is now under way to have the purpose-designed, 113-m-long offshore SS Nujoma delivered and commissioned in Namibia’s Atlantic 1 diamond mining licence area in early 2017.
  • De Beers sells $520m of diamonds in sixth sales cycle 2016-08-02
    The sixth rough diamond sales cycle of 2016 has netted diamond giant De Beers about $520-million. This is lower than the $564-million of sales recorded in the fifth sales cycle of the year.

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