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Belting range displayed

By: System Author 15th October 1999 Mpumalanga Mining & Industrial Show →

By: System Author 2nd July 1999 Coal export prices have been declining steadily for the past 24 months, and hopes are high that they will reach a plateau at around US$24/t, Minerals Bureau chief mineral economist: coal and hydrocarbons Xavier Prevost tells Mining Weekly. “South Africa has lost export tonnages to most... →

Colliery upgrade completed

By: System Author 2nd July 1999 The upgrade of the plant at Bank Colliery was completed within schedule and budget, and with minimal disruption to the plant’s operations, a success which Brian Barton, the lead Anglo American Technical Services (AATS) control and instrumentation engineer on the project, attributes to the... →

Outsourcing points the way

By: System Author 2nd July 1999 The outsourcing of processing operations is the way not only the coal industry, but the whole South African mining industry, is going, observes coal contracting specialist Minopex GM Tony Riley. “Minopex is offering clients an opportunity to consider the outsourcing of their coal-processing... →

Coal stats remain in the dark

By: System Author 2nd July 1999 The lack of good-quality detailed local coal sales and consumption data is cause for concern, and Institute for Energy Studies acting director Chris Cooper reports there is little indication that this situation will change for the better in the foreseeable future. “The reason why companies... →

Set to be SA’s lowest-cost gold mine

By: System Author 25th June 1999 High technology and high gold grades from an exceptional orebody which lends itself to bulk mechanised mining are poised to make the R1,6-billion 620-employee Target gold-mine South Africa’s lowest-cost underground gold-mine, Avgold chairperson Rick Menell foresees. A slew of technological... →

The e-commerce mine

By: System Author 25th June 1999 There’s never been anything like it in South African gold-mining. Mod cons are being built-in to this twenty-first century operation in the normally-conservative northern Free State like never before, in one of the last unmined parts of the rich Witwatersrand Basin, which has yielded some... →

Surprise-free mining forecast

By: System Author 25th June 1999 Surprise-free mining is forecast for Target gold-mine by seismic interpreters Rock Deformation Research (RDR) of Leeds in the UK – the fruit of state-of-the-art seismic surveying and detailed analysis, RDR’s Steve Jolley tells Mining Weekly. A three-dimensional (3D) seismic reflection... →

Mouth-watering automation

By: System Author 25th June 1999 A revolutionary management concept with information technology (IT) as its pri- mary enabler has been developed to help Target gold-mine achieve its cost-an-ounce objective which could be as low as US$135/oz, Mining Weekly can today report. Just-in-time (JIT), automated inventory control,... →

Impressive 4,9 m face advance

By: System Author 25th June 1999 A combination of new technologies has helped Target gold-mine to achieve impressive face advance. AECI Explosives Limited (AEL) underground bulk systems technology (UBST) acting business manager Mike Pledger tells Mining Weekly that a combination of computerised drill-rigs able to drill... →

19 additional exploration holes to be drilled

By: System Author 25th June 1999 THE underground drilling of 19 additional exploration holes at Target begins this month. The R1,9-million six-month contract to drill the 60 mm diameter holes has been won by Cementation Mining, of Johannesburg, whose R50-million 32-hole surface-drilling contract at Target is nearing completion,... →

Vent shaft in the offing

By: System Author 25th June 1999 A decision on a new ventilation shaft system for Target will be considered once surface drilling at Target north’s Siberia area is completed to ensure that it is sited to provide optimum orebody access. “We are going to create a model of the ore reserve and then work from... →

Promising adjoining areas

By: System Author 25th June 1999 What is referred to as Target is really only Target south. This, on its own, is destined for at least 15 years of life. But adjoining are areas of potential future expansion, embracing Target north, and Sun south, each already showing signs of significant potential. Target south embraces the... →

Profit-share equipment deal

By: System Author 25th June 1999 Target gold-mine has struck a profit-share contract with a major Scandinavian equipment supplier, which is reportedly bringing new demands of commitment from both parties. Tamrock business development manager Darryl Cockrcoft tells Mining Weekly that Tamrock secured its first equipment fleet and... →

Loraine could have been highly profitable

By: System Author 25th June 1999 HAD Loraine gold-mine been mined as Target will be mined, it would have been highly profitable. Records show that for seven years of its life, while mining the Weltevreden fan, Loraine mined at a recovered grade of 11 g/t-plus. “It was an excellent orebody and equivalent to that at... →

Surveying with advanced tools

By: System Author 25th June 1999 Advanced fully solid-state downhole sur- vey tools are being used by a Gauteng firm to undertake the borehole survey operation at Target gold-mine as part of the surface-exploration project. State-of-the-art electronic multishot survey (EMS) tools are being used to survey up-to-3 600 m-deep... →

Info providing cost headstart

By: System Author 25th June 1999 Accuracy of information is giving Target gold-mine a major cost headstart. Drilling and years of mining at adjoining Loraine is minimising risk. The main drilling programme finding is that the extensive shallower Eldorado formation containing Elsburg and Dreyerskuil reefs continues north from... →

Mines persist with obsolete equipment

By: System Author 4th June 1999 lthough roof-bolting is the most effective means of strata control, the continued use of antiquated strata-control equipment poses its own dangers to the operators of these machines, reveals Rham Equipment MD Robert Alcaraz. Launching a scathing attack against one of the country’s largest... →

SA institute a world-first

By: System Author 4th June 1999 The world’s first professional institute for rock engineering to promote the science of rock mechanics or strata control is being established in South Africa. The South African National Institute of Rock Engineering (Sanire), reported to be the first of its kind in the world, is expected to... →

How to determine pillar stability

By: System Author 4th June 1999 The movement towards partial coal-pillar extraction, as opposed to full pillar extraction, has resulted in the development of a method to calculate pillar stability by Gauteng rock engineering and methane consultant Itasca Africa, reports MD Dr Nielen van der Merwe. Traditionally, South African... →

New steel for strata control

By: System Author 4th June 1999 Gauteng high-pressure pipe-systems supplier Trucking and Engineering has developed a high-abrasive, erosion-resistant steel in co-operation with a European steel manufacturer for use in backfill piping connectors and other strata-control equipment. Having two-and-a-half times the resistance to... →

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... →

Top SA–Zambian cobalt renaissance

By: System Author 28th May 1999 South Africans will next month begin building a new R500-million-plus metals-treatment plant in Zambia – a project which is providing an early flicker of contribution towards the realisation of Thabo Mbeki’s African Renaissance dream, Mining Weekly can today report. While decisions on... →

Virtually-real speed

By: System Author 28th May 1999 AN engineeringly-correct virtually-real computerised site model is helping to fast-track the R500-million-plus Chambishi cobalt project (Cosak) which is speeding ahead to beat Zambia’s notoriously-inhibiting rains, expected from October, Kvaerner Metals Director Non-Ferrous Gavin Horscroft... →

Slag dryness is crucial

By: System Author 28th May 1999 The material to be fed into the smelter at Chambishi Metals in Zambia at an initial rate of 350 000 t/y will have a moisture content of less than one per cent, Dowding Reynard & Associates (DRA) project manager John Rees tells Mining Weekly. Slag will be dried virtually completely to accommodate... →

Second 40 MW smelter is part of plan

By: System Author 28th May 1999 CONDUCTIVE-hearth furnace technology is set to play a crucial role in the recovery from slag of between 2 000 t to 4 000 t of cobalt and between 5 000 t to 10 000 t of copper at Chambishi Metals in Zambia, where Anglovaal Mining Limited (Avmin) is to expand a metallurgical plant, Titaco project... →

So innovative, it’ll be patented

By: System Author 28th May 1999 A joint patent is to be taken out by Avmin and Hatch Africa on innovative cost-saving hydrometallurgical technology which will be used for the first time at Anglovaal Mining’s R500-million-plus cobalt-from-slag project in Zambia, Hatch Africa executive director Robert Francki tells Mining... →

Jo’burg will see all on camera

By: System Author 28th May 1999 Digital internet-linked cameras are planned to relay site progress back to Johannesburg daily, giving the design team for Anglovaal Mining’s (Avmin) R500-million-plus cobalt slag project at Chambishi, in Zambia, continual site status. This is over and above the engineeringly-correct... →

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