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Ignition prevention
By J. S. WARWICK, E. J. Browning
Ignitions continue to occur underground, sometimes leading to major explosions. There has been considerable effort in the UK, and more widely in the European Community, to formulate the best ventilati
Jan 1, 1993
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Q&A with Dr Chris O'Connor and Andrew Duncan from DNV GL Oil & Gas
By R. G. Jones
Many novel projects suffer delays, cost overruns or failure because of inadequately qualified technologies. A new qualification to measure the quality of innovation is discussed.
Jul 1, 2015
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Mossbauer effect study of reduction of ilmenite
By R. Immele-Meziou, G. J. Long, D. G. C. Robertson, O. A. Pringle
The reduction of naturally weathered ilmenite concentrate occurs in two steps: reduction of Fe3+ to Fe2+, followed by reduction of Fe2+ to Fe. Small amounts of a magnetic phase were also observed and
Jan 4, 1992
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Types of rock encountered in mining on the Witwatersrand and their mineral constitution
By R. J. Bridges
Mining operations on the Witwatersrand are conducted for the most part in rocks of highly quartzitic character. They comprise the following types: Conglomerates, grits, and quartzites, to which on the
Jan 1, 1947
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Tunnelling in a changing world
By C. J. Kirkland
25th Julius Wernher memorial lecture given at Tunnelling '91, sixth international tunnelling symposium held in London, 14-18 April 1991. The title gives the lecturer a chance to share some of the less
Jun 13, 1905
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Mining education in the European Community
By C. T. Shaw
Fur a secure mineral supply position to be maintained in the Fiuropean Community there must be a supply of qualified people in the minerals industries. The education of the people required to run and
Jan 1, 1993
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The airport core programme (Hong Kong)
By M J. Thomson, P T. Burgin
The economic growth of Hong Kong and adjacent territories in Southern China is, to a considerable extent, dependant on air transportation, but the present Kai Tak Airport is incapable of expansion to
Jan 7, 1997
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Presidential address (df96d270-8aad-4124-8984-c683b36c8314)
By E R. Hassall
Discussiong the importance of minerals and mining, impacts on the environment and remediation, and the need to foster interest in science among young people.
Jan 8, 1997
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Strata control - a new science for an old problem
By R. G. Siddall, W. Gale
In the UK the development of the science of strata control has been strengthened by a resurgence of interest in the specialism of roofbolting and its associated techniques. The evolution of the theor
Jan 4, 1992
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Computers and blasting
By T. J. White, R. A. Farnfield
Early computerised blast monitoring equipment consisted of a digital version of the existing analogue machines with, perhaps, a few enhancements. Many additional facilities have since been developed t
Jan 4, 1993
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High-speed air-compressors for mining work, paper presented at a general meeting of the North Staffordshire Institute of Mining and Mechanical Engineers held in Stoke-on-Trent, 17 January 2016
By Walshe J. M.
The slow-speed compressor is giving place to the high-speed type, with its greater economy of material and space; and, where very large units are required, the turbo-compressor is supplying the need.
Dec 1, 1916
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Extraction of nickel from Indian low-grade siliceous ore
By Z. H. Khan, A. K. Saha, D. D. Akerkar
The possibility of extracting nickel from a low-iron, highly siliceous nickel ore of Indian origin using roast reduction followed by an ammonia leaching process has been examined. The ore used in the
Jan 4, 1992
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The Prevention of Spontaneous Combustion in the North Yorkshire Area
By J. Coxon, G. W. Walker
The paper describes the discovery, location and events concerning three types of heating which have occurred in recent years: a) in a district being salvaged, b) in the shaft pillar at an air-crossing
May 23, 1905
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Cu-Ni-PGE mineralization in the marginal series of the Early Proterozoic Koillismaa layered igneous complex, northeast Finland
By T. Piirainen, T. Alapieti
"The Koillismaa layered igneous complex is the result of igneous activity that occurred 2436±5 m.y. ago. Its crystallization took place in three separate but connected magma chambers, the total volum
Jan 1, 1984
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Computerized mine planning for medium-size open-pits
By G. H. Blackwell
Sequences in open pit mining must be planned and regularly revised to incorporate changes in the variables which affect profitability. Interactive computer planning with colour graphic facilities is a
Jan 8, 1993
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Pit-timber and its preservation.
By Groom P.
The wastage of timber in coal-mines that is caused by decay is very great; in fact, far greater in this country than is generally realized. Mr. E. W. Peters estimates that of the whole wastage of timb
Dec 1, 1916
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Broken Hill area, Australia, as a Proterozoic fold-and-thrust belt: implications for the Broken Hill base-metal deposit: discussion and authors' reply
By A. L. W. Lips, B. P. J. Stevens, T. J. R. Bareley, E. Rothery, S. H. White
B.P.J. Stevens contributes a further response to the authors' earlier lengthy reply regarding their paper published in Trans.IMM B, vol.104, 1995, p.B1-B17, contending that despite the positive contri
Jun 19, 1905
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Spotlight on Exchem, EPC Group
By NA NA
Background information on Exchem Mining and Construction and its products.
Jan 7, 1997
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The Physical Chemistry of Copper Smelting
By Ruddle R. W.
An outline account is given of the smelting of copper and the chemistry of the process. A table provides compositions of the more important minerals from which copper is won by smelting. Roasting is d
Jan 1, 1953
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Extraction of copper from dry Salobo (Brazil) chalcopyrite concentrate and aqueous slurries thereof by chlorination with Cl2 gas
By E. A. Brocchi, P. K. Jena
Complete extraction of copper from Salobo chalcopyrite concentrate can be achieved in less than 10 minutes by chlorination of the dry concentrate with Cl2 at 450 degrees C and in 5 minutes by chlorina
Jan 4, 1992