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WearCheck wins double awards in Europe

Condition monitoring specialists, WearCheck, scooped two awards from top international training body, Mobius, at a condition based maintenance (CBM Europe) conference in Belgium recently. The awards are for first place in the Best Training Partner EUMEA 2018/19 and the Best Student Growth Africa 2018/19. Dennis Swanepoel, WearCheck’s reliability solutions consultant …

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Alweendo reins in CPB over gems tender

THE Central Procurement Board has failed to convince mines minister Tom Alweendo why it picked a diamond valuation company that charged the government N$70 million more than the outgoing service provider. The CPB, on behalf of the mines ministry, had awarded a N$300 million contract to Gem Diamonds Namibia to …

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Tumas 1 East reports encouraging drilling

Deep Yellow has reported encouraging drilling results on EPL3497 where new continuous mineralisation has been identified in the Tumas 1 East palaeochannel area along Tributary 5. According to the company, the program was completed in April 2019 with a total of 211 RC drill holes for 1,951m drilled. The project’s …

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De Beers embark on carbon footprint research

De Beers Group’s carbon-capture research at the Gahcho Kué mine in Canada has received a funding boost following the award of a C$675,000 grant from Natural Resources Canada’s Clean Growth Program towards pioneering research in partnership focused on delivering carbon-neutral diamond mining. The project in Canada is part of a …

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Rio Tinto completes divestment of Rössing uranium stake

Rio Tinto has sold its entire 68.62% stake in the Rössing uranium mine for an initial cash payment of $6.5 million plus a contingent payment of up to $100 million. The $100 million contingent payment is linked to uranium spot prices and Rössing’s net income during the next seven calendar …

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Dundee Precious Metals proposes expansion of Tsumeb smelter

Dundee Precious Metals Tsumeb has proposed to expand their current smelter operations in Tsumeb in order to increase the copper concentrate throughput capacity from 240,000 tons per annum to 370 000. In a report for the proposed expansion released this week, it is said that Dundee has appointed SLR Environment …

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Mines’ technology push means new approaches to digitisation

As mining companies increasingly look to new technologies to improve their productivity, they are starting to think differently about how they approach digitisation and automation. The prolonged slump in commodity prices – along with no significant increase in productivity gains – has meant that mines have re-calibrated their cost structures, …

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Confidence in the diamond sector

By Jonathan Kendall* I have previously discussed how vital confidence is if you are to succeed at any and all stages of the diamond value chain, and to maintain confidence requires expertise, innovation and hard work. In the diamond sector, this has never been truer than it is today. Across …

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Why use a triple point of water?

Despite primary standards being expensive and complex to use, there is, however, an exception to that and it’s the Triple Point of Water Cell.   The fixed-points, sometimes called intrinsic standards, are used to define the International Temperature Scale of 1990 (ITS-90). The most commonly used fixed-point is the Triple Point of …

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XRT technology recovers 1,758 carat diamond in Botswana

TOMRA Sorting Mining technologies have enabled Lucara’s diamond mine in Botswana to discover an unbroken 1,758 carat stone The diamond is the largest to be mined at Karowe to date, weighing close to 352 grams through the TOMRA XRT sensor technology. “As the largest diamond ever recovered by a mechanical …

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