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Book Review Sampling in the mineral and metallurgical processing industries. London, Institution of Mining and Metallurgy, 1973. 65 pp. illus. £5. The seven papers presented at a special meeting of the Institution of Mining and Metallurgy held in London in July, 1973, have been brought together under the above title.

Jan 11, 1973

By D. J. Adams, R. G. Gürtunca

CONTRIBUTION BYJ.F. CURTlS The paper, which in an exemplary manner records the monitoring of backfill behaviour, falls short in the 'rock engineering' stated in the title. Just what the objective of the rock engineering was is obscure.

Jan 1, 1992

Gerhardus Paulus Badenhorst passed away on 2nd December, 1989. Badie, as he was known to all, will be missed by his many friends and colleagues, and will be remembered by al who knew him as a warm-hearted person who was totally dedicated to the safety and health of the workers in the mining industry.

Jan 1, 1990

By G. L. C. Young

The first full-scale Reichert cone concentrating plant to be erected at a large South African gold mine was at President Steyn Gold Mining Company, Welkom. ThiR plant was installed as a part of the runof-mine mill extension of 150000 t per month that was commissioned in 1976-1977.

Jan 1, 1982

By W. J. Kotzé

Die derde colloquium van die Spesialiste-afdeling van die SAIMM is op 19 November 1980by die Universiteit van Pretoria gehou en is deur sowat 40 mense bygewoon. Dr J. P. Hugo tree as Voorsitter op en heet al die aanwesiges welkom, en stel elke spreker om die beurt aan die vergadering voor.

Jan 1, 1981

By M. P. Mohring

A School on the Total Utilization of Coal Resources, which was organized by the Technical Programme Commitee of The South African Institute of Mining and Metallurgy in conjunction with the South African Coal Processing Society, was held in the Civic Theatre at Witbank from 30th October to 2nd November, 1989.

Jan 1, 1990

By B. G. Fordyce, W. B. Parker

A description is given of the methods used in management planning, pit-equipment selection and maintenance operator training, and formal organization of mining personnel.

Jan 1, 1979

Tunnel Construction 90. London, Institution of Mining and Metallurgy, 1990. Reviewer: J.A. Cruise This is the published volume of papers presented at the Tunnel Construction 90 Conference, which was held in London in April 1990 under the auspices of The Institute of Mining and Metallurgy. Twenty papers are presented and their titles are listed below.

Jan 1, 1991

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 rockburst hazard associated with geological structures. The Colloquium was held at Mintek on 4th June, 1986, and attracted approximately 240 delegates.

Jan 1, 1986

By C. van Loggerenberg, P. E. Venter

The paper covers a wide range of modifications that are of potential interest to the practical coal-preparation engineer. Unfortunately, the paucity of performance data does not permit one to draw conclusions. The authors do not appear to have a clear understanding of the Tramp (or partition) curve concept.

Jan 1, 1992

By A. N. Brown

Underground rock boring was the topic of the mining vacation school held at the University of the Witwatersrand in the week 4th to 8th February, 1980. The School, which dealt with the management and economics of the subject, attracted 75 delegates from all sectors of the South African mining industry, in addition to two delegates from Germany and one from Zambia.

Jan 1, 1980

COLLOQUIUM AND GENERAL MEETING Developments in gold recovery processes A General Meeting and Metallurgical Colloquium on the above topic were held on Wednesday, 14th March, 1973, at Kelvin House, Johannesburg. Dr J. P. Hugo (President) was in the Chair. The colloquium was attended by 170 delegates, and was opened by the President at 9.15 a.m.

By G. T. G. Emere

The Johannesburg Branch of The South African Institute of Mining and Metallurgy was officially inaugurated at a General Meeting held in Kelvin House on Monday, 18th January, 1988. In addition to nominating committee members, Mr G. T.G. Emere delivered a presentation on the Barbrook gold-mining project, which is currently in the development phase some 40 km east of Barberton.

Jan 1, 1988

By N. Gibson

The application of oxygen in a copper smelter by N. GIBSON* (Visitor) This paper describes how the problem of increasing the capacity of the Rokana copper smelter was handled, and how oxygen was found to be technically and economically the best solution. The first phase of its implementation is outlined.

Jan 3, 1974

The 97th Annual General Meeting of the The South African Institute of Mining and Metallurgy was held in the Gold Room, Transvaal Automobile Club, 60 5th Street, Lower Houghton, Johannesburg on Wednesday, 10th August, 1994. Obituaries The President announced the passing during the year of the following members:

Jan 1, 1994

Cecil John Irving was born on 13th March, 1902. He was educated at King Edward's School in Birmingham, and at the University of Birmingham, where he graduated in B.Sc. Mining Metallurgy in 1922, and in B.Sc. Metal Mining on 7th July, 1923. Johannesburg 1986 The biggest mining exhibition ever held in Africa and several allied international conferences are to be staged in Johannesburg in September of next year.

Jan 1, 1985

COLLOQUIUM ON SHAFT SINKING The 'Star' published a report on the colloquium on 15th November, 1972. As this will be of interest to members, it is re-printed by kind permission of the 'Star'. Mac Thain The super-Mines of the future envisaged by Mr Jeff Goode, president of the Chamber of Mines, in his Gold Symposium address in London, will be entirely different from those producing today - not merely amalgamations of properties into bigger units.

By J. A. Drummond

The duties and efficiencies of a number of main and auxiliary fans were determined by standard and thermal methods. Some observations on the effect of water and dirt accumulation on fan performance were made.

By K. W. Falconer

The Witbank-Middelburg Branch of The South African Institute of Mining and Metallurgy celebrated 100 years of coal mining in the Witbank area with a function held at Douglas Colliery on the 5th December, 1989. Two hundred guests associated with the industry attended the occasion, at which Mr A.A. Sealey, Chairman of Rand Mines, Coal and Base Minerals Division, unveiled a plaque presented to the municipality.

Jan 1, 1990

By H. W. Glen

In the hope of finding out what the readers of the SAIMM Journal want of our Journal, we sent out a questionnaire with the October 1979 issue. The 2500 copies of the questionnaire sent out elicited 228 responses, which represents a return of 8,8 per cent. The number of responses received from overseas was 24, i.e., approximately 10 per cent of the total. The following is an analysis of the responses received.

Jan 1, 1980