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Opencast Quarries News

From waste to profit – turning rock into sand

By: zeena isaacs     31st October 2003 South African crushing and screening equipment supplier IMS Engineering highlights the importance for quarries to produce sand from aggregate sizes of which there is an overabundance, since natural sand is declared a nonrenewable resource. 

MW Profile Aug 15 - Lyttelton Dolomite, South Africa

15th August 2003 Name: Lyttelton dolomite-mine. 

New course is to be offered in slope stability at university

By: candice haase     16th May 2003 The increase in the number of opencast mines in recent years has created a need for more thorough training in this field. 

Gold-mine test for new South African-made 50t truck

By: candice haase     16th May 2003 Production demands at opencast mines have stimulated the need to develop articulated dumptrucks (ADTs) that exceed the typical 40 t machines seen at most opencast operations. 

Owner-operated mines versus contractor-operated mines

By: candice haase     16th May 2003 In recent years, mining companies in the openpit mining sector, including smaller opencast mines and larger surface mines, has more thoroughly considered the advantages of owner-operated openpit mines compared against contractor-operated mines. 

Russian trucks on trial at Limpopo iron-ore mine

By: candice haase     16th May 2003 Contractor at Kumba Resources’ Kwaggashoek East iron-ore mine in Thabazimbi, Limpopo, Masingita Mining, has been testing Russian-manufactured Belaz trucks since February this year. 

High platinum-group metal prices encourage opencast mining

By: candice haase     16th May 2003 Projected and current metal prices have stimulated opencast mining activity across all three of platinum producer Lonmin’s operations. 

Sand and stone quarry acquires new mobile screening plants

16th May 2003 The acquisition of Finlay 663 and 683 Supertrak mobile screening plants by Crushco for its Tweefontein sand and stone quarry and screen hire operations has, according to a director of the company Fred Sprenzel, increased production and enhanced the overall efficiency of the operations. 

Lime mine orders cone crusher

16th May 2003 Bulk materials-handling and minerals processing specialist Osborn has received its first order from the Western Cape for one of its H-Series Gyrasphere cone crushers. 

Earthmoving company completes several new mine orders

16th May 2003 When its dedicated Liebherr R974A face shovel clocked 30 000 hours, Idwala Carbonates did not hesitate to order a new Liebherr R974B backhoe excavator for its calcium carbonates quarry in Kwazulu-Natal. 

Three new crushers are commissioned

16th May 2003 Three Kawasaki cone crushers have have been commissioned by IMS Engineering at the jig plant at Beeshoek. 

New range of medium crushers to extend company’s range

16th May 2003 The processing equipment division of Komatsu Southern Africa has introduced a range of new generation medium-sized mobile crushers to replace and extend its existing range. 

Range of local electric airpower jacks available

16th May 2003 Exclusive distributors in Southern Africa for Simplex hydraulic products, Bellambie Mining & Industrial has a range of jacks that includes the Pow’r-Riser II, manufactured locally for railcar and off-road equipment jacking. 

Hydraulic rigs operational at quarry

15th November 2002 Two Furukawa HCR12 hydraulic drill rigs are being supplied for drilling at Willow Quarries outside Pretoria. 

Association calls for industry-wide health and safety evaluations

By: candice haase     1st November 2002 As the mining industry awaits the implementation the Mineral and Petroleum Resources Development Act, Aggregate and Stone Producers Association of South Africa director Nico Pienaar has faith in the Department of Minerals and energy and the government’s efforts in this regard. 

New skills unit standards by 2004

By: candice haase     1st November 2002 With the recent furore over the financial elements of the leaked Mining Charter, it seems that the public lost focus of one of the critical elements in the industry. 

BEE stone-crusher eyes Moz opportunities

By: candice haase     1st November 2002 The development of recently black-empowered stone-crushing company Stone and Allied Industries is pinned to a possible joint venture that will see Stone & Allied Industries extending its horizons to include Mozambique. 

Shaft-mounted drive suited to quarrying

By: candice haase     1st November 2002 A product that will benefit conveyor-belt applications in the quarrying sector is the addition of Falk Corporation’s Quadrive shaft-mounted speed-reducer to the range distributed by Voith Turbo, a South African subsidiary of the German engineering giant. 

Bloem quarry installs new sand impactor

1st November 2002 Cape Town crushing contractor, C&A Engineering has ordered a new sand impactor for use at the Lefarge Olive Hill quarry, in Bloemfontein, where it will be used for crushing excess aggregate fractions of dolorite to manufacture sand for asphalt. The AP-KV 1010 is a Hazemag sand impactor supplied... 

Empowerment deal in aggregate sector

By: Joanne Delaurentis     25th October 2002 One of the most meaningful empowerment deals signed in the construction industry to date, was how retired chairman and founder of former construction company LTA Dave Thompson described the black economic empowerment buy-out of AngloGold subsidiary Stone & Allied for R5-million. 

Dedicated website developed for seismic monitoring products

6th September 2002 The partnership between Snowden Mining Industry Consultants and the South African Council for Scientific and Industrial Research (CSIR) has resulted in several new mining solutions seeing the light. 

Explosives co-operation deal struck

17th July 2002 A leading supplier of explosives to South Africa’s open cast mining and quarrying industry, Bulk Mining Explosives (BME), has signed a co-operation agreement with international mining and explosive engineering company, Delta Caps International (DCI). 

Slow civil-engineering recovery is hurting industrial-minerals sector

By: Deborah Spicer     14th June 2002 What was the R4,2-billion industrial-minerals sector two years ago is likely to continue or even decrease its modest contribution to South Africa’s gross domestic product (GDP) despite indications that the civil-engineering sector, with which it is associated, is showing a turnaround. 

New loader for W Cape quarries

7th June 2002 Transand in Mossel Bay has taken delivery of the new 12,3-t model Liebherr L 538 wheel loader with stepless hydrostatic travel drive, to be used for materials handling at the company’s quarries. 

German surface miner could replace coal-mine's truck-and-shovel methods

By: candice haase     17th May 2002 A subsidiary of MAN Takraf Fordertechnik, MAN Takraf South Africa, is engaged in the development of more effective surface mining technologies at present. The West-rand based firm is in negotiations with Kumba Resources, formerly Iscor Mining, for the commissioning of a surface miner for use at... 

Illegal mines plague S Africa's aggregate and stone producers

By: candice haase     17th May 2002 The Aggregate and Stone Producers’ Association of South Africa (ASPASA) is immediately affected by an increase in the number of illegal mines in South Africa, according to director Nico Pienaar. 

On-site services drive smart partnerships

By: candice haase     17th May 2002 Barloworld Equipment’s move toward specialist catering for the mining industry will allow it to understand and, consequently, meet the specific needs of its customers, says director and GM of Barloworld Equipment: Mining John Polykarpou. 

Earthmoving equipment range in demand with Southern African diamond-miners

17th May 2002 A leading supplier of earthmoving plant, concrete equipment and cranes, as well as local distributor of Western Star trucks, Liebherr Africa, reports that its excavators and wheel loaders have become invaluable at large and small diamond diggings throughout southern Africa. 

New bulldozer series to be unveiled throughout 2002

17th May 2002 The first of Komatsu’s new Galeo (an acronym for genuine answers for land and environment optimisation) series of mining and construction equipment has hit the Southern African market in the form of the 67 t D375A-5 bulldozer, successor to the previous Avance series D375A-3. 

Giant drillrigs at work at Zim platinum-mine

17th May 2002 One of South Africa’s biggest and most experienced mining contractors, MCC, recently took delivery of two 45-t Driltech D40KS surface blasthole drillrigs which have been despatched to Zimbabwe for development work on the Zimbabwe Platinum Mines (Zimplats) Ngezi project. 

Hydraulic crawler drill acquired

17th May 2002 Blasting and Excavating (B&E) recently expanded its range of Ingersoll-Rand equipment to include an ECM-660 hydraulic crawler drill from Consolidated Rock Machinery (CRM), exclusive distributor of Ingersoll Rand mining and quarrying equipment for Southern Africa. 

Environmental management cuts costs

17th May 2002 Significant cost savings have been realised at Kroondal Platinum Mine as a result of prior planning and proactive management of the environment. 

R100m openpit contract kicks off

17th May 2002 "South African earthmoving contractors, associated principally with the civil engineering construction industry, have increasingly over the last 15 years put their earthmoving and equipment maintenance expertise at the disposal of mining corporations to undertake contract mining operations, "... 

Supplier completes mining equipment supply chain

17th May 2002 Having established itself as a leading supplier of specialised materials handling equipment, opencast infrastructure (shiftable and extendible conveyors, as well as in-pit crushing plants) and custom-designed minerals processing equipment, Krupp Mining and Materials Handling (KMMH) now also... 

SA's big breakthrough in non-explosive technology

17th May 2002 A newly established South African company, Pyrotech Mining Systems, based in Centurion, Pretoria, has developed a breakthrough system in non-explosive and continuous mining technology. 

IT facilitates selection of load-and-haul equipment

17th May 2002 Hitachi Construction Machinery Southern Africa can offer it customers access to a state-of-the-art computer simulation programme that will facilitate the correct selection of equipment for load and haul application within the opencast mining sector. 

Flat demand impedes quarrying sector

By: Joanne Delaurentis     2nd November 2001 The market continues to look bleak for the South African quarrying industry, with no signs of increased demand in the near future, says Aggregate and Sand Producers Association (Aspasa) of South Africa director Nico Pienaar. 

Photoanalysis takes off

By: Joanne Delaurentis     2nd November 2001 Automated photo analysis systems are becoming the standard for fragmentation measurement and analysis in quarrying and mining applications. 

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