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Diamonds
Technological advancements unlock midwater mining
By: Paige Müller 8th June 2018 Using effective, remote marine mining tools that can handle rugged and uneven midwater terrains has placed abundant midwater diamond deposits within reach of small-scale mining operations, says local diamond exploration company Mza Diamond Resources CEO Willem Steenkamp. He notes that geologists... →
Beneficiation industry declines amid restrictive legislative environment, training dearth
By: Paige Müller 8th June 2018 The South African diamond beneficiation market is no longer globally competitive, says rough and polished diamonds and precious stones trading association World Federation of Diamond Bourses president Ernest Blom. He tells Mining Weekly that the local diamond beneficiation industry has “shrunk... →
Welding Alloys South Africa
8th June 2018 Wear specialist Welding Alloys South Africa (WASA) and its Mozambique subsidiary KRAM, based in Tete, specialise in the prevention, protection and reduction of wear caused by various mechanisms. All sectors of industry experience wear and the accompanying financial consequences to protect plant... →
Diamond industry longevity on the line
By: Paige Müller 8th June 2018 The implementation of enabling mining policies by government is key in safeguarding the South African diamond industry from further decline and a worrying contraction, says Global Diamond Network consultant and industry heavyweight Dr John Bristow. Bristow states that the local diamond mining... →
Canadian junior mining company makes progress in Northern Cape
15th December 2017 Canadian junior mining company Tango Mining has made progress at its Oena diamond project, based in the Northern Cape in South Africa, appointing diamond recovery company Bluedust 7 as its mining contractor, which it announced in October. The contract will take place for a 60-month period, during... →
Eighth high-value Angolan diamond discovered
15th December 2017 Australian diamond mining and exploration company Lucapa Diamonds’ Lulo mine, in Angola, delivered pleasing diamond recoveries in November, on the back of the eighth discovery larger than 100 ct at the mine, reinforcing a strong performance from its operations in October, states MD Stephen... →
Initial mining programme expected to start next year
15th December 2017 Marine and land-based mining company Diamond Fields International has reaffirmed its commitment to its Namibian operations, announcing at the start of November an initial mining programme for its ML111 licence in offshore Namibia in 2018. The initial mining programme for the licence area will... →
Lesotho mine delivers another high-value diamond
15th December 2017 Global diamond producer Gem Diamonds’ Letšeng diamond mine in Lesotho yielded a high-quality 202 ct Type IIa-D colour, the seventh diamond over 100 ct to be recovered this year. The announcement marks the seventh diamond of over 100 ct to be recovered in 2017 from Letšeng. The mine, it is... →
Underground mine plans for Karowe moving forward
15th December 2017 The results of a preliminary economic assessment (PEA) announced by diamond miner Lucara Diamonds in November demonstrate the potential economic viability for the development of an underground mine at Karowe, in Botswana. The development of the underground mine is planned after the completion of... →
Welding Alloys South Africa
4th July 2017 To lead the market in engineered wear protection solutions and flux cored welding wire technology, Welding Alloys South Africa (WASA) is focused on responding to its customers’ needs. Part of the Welding Alloys group, which covers more than 150 countries through a network of 30 subsidiaries... →
Modern exploration tech to revive local diamond mining
By: Robyn Wilkinson 9th June 2017 With the application of third-generation exploration technologies, South Africa may prove to be the next diamond exploration frontier, says diamond explorer Botswana Diamonds MD James Campbell. →
Africa ramping up diamond exploration
By: Robyn Wilkinson 9th June 2017 As exploration activity in the African diamond mining industry resurges in expectation of a supply shortfall in the next five to eight years, mining consultant The MSA Group is preparing its facilities to meet a growth in demand for its services. →
New mine design focused on realising business excellence
By: Robyn Wilkinson 9th June 2017 Johannesburg-based project management and engineering company Paradigm Project Management (PPM) will apply its “three halves” philosophy to design and develop diamond producer Stellar Diamonds’ Tongo-Tonguma project, in Sierra Leone. →
RADICAL REVIEW NECESSARY With a diamond supply shortfall looming, exploration companies must employ innovative planning to obtain funding for new projects
Difficult drilling proves rewarding at Koffiefontein
By: Robyn Wilkinson 16th December 2016 Diamond producer Petra Diamonds’ geological team has gained access to the kimberlite deposit between the 60 m level and 72 m level at its Koffiefontein project, in the Free State, owing to diamond drilling services provider Lesedi Drilling and Mining Contracting Company’s assistance in... →
Junior miner to complete facility expansions this year
By: Robyn Wilkinson 16th December 2016 All of the facility expansions under way at the Krone-Endora project, in Limpopo, are on track for completion by the end of the year, says Canadian junior mining company Diamcor Mining CEO Dean Taylor. →
‘Exciting prospect’ awaits decision
By: Robyn Wilkinson 16th December 2016 Diamond explorer and project developer Botswana Diamonds is in discussions with its joint venture (JV) partner, Botswana State-owned copper and nickel producer BCL, to undertake essential verification drilling on a cluster of diamond-bearing kimberlite pipes at the Maibwe exploration project in... →
JV plant to process Kimberley underground ore by H2 2017
By: Robyn Wilkinson 16th December 2016 Diamond miner Petra Diamonds expects all ore from its Kimberley underground operation to be processed through the combined treatment plant associated with its Kimberley Ekapa Mining (KEM) joint venture (JV) from the second half of fiscal year 2017 onwards. →
Bulk of Cullinan C-Cut Phase 1 nears completion
By: Robyn Wilkinson 16th December 2016 Mining services company Murray & Roberts Cementation will complete its contract at diamond miner Petra Diamonds’ Gauteng-based Cullinan mine this month, concluding the largest portion of the R4-billion Phase 1 expansion project that will initially extend the diamond mine’s life span by about 15 year →
DG Lab Services
23rd September 2016 This knowledge and experience also encompasses testwork capabilities envisioned for future expansion. →
Industry growth in hands of junior explorers
By: Kimberley Smuts 29th July 2016 Diamond exploration enquiries received by mining industry consultancy The MSA Group from small players in Botswana, Lesotho and the Free State have increased considerably since May this year. This includes greenfield kimberlite indicator mineral testing, alluvial diamond mineral resource... →
Large-diameter drilling at Orapa project may start at year-end
By: Kimberley Smuts 29th July 2016 Exploration company Tsodilo Resources aims to extract between 2 000 t and 3 000 t of kimberlite from BK16, potentially one of the last economic kimberlite pipes in the Orapa kimberlite province in Botswana, during a large-diameter drilling (LDD) programme in the fourth quarter of the year. The... →
Project targets millennial diamond consumers
By: Kimberley Smuts 29th July 2016 International diamond mining organisation the Diamond Producers Association (DPA) is working on a project aimed at tackling the generic marketing of diamonds to attract standard and millennial consumers, otherwise known as the ‘Y’ generation. Rough and polished diamonds trader Blom Diamonds owner... →
MARKETING MATTERS The diamond industry is undertaking the first catefory marketing campaign in over five years
Sorters prove worth to industry
3rd June 2016 A joint venture between mining and minerals processing engineering specialist IMS Engineering and German separation technology company Steinert has borne fruitful with the introduction of Steinert’s X-ray transmission (XRT) sorters in use in the diamond mining industry. Two of the sorters have... →
Venetia takes safe approach to building major underground operation
By: Simon Sonnekus 3rd June 2016 Anticipating and prioritising the additional challenges and potential hazards of implementing underground mining operations at the Venetia diamond mine requires putting the necessary enablers and precautions in place over the next few years. “It is a massive operation in logistics and cooperation... →
Diavik hits 100 Mct as Ekati development gathers pace
By: Henry Lazenby 3rd June 2016 Canada’s largest diamond mine has reached the significant milestone of producing 100-million carats of rough diamonds since the mine started in 2003. A 60/40 joint venture between mining major Rio Tinto and Canada’s Dominion Diamond Corp, Rio Tinto Diamonds, Salt & Uranium MD Simon Trott praises... →
Major endorses diamond search
By: Henry Lazenby 3rd June 2016 Explorer CanAlaska Uranium has gained a multimillion-dollar endorsement from the world’s largest crystallised-carbon producer De Beers Group of Companies, after the partners entered into an option-participation agreement for expenditures up to C$20.4-million on kimberlite-style targets staked by... →
Vacuum solutions provider assists diamond industry
By: Simon Sonnekus 3rd June 2016 Heavy-duty industrial vacuum systems designer, manufacturer and supplier Hencon Vacuum Technologies is testing an automated, remote-controlled dual-vacuum unit at diamond miner Petra Diamonds’ Cullinan mine, in Gauteng, which is expected to reduce theft. The Honeydew-based company is conducting... →
Rough diamond valuation global industry challenge
3rd June 2016 Rough diamond valuation remains a challenge that is not limited to one country, one diamond centre, or the government-led certification scheme the Kimberley Process (KP), it is a critical challenge for the entire diamond industry, says United Arab Emirates (UAE) KP chair Ahmed Bin Sulayem.... →
Diamond beneficiation boost targets youth
By: Dylan Slater 11th December 2015 To empower young diamond beneficiators in South Africa, where the sector has declined in recent years, the Young Diamond Beneficiators Guild was established to provide support to new entrants in the local industry and assist in getting more South African youth into the diamond industry, thereby... →
REINFORCING INDUSTRY The Young Diamond Beneficiators Guild aims to strengthen South Africa’s diamond beneficiation industry
Drowning SA diamond industry needs consolidated efforts to be revived
By: Dylan Slater 11th December 2015 South Africa’s diamond mining industry is shrinking, continuing on a downward spiral following years of disinvestment, a drain on skills and beneficiation job losses, says World Federation of Diamond Bourses president Ernie Blom. The country’s once iconic and thriving diamond industry is... →
IN SPOTLIGHT The South African diamond industry requires consolidated efforts to regain momentum and re-establish its diamond beneficiation industry
Sustainability of major player highlighted at first Diamond Indaba
By: Dylan Slater 11th December 2015 Diamond miner De Beers is undertaking various projects and initiatives together with stakeholders to promote the prospects of the longer term sustainability of the industry. One of the most significant is by stimulating the market for diamonds at a time when it “finds itself in difficult times”,... →
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