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Diamonds News

Low-cost diamond advantage

By: System Author     18th June 1999 A small diamond-mine in the Northern Province, discovered on ‘The Oaks’ farm, which yielded more than 7 400 carats in the first three months of operation, is referred to by De Beers chairperson Nicky Oppenheimer as an important advantage in an increasingly competitive environment, in... 

Africa’s most advanced diamond-training school

By: System Author     18th June 1999 With South Africa being a significant producer of gem-quality diamonds, various efforts are being undertaken to develop its downstream diamond industry. The Harry Oppenheimer Diamond Training School in Johannesburg, funded by the Diamond Foundation and De Beers, provides the opportunity for... 

SA production increases

By: System Author     18th June 1999 PROVISIONAL statistics indicate that South Africa’s rough-diamond production for last year amounted to about 10,5-million carats, an increase of 4,6% (some 460 000 carats) on the 10,04-million carats produced in 1997, reports Minerals Bureau chief mineral commodity specialist Ashok... 

Diamond software shines on

By: System Author     18th June 1999 With an ever-increasing drive to increase profits, the diamond-mining industry has now started to invest more in the development and use of software aimed at effective resource management, reports Gemcom director Ian Jones. “Historically, the resource-management divisions at mines have... 

R2-billion Orapa expansion project is ahead of schedule

By: System Author     18th June 1999 The R2-billion project to double the production of Orapa diamond-mine 240 km west of Francistown in Botswana from six-million car/y to 12-million car/y is ahead of schedule, with the first diamonds from the commissioning phase expected to be produced by the beginning of August. The project is... 

Diamond-mining screen products

By: System Author     18th June 1999 Screen-product specialist Mesh- cape Industries, of Edenvale, Gauteng, supplies products to the diamond-mining industry. These include expanded handrailing, woven-wire screens and woven-wire mesh, polyurethane, perforated materials, floor grating, vee-wire products and filtration units.... 

Global search for diamonds

By: System Author     11th June 1999 Africa and Canada are the main focus areas of diamond giant De Beers’ global exploration programme, Mining Weekly can today report. “We have subdivided the world into three exploration areas – 

Trial mine for small miners

By: System Author     11th June 1999 The government’s commendable move towards establishing a more benign environment for small mining companies, is not only creating opportunities for junior operations to start up, but the innovative and unorthodox practices introduced by these are seeing the benefits being passed right down... 

Commodity renaissance: First course or dessert?

By: System Author     11th June 1999 The flurry of activity in resource shares on world stock markets, which began at the start of the year, has slowed, but there is still significant and growing interest in the sector. And while some are labelling it as the start of a ‘commodity renaissance’ others are not sure whether... 

Mechanised roof-bolting a hit

By: System Author     4th June 1999 Renewed focus on productivity and safety in the South African mining industry has sparked interest in the development of mechanised roof-bolting and other roof-support systems, reports Sandvik Tamrock business development director Gerald Elliott. In terms of underground mining methods, the South... 

Gold beneficiation initiatives take off

By: System Author     4th June 1999 South African gold-mining company Anglogold is undertaking various initiatives to support local gold beneficiation, including the ‘Riches of Africa’ gold jewellery design competition. At a gala function held in Gauteng in May to announce the overall winner, Anglogold CEO Bobby Godsell... 

Gold’s monetary role increasing

By: System Author     4th June 1999 There is still a broad appreciation of gold’s role as a monetary asset, evidenced by the fact that 120 institutional holders of the metal, such as Russia, Poland and the Philippines, are actively adding to their reserves. This is the view of World Gold Council (WGC) gold market analysis... 

Big diamond shake-up begins

By: System Author     21st May 1999 To resolve the long-standing tug-of-war played between the Government Diamond Valuator (GDV) and diamond exporters, the Department of Minerals and Energy (DME) has retreated to the written law. Minerals and Energy Minister Penuell Maduna, speaking at a press conference earlier this month, said... 

Jwaneng mine Gaborone, Botswana

By: System Author     21st May 1999 Name: Jwaneng mine Location: 200 km south-west of Gaborone, Botswana Brief description: The Jwaneng kimberlite deposit is made up of three distinct lobes which coalesce 80 m below surface to make one sub-outcrop with an area of 54 ha. These pipes were discovered during the 1970s and overburden... 

Gold.com: gold in bid to become cyber currency

By: System Author     21st May 1999 Over the last few years, it has become fashionable to talk of the demonetisation of gold; some have even referred to it as reverse alchemy. How can gold, which is really ‘g’ plus ‘old’, ever expect to regain a central place in the fast- moving, bit-and-byte-based financial... 

BUSTED: Operation Egoli nets 100 suspects

By: System Author     14th May 1999 An eleven-month undercover operation by the South African Police Services’ (SAPS) diamond and gold branch, code-named Egoli, reached its climax two weeks ago with the arrest of 100 suspects. As the cherry on top, sufficient evidence, in the form of 8,5 kg of processed gold, has been found... 

Tanzania showing the way

By: System Author     14th May 1999 By instituting economic, financial and tax reforms in a reasonably stable political environment, Tanzania is aiming to provide the climate necessary for mines to flourish in the country. Tanzania is a rich source of gold, diamonds, base metals, platinum-group metals, ferrous metals, tin,... 

‘Use it or lose it’ listing

By: System Author     14th May 1999 mong the first to list on the Johannes- burg Stock Exchange (JSE) as a result of changing government policy towards a more benign environment for small mining companies, is Noble Minerals. The company is about to enter the third and final phase of exploration at the Storm manganese deposit in the... 

Ekati Project Canada

By: System Author     14th May 1999 Name: Ekati Project Location: The mine is located in a remote tundra region near Lac de Gras in the Northwest Territories (NWT), about 200 km south of the Arctic Circle. Brief description The mine is situated on a 853 000-acre claim block (which includes 8 000 lakes) and is Canada’s first... 

Gold council losing support

By: System Author     14th May 1999 Contributions to the World Gold Council (WGC) by global producers are dwindling. Speaking at the official launch of a new series of fashionable 24-carat gold coins by the South African Mint, Anglogold executive director, marketing, Kelvin Williams, said that support, as a percentage of world gold... 

Far East props up gold

By: System Author     14th May 1999 small band of gold producers that support the World Gold Council are riding united through the stormy winds of legislative change to find their own golden fleece in Far East markets. Through the council, gold producers are slowly opening up markets and increasing gold offtake. In 1992, India... 

Portable pilot flotation plant

By: System Author     7th May 1999 The adage ‘dynamite comes in small packages’ is ringing true at Lonrho’s Karee platinum mine near Rustenberg, in the North West Province, where a R1,5-million portable pilot flotation plant is being commissioned. The pilot plant, known as a flotability characterisation test rig... 

Diamonds of God

By: System Author     30th April 1999 Itzhak Shlomo (‘Tsuki’) Weltsman, 43, has had very few years of formal schooling. The eldest son of a steel-gate maker who emigrated to Israel from Germany in the 1930s, he began work as a diamond cutter at 13. By 22, he had opened his own cutting and polishing factory. In search of a... 

Experienced diamond cutter and polisher

By: System Author     30th April 1999 The depth of Mazal GM Tsuki Weltsman’s experience in cutting and polishing could mean that the company will, in time, exploit the full length of the beneficiation chain – something South Africa has been crying out for so long in order to generate downstream employment. The polishing... 

‘100-year mine’ on the cards

By: System Author     30th April 1999 To complete the exploration task at Mazal Mining’s Paardeberg East, 50 km west of Kimberley, more trenching, drilling and bulk sampling must be undertaken – trenching to expose the kimberlite on surface for a two-dimensional top view; percussion drilling to 60 m for a depth view; and... 

Diamonds of sea

By: System Author     23rd April 1999 Marine diamond-mining is finally coming of age as technological advances provide operators with the means to conquer the treacherous conditions encountered when mining between the devilish weather and the deep blue sea. These advances are starting to see the marine diamond-mining sector realising... 

South Africa’s purple gold

By: System Author     23rd April 1999 In what is believed to be a world first, purple-coloured gold has been faceted for use in jewellery for the local and export market by research and development organisation Mintek. The purple gold, which is an intermetallic compound of gold and aluminium, has been known to chemists and... 

A new best friend for diamond sampling

By: System Author     16th April 1999 Alluvial diamond mining is being taken to unexplored depths by De Beers’ Namaqualand mines with the imminent start-up of a large bucket auger drill which will recover massive 4,9 m3 samples at depths of up to 100 m below the surface. The mine has mining rights for extensive properties along... 

De Beers presses on regardless with Luanda diamond building

By: System Author     16th April 1999 Despite threats posed by the civil war in Angola, which has led to various companies suspending operations temporarily, construction of De Beers’ new 12-storey US$30-million diamond-sorting facility in Luanda is going full steam ahead at. The project is reported to be well under way, with... 

R1,5m deal cast in stone

By: System Author     16th April 1999 A contracting deal between Diamond Winter South Africa and Impala Granite and Stone for more than R1,5-million was finalised last month. In terms of the contract, Diamond Winter will supply Impala Granite & Stone with saw blades and segments as well as other diamond tools for a year.... 

Cutting-edge of quarry products

By: System Author     16th April 1999 As part of the ongoing drive to improve the quality of diamond products manu- factured at Boart Longyear, the company has implemented an innovative new production process designed to yield more consistent, reproducible segments for cutting and drilling, as well as beads for diamond-wire... 

Metal-coating for diamonds

By: System Author     16th April 1999 Metal-coated diamonds introduced by GE Superabrasives will take sawing and drilling applications into the next millennium, maintains manager Roger Lambson. The stone industry’s ongoing quest for durable, high-performance cutting tools has led to the widespread adoption of diamond saws, wire... 

SA mining rife with fraud

By: System Author     2nd April 1999 As a result of several huge gold and diamond busts across South Africa over the past few months, security in the mining industry has been visibly stepped up. However, Mining Weekly can today report that fraud is taking as big a bite out of the already narrow profit margins of local mines –... 

Local diamond indaba

By: System Author     26th March 1999 SOUTH African diamond industry participants will hold an indaba next month to ascertain the state of the industry and its aims for the future. In light of the demise of the Commission of Inquiry implemented last year, the diamond industry believed it was a necessary step to establish a... 

Slagment chosen for Orapa mine

By: System Author     26th March 1999 The principal construction medium for the new diamond crusher plant in Orapa, Botswana has been selected as Slagment. The plant is a significant part of the vast Orapa 2000 project – a joint venture between De Beers and the Botswana government (Debswana), valued at R2- billion. Orapa 2000... 

R42m capex on way

By: System Author     26th March 1999 At operational level, moderate capital-expenditure pro- grammes are still being made at Durban Roodepoort Deep (DRD) mines, with total capital for the next two quarters at R42-million, to be spent in R20-million and R22-million tranches. Another R8-million will be needed at Blyvoor Tribute area.... 

Digging Africa out of poverty

By: System Author     19th March 1999 The mining sector is a beacon of hope for Africa, Mining Weekly can today report. “Most African economies are resource based, and minerals are definitely an important asset for the continent – moreover, one can’t say that all of Africa’s resources have been... 

US, China save platinum’s day

By: System Author     12th March 1999 Not only has the world demand for platinum jewellery held up despite global economic turmoil, but markets outside Japan – traditionally by far the most important single market for the product – have shown strong growth. While the global market for platinum jewellery grew by only 1,4%... 

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