New computer technologies and the future of mining at Highland Valley Copper

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Mots clés : Coal Mining;Computer applications;Global Position Systems (GPS);Geographical information systems (GIS);Highland Valley Copper
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Texte
Sommaire: Two practical methods for correlating two or more diamond-drill core intersections, using a stereographic projection software are presented. The first may be used to establish if two or more
vein intersections are correlative, based on their core angles and diamond-drillhole attitudes. The
second method allows prediction of main vein attitudes from numerous intersections, based on a spherical density contouring projection. The methods are suitable for: (1) correlating veins in complex...
Publication: CIM Bulletin
Auteur(s): Damien Gaboury
Mots clés: Geology, Diamond-drill core intersections, Complex vein-type orebodies.
Numéro: 1008
Volume: 90
Année: 1997
Texte
Sommaire: In this study, the vapour phase reduction of titanium tetrachloride conforms to the traditional
Kroll chemistry, but employs argon as an inert carrier gas and requires a higher reaction temperature of 1150°C to 1250°C. A vapour phase reaction is advantageous because titanium is the only condensed phase present, and the metal can be collected free of magnesium or magnesium chloride, in marked contrast to the titanium sponge produced by the conventional Kroll process. The yield of metallic...
Publication: CIM Bulletin
Auteur(s): D.G. Tisdale
Mots clés: Metallurgy, Titanium.
Numéro: 1008
Volume: 90
Année: 1997
Texte
Sommaire: This two-part paper summarizes the design and implementation of a distributed PIbased control strategy installed at the B grinding circuit, at the Kidd Creek Division of Falconbridge Ltd. Part I details the design of the control strategy using a grinding circuit dynamic simulator (DYNAFRAG). The first step consisted of sampling campaigns and data processing to calibrate DYNAFRAG. Then, several control alternatives were designed and tested with the simulator. The main feature of these...
Publication: CIM Bulletin
Auteur(s): F. Flament, A. Desbiens, R. del Villar
Mots clés: Mineral Processing, Grinding plants, DYNAFRAG.
Numéro: 1008
Volume: 90
Année: 1997
Texte
Sommaire: During the summer of 1994, a new PIDbased control strategy was installed on line B of the grinding circuit at the Kidd Creek Division of Falconbridge Ltd. Part I of this paper described the methodology used to select the appropriate control strategy using a phenomenological dynamic simulator. Part II presents the implementation of the control strategy. Prior to the controller installation, it was necessary to solve various problems related to the process, such as a cyclic behaviour of the rod...
Publication: CIM Bulletin
Auteur(s): A. Desbiens, F. Flament, A. Pomerleau
Mots clés: Mineral processing, Grinding circuits.
Numéro: 1008
Volume: 90
Année: 1997
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