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Shaft Excavation Method In Soft Soil ? Synopsis (57c66dec-079b-41a9-bafc-ab363857a914)
By F. N. F. le Roux
This paper describes the method used for excavating the upper 33m of emergency access shaft E2 for the underground single track tunnel running between Park and Rosebank station of the Gautrain Rapid R
Jan 1, 2009
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What is driving the development of integrated technical enterprise systems in the mining industry?
By I. Jones
Geologists, engineers, technicians and surveyors have successfully utilized technical software in the mining industry for over 30 years. Software for processing survey, geology, mine engineering and p
Jan 1, 2003
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The Anisotropic Nature Of Selected Metamorphic Rocks From Greece (7c2b838c-2683-4593-b408-af708bc34e51)
By H. Saroglou
Anisotropy is a characteristic of intact foliated metamorphic rocks (slates, gneisses, phyllites, schists). Testing was used to establish the anisotropic behaviour of selected gneissic rocks. The effe
Jan 1, 2004
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A Decade Of Change - Mineral Exploration In West Africa - Introduction
By D. Pohl
The past decade has seen rapid expansion in the West African mineral exploration environment. This expansion has been largely driven by changes in ?Political climate ?Fiscal and legal regimes ?Ex
Jan 1, 1998
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The major role played by calcium in gold plant circuits - Synopsis
By R. J. Davidson
Arguments are presented in favour of a new interpretation of the chemistry pertaining to the dissolution of gold, when this takes place in typical gold plant leach circuits where calcium is present in
Jan 1, 2007
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An Evaluation Of The Self-Directed Work Team Concept As A Means To Improve Overall Performance On South African Gold Mines
By C. F. Strydom
Paper written on project work carried out in partial fulfilment of B. Eng (Mining Engineering) degree The Self-directed work team concept is the product of relentless performance pressure on Americ
Jan 1, 2002
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Synergistic Effects Among Dithiocarbonates (DTC), Dithiophosphate (DTP) And Trithiocarbonates (TTC) In The Flotation Of Merensky Ores
By W. Breytenbach
Traditionally, dithiocarbonates (xanthates) have been the preferred collectors for the flotation of platinum-bearing sulphides. However, collector development has led to trithiocarbonates (TTC), which
Jan 1, 2003
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A new preconcentration technique for the determination of PGMs and gold by fire assay and ICP-OES
By F. Rwere, A. Masasire, P. Dzomba, M. Mupa
Accurate determination of platinum group metals (PGMs) and gold (Au) has always proven to be a difficult task, due to their low concentrations in platiniferous ores. The most common preconcentration t
Jan 2, 2022
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A critical comparison between a compressed air driven rocker arm shovel and a track-bound non-throw loader - Synopsis
By A. Meek
This report compares the compressed air driven rocker shovel to the newly developed Warthog Non-throw development end loader. The two machines were compared on aspects such as safety, loading potentia
Jan 1, 2009
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Mine Haul Road Maintenance Management Systems
In surface mining operations, ultra-heavy trucks operate on haul road networks which are typically from 10?40 km in length. These road networks are often not optimally designed and maintained and as a
Jan 1, 2003
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Cokriging And Its Effect On The Estimation Precision
By E. Yalçin
The data set often contains one or more secondary variables. These secondary variables are usually spatially cross correlated with the primary variable. The addition of the cross-correlated informatio
Jan 1, 2005
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Geotechnical Investigation Of Decline Shaft Portals (98716578-d9a6-4b5f-b3d0-51b497360883)
By R. A. Puchner
The location of a decline shaft portal can have far reaching implications if the geotechnical conditions are not suited for safe and cost effective excavation. Ideally the portal should be positioned
Jan 1, 2009
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Mould Powder Selection For Thin Slab Casting
By J. A. Kromhout, J. Trouw, A. A. Kamperman, M. Kick
Mould powders play an important role in the stability of the continuous casting process. The main functions of mould powders are to provide sufficient lubrication and to control the horizontal heat tr
Jan 1, 2004
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Geotechnical Design For Open Pits At Tanjianshan, China
By Huang Zhiwei, Paul Skayman, Kevin Holley
In 1989 The First Brigade for Geology and Mineral Exploration of Qinghai Province discovered gold at Jinlonggou and Qinlongtan, Tanjianshan. Between 1992 and 2002 small scale mining was carried out a
Jan 1, 2006
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A Geotechnical Rationale For The Design Of South African Open Cast Coal Mine Highwalls
Open cast mining has been practiced in South Africa since the late1970s under near ideal geotechnical conditions. In the past decade, with the exhaustion of the traditional South African coal fields,
Jan 1, 2001
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Presidential Address: The Uranium Story - An Update
By R. P. H. Willis
Uranium is back on the radar. Uranium has always been a controversial metal, from its role in the arms race to its claim to be the only viable alternative to fossil fuel. This paper will cover its pro
Jan 1, 2006
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Modelling And Assessment Of The Long-Term Leachate Generation Potential In Deposits Of Ferro-Chromiun Slags
The environmental impact of solid waste materials is closely linked to their potential to produce a hazardous leachate once deposited in a landfill. This potential is conventionally assessed with simp
Jan 1, 2000
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Comparative Seismology Of The Witwatersrand Basin And Bushveld Complex And Emerging Technologies To Manage The Risk Of Rockbursting
By R. J. Durrheim
The seismicity of the Witwatersrand Basin and Bushveld Complex has been analysed, revealing significant differences in source and damage mechanisms. A comparison of mining taking place at similar dept
Jan 1, 2005
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Keynote Address: Coal Mining - The Future - Introduction
By R. P. Mohring
Before we look at what the challenges and opportunities for future coal mining will be, it is appropriate to have a look at whether there will be a coal industry in the future. There is much talk abo
Jan 1, 2001
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Nugget effect, artificial or natural? - Synopsis
By P. C. Carrasco
Knowing the origin of the relevant and irrelevant components of the nugget effect is essential to optimize the process under study. This paper describes the causes of the nugget effect and, its depend
Jan 1, 2010