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Quantitative Evaluation Of Fill Performance In South African Gold Mines
By N. C. Gay
The quantitative evaluation of the performance of fill materials placed in gold mine stopes is achieved by (i) measurement of the in-situ load- displacement, or stress-strain, characteristics of the m
Jan 1, 1988
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SPOTLIGHT on Richards Bay Minerals
By R. J. E. Stewart
Another very successful evening meeting was organized by the Johannesburg Branch of The South African Institute of Mining and Metallurgy on 20th November, 1990, when Mr R.D. MacPherson, General Manage
Jan 1, 1991
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Plasma Technology for the Manufacturing of Nuclear Materials at Necsa
By J. L. Havenga, L. J. van der Walt, J. T. Nel
"SynopsisThe development of plasma technology at Necsa started in the early 1980s, when the applicability of high-temperature plasmas in the nuclear fuel cycle was investigated. Since 1995, this plasm
Jan 1, 2015
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Notices The Institution of Mining and Metallurgy
NOTICES The Institution of Mining and Metallurgy The Institution is to hold a one day meeting entitled "Sampling in the mineral and metallurgical processing industries" at Imperial College, London, on
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Field Validation of Estimated Primary Fragment Size Distributions in a Block Cave Mine
By S. Annavarapu
"Fragment size distributions play an important part in the design and planning of block cave mining operations. Though several methods have been proposed for estimating fragment size distributions in
May 1, 2019
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The South African Institute Of Mining And Metallurgy Reference Books In The Institute Section Of The Library Of The Chamber Of Mines Of South Africa List No. 5
The Institute has concluded an agreement with the Chamber of Mines whereby the Chamber Librarian maintains a section in the Library for the Institute. Surface effects of underground mining South Afric
Jan 1, 1986
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O.F.S. and Klerksdorp
Branch Minutes of the General Meeting held at President Steyn Gold Mine canteen on Wednesday, 10th May, 1978, at 4.00 p.m. Erratum We apologize to Mr J. G. Taylor for the error in one of his qualifica
Jan 1, 1978
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Project Success And Performance Evaluation
By R. G. Koelmans
In 2001 Platinum overtook gold in foreign revenue earnings for South Africa. The export sales from platinum group metals amounted to R29.3 billion as opposed to gold export sales of R28.6billion1. O
Jan 1, 2004
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Non-Explosive Mining: An Untapped Potential For The South African Gold-Mining Industry (cbe23da5-e33f-4ac3-b72c-6d60c898e689)
By R. G. B. Pickering, H. H. Haase
CONTRIBUTION BY D. O'CONNOR Mechanical extraction of rock has been a goal sought after for some decades in the South African gold-mining industry. There are factors distinct from the mode of
Jan 1, 1992
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Limiting the Influence of Extreme Grades in Ordinary Kriged Estimates
"The management of outlier grades in positively skewed gold distributions is a contentious issue. Incorporating outliers in standard ordinary kriging (OK) estimation procedures in a way that honours t
Apr 1, 2019
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Enhanced gold recovery and reduced cyanide wastage via integrated cyanide analyser and model predictive controller, W.J. Shipman, D.T. Jordan, L.C. Coetzee, G. Kalenga, and T. Mahlangu
By D. T. Jordan, L. C. Coetzee, G. Kalenga, T. Mahlangu, W. J. Shipman
Although online free cyanide analysers are widely available and used in gold leaching operations worldwide, reliable automated free cyanide concentration control is not consistently achieved in many o
Jan 1, 2020
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Process fault detection using basic singular spectrum analysis and Kernel Density Estimation, S. Krishnannair
By S. Krishnannair
Singular Spectrum Analysis (SSA) is an effective data-adaptive multimodal tool for monitoring chemical processes. However, monitoring multiscale signals using principal component analysis obtained fro
Jan 1, 2020
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Deep Level Mining And The Role Of R&D (SEPTEMBER/OCTOBER 1996)
By R. G. B. Pickering
The Faculty of Engineering at the University of the Witwatersrand and the Mining Technology Division of the CSIR have co-operated to define the problems associated with deep level mining and in this p
Jan 1, 1996
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Monitoring of air recovery for froth flotation optimisation on an industrial circuit, D.N.C. Phillpotts, B. Whitehead, and S. Ramatsoma
By S. Ramatsoma, D. N. C. Phillpotts, B. Whitehead
Changes in flotation performance have been correlated to changes in froth structure, velocity and stability. Literature has shown that when the aeration rate is varied for a specific float cell, the r
Jan 1, 2020
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Computer Control of the Semi-autogenous Grinding Mill at Benguet Corporation's Kaline Concentrator, Zambales, Philippines
By E. M. Sacris
The semi-autogenous grinding mill is the bottleneck whenever treating hard and finely fragmented ore at Benguet Corporation's Kaline Concentrator. Low milling rates result from very high and fluc
Jan 1, 1987
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Discussion
Dr C. M. van Staden (Fellow): Mr President, ladies and gentlemen, thank you very much for this opportunity to contribute to the paper by Dr Stander, and Messrs Henzen and Funke. First of all, my co
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Deep Level Mining And The Role Of R&D
By R. G. B. Pickering
The Faculty of Engineering at the University of the Witwatersrand and the Mining Technology Division of the CSIR have co-operated to define the problems associated with deep level mining and in this p
Jan 1, 1996
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Diamond Exploration and Mining in Southern Africa: Some Thoughts on Past, Current, and Possible Future Trends
By W. F. McKechnie
"Southern Africa is generally thought to be well explored, with only limited potential for major new diamond discoveries. However, Chiadzwa in Zimbabwe and reports of a significant new kimberlite find
Feb 1, 2019
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Sensor-based sorting in underground, narrow-reef mining operations: an assessment of key economic drivers, V. Ross and C. Bergmann
By C. Bergmann, V. Ross
The concept of underground ore processing, in which valuable ore and waste are separated at a coarse particle size to improve the economics of operations and minimise the environmental impact, seems a
Jan 1, 2020
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Technology and growth in the South African mining industry: An assessment of critical
By V. W. Lumadi, S. Nyasha
The mining industry has yet to fully accept and embrace the strategic role of technology and innovation in successful business planning and execution. In this study, we empirically determine the facto
Apr 14, 2024