https://www.miningweekly.com
R/€ = 17.35 Change: 0.01
R/$ = 14.59 Change: -0.02
Au 1725.61 $/oz Change: -13.97
Pt 1172.00 $/oz Change: -16.00
 

Mining Services News

SA bioleaching for Mexico

By: System Author     23rd July 1999 Mining technology specialist Mintek, together with its technology partner, Bactech, of Australia, has entered into an agreement with Industrias Penoles de CV, of Mexico, to commercialise base-metal bioleaching technology. In terms of the agreement Penoles will fund an initial development... 

R30m crusher

By: System Author     16th July 1999 Turnkey equipment, plant and product support supplier IMS Engineering of Johannesburg was awarded R30-million worth of orders for cone crushers as well as for the primary gyratory crusher for the Orapa 2000 expansion project in Botswana. The first four cone crushers for the existing tertiary... 

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... 

Total mineral-processing solution

By: System Author     16th July 1999 Complete mineral-processing solutions are provided by Outokumpu in the form of physical separation, flotation, and dewatering technology, as well as analysers and automation systems. The company’s Carpco division is an innovator and leader in the recovery of titanium and associated minerals... 

R3-million transfer chutes

By: System Author     16th July 1999 The R3-million transfer chutes for the Orapa 2000 expansion project in Botswana were supplied by bulk materials-handler M&J Engineering of Wadeville, Gauteng. The contract was awarded at the end of 1997. Project manager Peter Barthel reports that the company already had an estimated 40 chutes in... 

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... 

Chileans take a shine to Zambian copper

By: System Author     2nd July 1999 A team of 14 engineers and geologists from Chile’s state-owned copper company, Codelco, is now in Southern Africa, working with Anglo American plc staff on their proposed copper joint venture (JV) in Zambia. The Chileans, who include metallurgical engineers and mining engineers, are... 

Respect margins at all costs, says Evans

By: System Author     2nd July 1999 Contractors must be effective and efficient, and optimise their core-competences if they are to make a decent profit, and margins must be respected at all costs. This simple philosophy, followed by Kroondal Platinum Mine (KPM) MD Dave Evans, is the foundation on which the R310-million greenfields... 

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... 

New stone-dust barrier is in the bag

By: System Author     2nd July 1999 A new method of building stone-dust barriers to provide a highly cost-effective method of inhibiting coal-dust explosions is now available following extensive testing both in South Africa and abroad. The design of the new stone-dust barrier was initiated by CSIR: Mining Technology (Miningtek) as... 

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... 

Gamsberg’s low grade a real impediment

By: System Author     25th June 1999 The international trend in the zinc market towards the development of mines with higher grades could put pressure on the proposed R4-billion project at Gamsberg in the Northern Cape, which is a large low-grade orebody. Last year, Anglo American announced that it would pursue a study of the... 

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... 

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... 

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... 

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,... 

Are coal’s ‘farm fences’ destined to come down?

By: System Author     18th June 1999 It happened in the gold industry when the restrictive ‘farm fences’, which had kept South African gold-mines penned into geologically-irrelevant lease areas, were taken down. Now it looks set to happen in the coal business, as South African coal companies move to boost efficiencies in... 

Tearing away at the enigmatic face of mineralisation in SA

By: System Author     18th June 1999 A project to develop a computer modelling system for orebody formation is yield- ing results beyond expectation, and these are tearing away at the enigmatic face of mineralisation. These discoveries are being made at Rhodes University, where the project is headed by Professor Alan Rice, a... 

Flotation circuit backbone

By: System Author     18th June 1999 The backbone of the world-first, newly-commissioned R1,5-million portable pilot flotation plant commissioned at Lonmin’s Karee platinum mine in March is Mintek’s Floatstar flotation circuit stabilisation system. “The mine has been Mintek’s development site for a long time,... 

Process pumps for mining

By: System Author     11th June 1999 Local pump specialist Ahl- strom Pumps has been offering pumping solu- tions to the metallurgical industry for the refining of steel and non-ferrous metals, such as copper, zinc and nickel, with much success for over a year now. The company previously only developed and manufactured pumps and... 

The great gold coin debate

By: System Author     28th May 1999 The gold-cast face of human rights worldwide, that of President Nelson Mandela, could lead to a head-to-head battle with South Africa’s other prestigious gold coin product, the Krugerrand. Mining Weekly engaged in an investigation to find out exactly how a potential... 

R1,5m facility for mineral research

By: System Author     28th May 1999 brand-new R1,5-million mineral- beneficiation research facility has been completed by thermal-process engineer Thermopower Furnaces at its Olifantsfontein, Gauteng, manufacturing plant. Construction on the building began in January this year after it was decided to designate separate facilities... 

Facing the future

By: System Author     21st May 1999 The range of trackless mining equipment from Boart Longyear provides the industry with rigs, booms and drills that can contribute to increased face advance by operating faster and more efficiently and safely, replacing manual systems, says capital equipment director Bob du Toit. “The rate... 

Unsuitable geology restricts method

By: System Author     21st May 1999 The longwall mining method is no longer as popular in South African coal-mines due to its unsuitability to local geology. It is being replaced with continuous miners and roadheaders because of their greater flexibility and lower cost, Fermel Hydraulic & Engineering MD Savi Iovino tells Mining... 

Productivity boosted by longwall mining

By: System Author     21st May 1999 The longwall mining method boasts results such as productivity increases and higher extraction rates, reports the Chamber of Mines. Together with shortwall mining, a variation of longwall mining originating in the US, these are being used by some South African mines. In longwall mining, two... 

New era for SA gold-mining now on target

By: System Author     21st May 1999 Unconventional philosophies to be implemented at Avgold’s new Target mine in the Witwatersrand basin herald the beginning of a new era in gold-mining in South Africa. Based on the foundations of mechanisation, information and modern organisational design, the operation is expected to yield... 

Base-metals bioleach commercialisation

By: System Author     14th May 1999 A memorandum of understanding to commercialise base-metal bioleach technology has been executed by BacTech Metallurgical Solutions (BacTech) and Mintek with Industrias Pe 

‘Big’ small contractor

By: System Author     14th May 1999 Durban-based civil engineering, drilling and blasting company Eire Contractors is reported to be the biggest of the smaller-volume customers of Sasol Mining Explosives (SMX), states MD John Moffatt. The company is blasting 300 t of SMX explosives a month and, although not being able to compete... 

Explosives group is bang on target

By: System Author     14th May 1999 The drive by the Sasol group of companies towards the goal of becoming a leader in the global explosives market is spearheaded by a market-focused commitment to product and service innovation, states Sasol Mining Explosives’ (SMX) MD Dewet Deetlefs. A manufacturer and marketer of commercial... 

New detonators a hit

By: System Author     14th May 1999 The introduction of electronic detonators into the existing detonator market can only enhance operating productivity for mines, reports Ensign-Bickford South Africa (Ebsa) MD Ray Gibbison. He explains that, although the company controls most of the surface detonator market, low-technology... 

Hi-tech advances a blast

By: System Author     14th May 1999 The release of Sasol Mining Explosives’ (SMX) new electronic detonator in mid-1998 by Sasol Mining Initiators (SMI) – the developer, manufacturer and international marketer of the product – was brought forward because the company is committed to a phased, though far-reaching... 

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... 

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... 

World to SA: Catch up!

By: System Author     7th May 1999 Official explosion-protection and flameproofing training for South African engineers and technicians appears to be sparse, and compares poorly internationally, says South African Flameproof Association (Safa) chairperson Ken Bryant. He points out that a generalised approach to education is... 

Haulers for coal mine

By: System Author     7th May 1999 Diesel-engine flameproof specialist Explosion Protected Equipment (EPE) of Wynberg, Gauteng, has supplied three dry-system flameproofed underground-hauler engines to Ingwe Coal’s Khutala mine in Mpumalanga. EPE is the sole South African distributor of the Pyroban Minepower Dry System, which... 

Retrofit system is no damp squib

By: System Author     7th May 1999 Diesel-flameproofing equipment specialist Elgin Flameproof of Kempton Park, Gauteng, has developed and is manufacturing a dry flameproof system with retrofit capabilities on to commonly-used wet scrubbing systems, reportedly making it considerably cheaper than the imported dry flameproof systems... 

Hazardous-area spec defined

By: System Author     7th May 1999 Engineering-inspection company SGS of Olifantsfontein, Johannesburg, is collaborating with the South African Bureau of Standards (SABS) to write a specification for a more economical diesel vehicle for underground use outside Zone 1 hazardous areas of mines where there is a possibility of methane... 

Latest News

more

Latest Videos

more

Company Announcements

more

About

Mining Weekly is a product of Creamer Media.
www.creamermedia.co.za

Other Creamer Media Products include:
Engineering News
Research Channel Africa
Polity

Read more

Subscriptions

We offer a variety of subscriptions to our Magazine, Website, PDF Reports and our photo library.

Subscriptions are available via the Creamer Media Store.

View store

Advertise

Advertising on MiningWeekly.com is an effective way to build and consolidate a company's profile among clients and prospective clients. Email advertising@creamermedia.co.za

View options
Free daily email newsletter Register Now
Register Close