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A new method for the rapid float-sink analysis of coal fines
By M. C. Harris
Float-sink analysis has wide application in the coal laboratory. This paper evaluates the established methods used for the float-sink analysis of fine coal, and then describes a new method and apparat
Jan 1, 1986
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SPOTLIGHT on Rockface
One of the largest and most exciting cast murals in the world has been erected in Johannesburg, forming the focal point of the large atrium in the new headquarters complex for Johannesburg Consolidate
Jan 1, 1986
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SPOTLIGHT on the Phoenix Programme
By M. G. Demmer
South Africa ranks among the top three mineral producing countries in the world, and yet the country's teaching and student population have a very limited knowledge of the mining and metallurgica
Jan 1, 1986
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Response of mine hoisting cables to longitudinal shock loads
By R. R. Mankowski, F. J. Cox
Experimental results are presented on the longitudinal atenuation of a kinetic shock wave traveling along a typical mine hoisting cable. Mathematical curve-fiting of the results established these loss
Jan 1, 1986
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SPOTLIGHT on the SAIMM banquet
A very successful banquet was held in the Ballroom of the Carlton Hotel on 7th March, 1986. The Institute thanks the Organizing Committee and the sponsors (listed on this page), without whose generous
Jan 1, 1986
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The treatment of ultrafine coal, especially by froth flotation
By Z. Zitron, G. J. de Korte, D. W. Horsfall
This paper summarizes work carried out on the treatment of fine coal, nominally classified as minus 0,5 mm (wedge-wire screen), which is removed from the raw coal prior to the treatment of the plus 0,
Jan 1, 1986
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SPOTLIGHT on drilling and blasting in surface mines
By A. N. Brown
Rock breakage by drilling and blasting is fundamental to every hard-rock mining operation. The subject was an apt choice for a mining school because many technological changes have taken place since t
Jan 1, 1986
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SPOTLIGHT on the 13th CMMI Congress
By H. E. James
The 13th Congress of the Council of Mining and Metallurgical Institutions (CMMI) was held in Singapore from 11th to 16th May, 1986. Tours to Australia, Malaysia, Thailand, South Korea, and Japan took
Jan 1, 1986
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KOLLIG op Ingenieursimposium
By Deur T. A. M. Saayman
Die sesde jaarlikse Ingenieursimposium is in September by YSKOR, Vanderbijlpark gehou. Rierdie simposium, wat deur Ingenieurs-in-Opleiding georganiseer word, bied aan die Ingenieurs-in-Opleiding die g
Jan 1, 1986
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SPOTLIGHT on Zincor
By C. G. Hutson
The Zinc Corporation of South Africa (Zincor) were hosts to about forty members of the Institute at their works in Springs on Friday, 25th April, 1986. The programme, designed to give an overview of t
Jan 1, 1986
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Operational developments during the establishment of Secunda Collieries
By J. T. Collins, C. J. Cloete
Secunda Collieries forms part of Sasol Coal, the coal division of the Sasol Group of companies, and already produces 29 Mt of coal per annum from its four collieries: Twistdraai, Brandspruit, Bosjessp
Jan 1, 1986
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A geostatistical study of diamond-saw sampling versus chip sampling
By E. J. Magri
This paper describes a geostatistical study of the relative merits of diamond-saw sampling and conventional chip sampling, using results from experimental work carried out on Randfontein Estates Gold
Jan 1, 1986
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Environmental planning for a new mine in a sensitive area
By D. J. C. Taylor, R. A. Kruger
Unbridled mining operations can have a serious negative impact on the surroundings. With the recent increased awareness of the need for environmental conservation and the resulting advances in environ
Jan 1, 1986
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Proceedings, Annual General Meeting
The 89th Annual General Meeting of The South African Institute of Mining and Metallurgy was held at Kelvin House, Johannesburg, on 20th August, 1986. Mr. H. E. James (President) was in the chair and d
Jan 1, 1986
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The use of small cooling plants on a mine
By N. Thorp, S. J. Bluhm
It has long been recognized that the provision of an acceptable thermal environment minimizes the danger and the adverse effect of heat stress, which is directly linked to decreased productivity, incr
Jan 1, 1986
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Gold in South Africa
By P. R. Janisch
This paper reviews the sources, production, and technology of gold in South Africa. First of al it details the geographical distribution of gold-bearing materials, together with the mineralogy and dis
Jan 1, 1986
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Obituary: R.R. Porter
Robert Rampton Porter died on 8th September, 1985, in Salt Lake City, Utah, at the age of 75. Bob Porter was born in Salt Lake City in 1910, and he attended the University of Utah, where he obtained a
Jan 1, 1986
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Antimony in South Africa
By D. H. C. Griffiths, D. R. Davis, D. B. Paterson
Consolidated Murchison Limited is the only primary producer of antimony in South Africa, producing approximately 18 per cent of the total world production. This paper gives a technical review of the h
Jan 1, 1986
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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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SPOTLIGHT on mining in the vicinity of geological and hazardous structures
By R. W. O. Kersten
The South African Institute of Mining and Metallurgy collaboration with the Chamber of Mines of South Africa, arranged a colloquium to inform mine management of the current state of knowledge on the r
Jan 1, 1986