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Obituary: Dr William Bleloch
With the passing of Dr William Bleloch on 20th June 1991, we lost not only a colleague and a good friend but a man who made a very significant contribution to the industrial development of South Afric
Jan 1, 1991
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Design Principles for Optimizing an Established Survey Slope Monitoring System
By N. Mphathiwa
When slope angles are designed during open pit optimization, there is a risk factor applied in steepening the slopes. The steepening of slope angles has implications for the safety and economics of th
Jan 1, 2014
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Hydraulic mining of an in situ heavy mineral ore reserve
By M. Berger
The ‘Metallurgical Operations’ Department of Grinaker-LTA Process Engineering (GLTA) currently undertakes then primary mining as well as the re-deposition of tailings forTicor South Africa (Ticor) at
Jan 1, 2003
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Time-Dependent Tunnel Deformation At Hartebeestfontein Mine
By J. D. Bosman
The problems associated with squeezing rock conditions in tunnels are well known and have been extensively investigated in the past. Although squeezing conditions are predominantly found in tunnels de
Jan 1, 2000
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Design Of A Modern Large Capacity FeNi Smelting Plant
By J. Kempken, R. Degel, J. Kunze, R. König
The FeNi technology is currently dominated by high-power submerged arc furnaces, often designed as smelter as "two-inline-solution". To achieve the intended high efficiency, state-of-the-art design in
Jan 1, 2007
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Relationships between comminution energy and product size for a magnetite ore - Synopsis
An extensive laboratory grinding study was carried out on a magnetite ore in order to assess the grinding behaviour of magnetic concentrate and tail from low intensity magnetic separation (LIMS).The t
Jan 1, 2010
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Interaction Of Mgo-Mgr2o4(R: Al, Cr, Fe) Refractories With SO2-Containing Gases
By N. Z. Fotoyi
Keywords: MgO-MgR2O3 refractory, SO2-containing gases, chemical attack The reaction mechanisms occurring when MgO-MgR2O3 refractories are exposed to SO2-containing gas atmospheres were examined. T
Jan 1, 2011
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The Mineral And Petroleum Resources Development Act Of 2002: A Paradigm Shift In Mineral Policy In South Africa
By F. T. Cawood
Inauguration of the new political dispensation in South Africa in1994 initiated a dynamic shift in the ownership, management and development of the country?s affluent mineral heritage. The process of
Jan 1, 2004
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The Development Of A Remote-Controlled Highwall Rockbroom?A World First For The Open-Pit Mining Industry ? Synopsis
By D. van Rensburg
Jointed rock slopes are generally stable, as there is no freedom of movement for blocks of rock. In an open- pit mining environment, blasting opens up space into which blocks of rock can fail, resulti
Jan 1, 2012
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A More Corrosion Resistant Herculestm Alloy.
By M. J. Papo, A. Muwila
Hercules? is a low nickel austenitic stainless steel developed at Mintek that has a typical composition of 9 wt% Mn, 0.05 wt% C, 2 wt% Ni, 0.25 wt% N and 16.5 wt% Cr. A more corrosion resistant versi
Jan 1, 2006
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Assessing risk in grade-tonnage curves in a complex copper deposit, northern Brazil, based on an efficient joint
By M. B. Fonseca
Risk quantification in grade-tonnage curves is critical for capital investment in mining projects and can be obtained through geostatistical simulations of orebodies. A practical difficulty may arise
Jan 1, 2003
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Mining Grade And Sampling Theory - The Logical Way To Evaluate Ore Reserves
By P. I. Page
In mineral exploration the place that yields the first significant result is marked and two questions are posed immediately. Where should the next sample be drawn and how big should it be? At present
Jan 1, 2005
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Time-Dependent Behaviour Of Hard Rock In Deep Level Gold Mines
By D. F. Malan
In deep level hard rock mining the rheological behaviour of the rock is important as time-dependent aseismic processes can lead to a stable dissipation of energy thus reducing violent outbursts. Under
Jan 1, 1997
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Processing low-grade coal to produce high-grade products
By G. J. de Korte
South Africa’s best-quality coal, located in the central Highveld basin, is becoming depleted and alternative sources of coal, such as the Waterberg coalfield, will have to be developed to supply the
Jan 1, 2015
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What Is The Best Energy-Delivery System For Hand-Held Stope Drilling And Associated Equipment In Narrow-Reef Hard Rock Mines? ? Synopsis
By P. J. Petit
Changing mining conditions, legislative issues, rising costs, and the constrained supply of skills and electricity in South Africa, have been some of the criteria forcing mine operators and engineers
Jan 1, 2013
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Design And Support Of Rockpasses At Ultra-Deep Levels
By F. M. C. C. Vieira
The DEEPMINE Research Programme sought to develop the technology and competence to mine gold safely and profitably at depths of 3 to 5 km. Among the many issues addressed was the stability and support
Jan 1, 2005
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Support system performance under different corrosion conditions - Synopsis
This paper reports on recent field observations on the performance of support systems under different corrosion environments in Canadian underground mines. Phenomenological data are used to gain a bet
Jan 1, 2008
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Evaluation Of Oxine-Type Ligand Coordination To Zirconium (IV) - Synopsis
By M. Steyn
[Zr(C9H6NO)4]?(HCON(CH3)2)?(H2O), where (C9H6NO) = 8-hydroxy quinoline (oxH), was synthesized and characterized. This tetrakis-coordinated zirconium complex crystallized in the triclinic crystal syste
Jan 1, 2013
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Noxious gas emissionss from the closed iron mines to the built-up areas on the surface
By D. Grabowski, Z. Pokryszka
ABSTRACT: Some residential areas of the iron basin of Lorraine (in the North-East of France) are affected by noxious gas emissions (under oxygenated, carbon dioxide loaded and radon loaded gas mixture
Jan 1, 2003