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Diamonds

The Oaks looks to a turnaround

By: andrew lanham     9th September 2005 It is interesting to consider that, if it had not been for a redundant 30 000 t/m pilot plant used in the starting of De Beers’ Venetia mine, the Oaks diamond-mine might never have come into being. 

Recovery technologies under a microscope

By: Mariaan Webb     10th June 2005 The Danoczi Solution (TDS) provides solutions to the mining of diamonds, gemstones and minerals for the maximisation of their recovery. 

Tyre shortage threatens the diamond sector

By: Mariaan Webb     10th June 2005 The majority of diamond mining in Southern Africa takes place in opencast mines and involves the extensive use of heavy machinery such as earthmoving vehicles, which make use of heavy-duty industrial tyres. 

BEE company exploring and mining in the DRC

By: Mariaan Webb     10th June 2005 A 100% South African black-empowered and diversified-resources company, Mineral Capital Assets (MCA), has signed several diamond-partnership agreements, of which the most significant is the joint venture between the company and Service National (SN) of the Democratic Republic of Congo (DRC). 

Innovative plant to benefit small-scale miners

By: Mariaan Webb     10th June 2005 Diamond mining is only one of the products in the Mintek small-scale mining division (SSMD) basket, but still the company is just as focused on the creation of jobs in small-scale diamond mining, as it is in its other focus areas. 

DMS plants supplied to Russian project

10th June 2005 Local company Dowding, Reynard and Associates (DRA) has been at the cutting-edge of diamond-recovery technology for the past 17 years. 

Diamond miner eyes ten new projects

By: Mariaan Webb     10th June 2005 With its head office based in Brakpan, on the East Rand, Manhattan Corporation is actively involved in the diamond-mining industry in the Northern Cape as well as in Africa. 

Bank offers services as industry gears for growth

By: Mariaan Webb     10th June 2005 Diamonds are a volatile industry, in which trust and communication play a vitally important role – especially in banking relationships. 

Exploration crucial to meet diamond demand

By: Mariaan Webb     10th June 2005 The global diamond market has grown at an unprecedented pace in the last five years. 

Diamond plant is commissioned

10th June 2005 The commissioning of the treatment plant at Namdeb’s Elizabeth Bay mine was completed and production at the plant is currently being ramped up to process the required head feed of about 800 t/h of material. 

Solution to reduce diamond loss in final recovery process

10th June 2005 Medium and small alluvial diamond miners spend millions of rands on mining equipment to extract diamond-bearing gravels from mining pits. 

Exploration yields positive results

By: Mariaan Webb     10th June 2005 The shortfall between the supply and demand of rough diamonds is one of the reasons local company Diamond Core Resources invests in exploration and diamond development, MD Theo Botoulas says. 

Company clinches R419m upgrade contract

10th June 2005 South African company Bateman, a solutions provider to the natural-resources industry, is currently involved in a number of projects for diamond mines, both locally and internationally. 

Innovative grease drum a world first

By: Mariaan Webb     10th June 2005 The manufacturing of the world’s first diamond-recovery grease drum, developed and internationally patented by local company Oblique Engineering, has been announced after two years of development. 

Superb stones from high altitude mine

By: andrew lanham     13th May 2005 Letseng diamond-mine is in many respects an extraordinary operation. 

Namakwa Diamonds set to sparkle

By: andrew lanham     15th October 2004 Namakwa Diamonds listed on the Australian Securities Exchange in March 2001, its stated intention being to establish a long-life diamond-mine on South Africa’s West Coast. 

Driverless autonomous trucks possible for underground mining

By: andrea marais     11th June 2004 Newly-developed technology will support the deployment of autonomous/driverless trucks to work underground at De Beers’ Finsch Mine. 

SA diamond brand to be launched internationally

By: andrea marais     11th June 2004 For some years now The Diamond Trading Company has been promoting the branding and marketing of diamonds with a view to creating renewed interest and excitement in diamonds relative to the myriad of other luxury goods available. 

Small compound spring launched in June

By: andrea marais     11th June 2004 German-owned company Schenck Africa, which released a compound spring in 2001, is getting ready to introduce a smaller compound spring size in June.? 

Benchmark achieved in diamond liberation

11th June 2004 A unique preferential ball milling technology developed by IMS Engineering and comminution partner Kawasaki Heavy Industries is setting new benchmarks in the liberation of diamonds from the seabed off the Namibian coast where it has proved itself adept at extracting the mineral intact from a... 

First diamonds processed this month

By: andrea marais     11th June 2004 The refurbishment of previously-used equipment can save money and time, and ultimately enable diamond mines to start production earlier and therefore generate income quicker. 

Richtersveld community prepares for court

By: andrea marais     11th June 2004 Currently, the parties involved in the Namaqualand Richtersveld community case are preparing for the second phase, when the court has to decided whether to grant the land to the community, whether to award them compensation, or whether to award alternative State land. 

Conflict diamond trade down by over 3%

By: andrea marais     11th June 2004 At the World Diamond Council meeting held in Dubai on March 30, it was proclaimed that conflict diamonds, which were approximately four per cent of international production, had decreased to below one per cent. 

50th large-ore sorter for Zim mine

11th June 2004 A manufacturer of large-tonnage high-accuracy ore sorters, has now shipped its 50th large-ore sorter. 

Northern Cape mine installs chute system

11th June 2004 The need to reduce maintenance costs and eliminate belt loading problems was the primary reason why a diamond mine on the Orange river, in the Northern Cape, decided to replace the existing transfer points with Weba Chute Systems on its diamond recovery plant.? 

Panda underground project approved

11th June 2004 The approval of the $182-million ($146 BHP Billiton share) Panda underground project at the Ekati diamond mine, in Canada, was announced by BHP Billiton last month.? 

Strategic partnership on diamond supply announced

11th June 2004 The Contemporary Italian Jeweller and global luxury player, Bulgari, and the Leviev group, the world’s largest producer of cut diamonds, announced a joint-venture agreement last month. ? 

Mining advances at Koidu

By: andrea marais     11th June 2004 Mining of the No 2 kimberlite pipe commenced earlier in May at Koidu diamond mine, in Sierra Leone. 

New machines detect synthetic diamonds

By: andrea marais     11th June 2004 Instruments detecting synthetic diamonds have been developed by De Beers as part of the company’s annual $4-million consumer-confidence research and development operation at Maidenhead in London. 

ART programme reports good results

11th June 2004 HIV and Aids remain a serious threat at Debswana. 

R2m cyclone order awarded

11th June 2004 The contract for the supply of cyclones for Alrosa diamond mine, in Russia, was secured by Multotec Process Equipment. 

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