Chameleons in northern Canada

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Publication: CIM Bulletin
Auteur(s): J.M. Goris, F. Duan, J. Pfarr
Mots clés: Rock mechanics, Cable bolting.
Numéro: 947
Volume: 84
Année: 1991
Texte
Sommaire: The important volume end use sectors for the rare earth elements and yttrium continue to be in steelmaking, petroleum cracking catalysts and glass polishing. The market sectors which may provide future high volume demand, to replace the older sectors where demand has declined over the past decade, include magnets, automobile catalysts, ceramics and superconductors. Increases in production capacity in all major rare earth producing countries are expected to restrain large price increases for...
Publication: CIM Bulletin
Auteur(s): Jane Spooner, Kenneth A. Grace, Nicola Robjohns
Mots clés: Rare earth elements, Mineral economics.
Numéro: 947
Volume: 84
Année: 1991
Texte
Sommaire: A systematic survey of the appropriate literature in terms of phase equilibria and possible reactions involving deposits in Municipal Solid Waste (MSW) incinerators are analyzed particularly with respect to the theoretical first melting points of typical ashes and the possible presence of a liquid phase at the temperature of ash-metal interface. Conclusions are drawn on the basis of the possible presence or absence of various metal chlorides and sulphates in such situations, and their effects...
Publication: CIM Bulletin
Auteur(s): D. Barham, H.N. Tran
Mots clés: Metallurgy, Corrosion.
Numéro: 947
Volume: 84
Année: 1991
Texte
Sommaire: In numerous meetings, conferences and discussions over the past year, the Conference Board of Canada has been impressed with the efforts of Canadian organizations to improve their competitive position. The attempt should be made to try to pull together and synthesize what has been heard. The topic of this paper, however, is even more daunting. The task is not only to analyze and discuss what is happening now, but also to look into the future—to the year 2000.
The future seems to have an...
Publication: CIM Bulletin
Auteur(s): M.J. Daniel
Numéro: 947
Volume: 84
Année: 1991
Texte
Sommaire: An exploration program seeking kimberlite pipes, the common primary hosts for diamonds, was conducted during the years 1979 through 1982 in the James Bay Lowlands of Ontario by Selco Mining Corporation (now the Mining Division ofBP Resources Canada) andEsso Minerals Canada. The area to be explored was selected on the basis of its regional geological setting, and because of the known presence of kimberlite indicator minerals in the region. The primary exploration technique was low level...
Publication: CIM Bulletin
Auteur(s): L.E. Reed, I.G.L. Sinclair
Mots clés: Exploration, James Bay Lowlands, Magnetic surveying, Kimberlite, Geophysics, Geochemistry
Numéro: 947
Volume: 84
Année: 1991
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