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  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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