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Diamonds News

Scada system sets record

By: System Author     16th July 1999 Most likely the largest personal computer (PC)-based supervisory control and data acquisition (Scada) system in Southern Africa, and one of the largest in the world, has been supplied to the R2-billion expansion project at Orapa diamond-mine in Botswana. The contract was awarded to control-system... 

R1m contract

By: System Author     16th July 1999 The contract to provide servers, networking equipment, system software and associated peripherals to the expansion project at Orapa diamond-mine in Botswana was carried out by Johannesburg-based networking company Netpro. Valued at around R1-million, the network forms the backbone for the entire... 

Marine process plant contract

By: System Author     16th July 1999 The contract to design the process plant for Namibian Minerals Corporation’s (Namco)‚ Mark II vessel, which is planned to be operating off the diamond-rich west coast of Southern Africa by the middle of next year, has been awarded to Dowding Reynard and Associates (DRA) of... 

Geologist backs junior’s claims

By: System Author     9th July 1999 With the market only tolerating companies with rock-solid assets, doubts about the prospects of junior mining exploration company Noble Minerals seem to have been a contributing factor in its poor listing on the Johannesburg Stock Exchange in June. Noble is 30% complete with physical exploration... 

Metallogenic map of subequatorial Africa

By: System Author     9th July 1999 July 1999 is an important month for anyone involved in mining in Southern Africa – for the first time, an extensive metallogenic map will be released for the Southern African region, including crucial information such as the detailed location of mineral deposits as well as the... 

India to train ten SA jewellers

By: System Author     9th July 1999 On the initiative of the South African High Commission in India, Jerry Matsila, ten South Africans from the North West Province will be trained by experts at the University of New Delhi in jewellery design and manufacture. Funded by the Indian Technical Education Commission, the programme will be... 

New X-ray scanner for mine security

By: System Author     2nd July 1999 IN collaboration with De Beers group security, Debtech has produced an X-ray scanner for security applications which is a strong, quick, safe and effective deterrent to the concealment of illegal items on or within the human body. Scannex is an ultra-low-dose, full through-body scanning X-ray... 

Mining locos taken for granted

By: System Author     25th June 1999 Mining locomotives are such an established part of Southern African mining that they are taken for granted only too often. This has resulted in many users not utilising the full potential of their horizontal-transport investment. Mine rolling-stock and locomotive investment at present-day... 

Diamond industry hit from all sides

By: System Author     25th June 1999 At the time of going to press all signs were positive that diamond giant De Beers was about to resume exporting diamonds to its marketing arm, the Central Selling Organisation (CSO), in London, with it in the process of assembling goods for export. The interruption in exports was due to a dispute... 

Juniors need to sharpen credibility

By: System Author     25th June 1999 Junior mining and exploration companies might be aided in their d 

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... 

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