Continuous improvement with the use of benchmarking

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Mots clés : Benchmarking;Human Resources
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Publication: CIM Bulletin
Auteur(s): L.D. Smith
Mots clés: Mineral economics, Economic evaluations.
Numéro: 983
Volume: 87
Année: 1994
Texte
Publication: CIM Bulletin
Auteur(s): Wouter Bleeker, Isabelle Cadieux
Numéro: 983
Volume: 87
Année: 1994
Texte
Sommaire: The Cominco smeller in Trail, British Columbia, is a large integrated lead-zinc production facility. In the plant description, emphasis is given to the pyrometallurgical operations including zinc concentrate roasting, lead sinter-blast furnace processing and silver refining. Production figures for the main metal products - zinc, lead, silver and gold - are provided.
Publication: CIM Bulletin
Auteur(s): G.W. Toop
Mots clés: Metallurgy, Pyrometallurgy, Smelters, Cominco.
Numéro: 983
Volume: 87
Année: 1994
Texte
Sommaire: For the assessment of any new mining project it is essential to determine a realistic value of revenue from the sale of concentrates. A description of the market factors influencing the concentrate terms will be presented along with a detailed review nf historical terms of a smelter contract for zinc concentrates.
Publication: CIM Bulletin
Auteur(s): H.M. Hamilton, E.M. Yates
Mots clés: Mineral economics, Market forecasting, Zinc metal market, Smelter contracts.
Numéro: 983
Volume: 87
Année: 1994
Texte
Sommaire: The nature and distribution of the inorganic components and the concentration of certain environmentally sensitive elements, such as, As, Sb, B, Hr, Cd, CI, F, Mo, Pb, S, and Se, or elements detrimental to the utilization by industry such as B, Na, P and S are very important in determining coal quality. The concentration of elements in coal is controlled by the following factors: (1) frequency of occurrence of partings; (2) nature and habit of occurrence of minerals in coal; (3) environment...
Publication: CIM Bulletin
Auteur(s): F. Goodarzi
Mots clés: Coal mining, Environmental control.
Numéro: 983
Volume: 87
Année: 1994
Texte
Sommaire: Blast fragmentation is affected by the physical and mechanical characteristics of the rockmass as determined by geology as well as the explosive energy, the partition of this energy, the actual amount of energy transmitted to the rockmass, the blast geometry and the detonation sequence. This paper reviews studies of the influence of geology on blast fragmentation, particularly structure, i.e. the in situ or inherent fragmentation arising from rock discontinuities. Prior structural studies...
Publication: CIM Bulletin
Auteur(s): Yves C. Lizotte, Malcolm J. Scobie
Mots clés: Blast fragmentation, Fragmentation, Geological controls.
Numéro: 983
Volume: 87
Année: 1994
Texte
Sommaire: With some justification, people have long complained about the indefinition of ore reserves. Perhaps they were led to expect too much; from former and easier definition practices in the once common underground mines with exposed and available assets, where the obsolete term 'ore in sight' was at least partly literal. But such mines have become rarer, and their underground development less affordable. For most projects, valuations and its definitions have thus been advanced from actual to...
Publication: CIM Bulletin
Auteur(s): Hugh K. Taylor
Mots clés: Ore reserves, Mining economics, Estimation, Ore reserve definition.
Numéro: 983
Volume: 87
Année: 1994
Texte
Sommaire: Canada has a per capita GDP second only to Japan among the G7 countries and a positive trade balance which ranks third among the world's major economies. International trade represents a very large part of the national economy and as a proportion of GDP is larger than that of all the other G7 countries with the exception of Germany. On the negative side the Canadian current account deficit relative to the size of the economy is significantly worse than that of all major industrial countries,...
Publication: CIM Bulletin
Auteur(s): R.A. Horn, S.M. Telfer
Mots clés: Canada trade balance, Tade balance, Environmental concerns, Mineral economics, Mineral exploration, Mining in Canada.
Numéro: 983
Volume: 87
Année: 1994
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