A sensitivity analysis of search distance and number of samples in indicator kriging

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Mots clés : Geostatistics
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Publication: CIM Bulletin
Auteur(s): William H. McCracken, William G. Holroyd
Mots clés: Industrial minerals, Refractory raw materials, Bauxite, Magnesite.
Numéro: 948
Volume: 84
Année: 1991
Texte
Publication: CIM Bulletin
Auteur(s): J.H. Archibald
Mots clés: Cribbing technique, Rock mechanics, Backfilling.
Numéro: 948
Volume: 84
Année: 1991
Texte
Publication: CIM Bulletin
Auteur(s): Charles A. Schacht
Numéro: 948
Volume: 84
Année: 1991
Texte
Sommaire: The Noranda Continuous Smelting Process at the Home smelter was commissioned in March 1973. The ability of the process to handle a wide variety of feed materials and a steady stream of technical innovations in recent decades has served to maintain the Home as an efficient and versatile custom smelter.
This paper reviews recent technological development and capabilities in areas such as sampling and preparation of secondary and complex materials, as well as the smelting and related environment...
Publication: CIM Bulletin
Auteur(s): M. Bedard, M. Chapados, G. Kachaniwsky
Mots clés: Pyrometallurgy, Materials handling, Home smelter, Technological development.
Numéro: 948
Volume: 84
Année: 1991
Texte
Sommaire: Researchers at the U.S. Bureau of Mines are conducting research on cable-type ground supports to assess their material and support properties and to provide design criteria for implementing cable supports as a workable roof control system under various underground mining conditions. Much of this work involves laboratory assessment of the material and support properties of cable supports using both conventional and birdcage steel cables. Included in this assessment are single and double...
Publication: CIM Bulletin
Auteur(s): J.M. Goris
Mots clés: Rock mechanics, Cable support systems.
Numéro: 948
Volume: 84
Année: 1991
Texte
Sommaire: The southern Abitibi Belt is the major source of gold in Quebec. Although the northern part of the belt is quickly being developed, the area under study will not be downgraded in the near future because it still contains more than 75% of the known reserves in the belt.
Gold is found in a variety of geological environments which are part of a small number of distinct structural patterns. For the exploration geologist, outlining such patterns might be easier and more productive than defining,...
Publication: CIM Bulletin
Auteur(s): Pierre O'Dowd
Mots clés: Geological statistics, Abitibi belt, Gold exploration, Gold bearing environments.
Numéro: 948
Volume: 84
Année: 1991
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