Exploration initiatives for Quebec investors

Abstract This article discusses how recent changes in the federal and Quebec income tax laws have contributed to an improved investment climate for mineral exploration in the Province of Quebec. Individual investors who are resident in Quebec and who are in the highest tax bracket (1984-60.4% marginal rate) may obtain tax benefits that result in only nine cents of each invested dollar being at risk.
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Publication: CIM Bulletin
Author(s): P.P. MAHANT
Keywords: Project development, Pilot plant investigations, Roasting furnace, Electric furnace, Smelting, Falconbridge Limited
Issue: 866
Volume: 77
Year: 1984
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Publication: CIM Bulletin
Author(s): A.L McKAGUE, G.E. NORMAN
Keywords: Smelting process, Slurry handling, Feed preparation, Roasting, Converters, Electric furnace, Process control, Falconbridge Limited
Issue: 866
Volume: 77
Year: 1984
Text
Publication: CIM Bulletin
Author(s): G.E. NORMAN, R.E. MICHELUTTI
Keywords: Environmental Control, Sulphur dioxide emissions, Effluent treatment, Smelting process, Sulphuric acid plant
Issue: 866
Volume: 77
Year: 1984
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Summary: Silver occurs in about 200 minerals in variable amounts. Silver ores usually have 5 or 6 and in some instances as many as 10 species of silver minerals. All these minerals may have different flotation and leaching properties and should be correctly identified for successful recoveries. Grain size and host minerals which are critical in gold recovery, are not always as important for silver minerals.
Publication: CIM Bulletin
Author(s): CLAUDIA GASPARRINI
Keywords: Silver, Silver mineralogy, Metal extraction, Metallurgy, Silver-bearing minerals, Silver recovery
Issue: 866
Volume: 77
Year: 1984
Text
Summary: The smelter is described by area; feed preparation, continuous furnace line, gas handling and auxiliary systems, blister refining, Hazelett casting of thin anodes, and scrap remelting. Early smelter campaign data is presented and compared to design. Some modifications to the basic design of the furnaces and gas trains are indicated, with their respective impacts on improving smelter performance.
Plant compactness, the use of jumbo tanks, and a highly automated electrode handling system are...
Publication: CIM Bulletin
Author(s): P.M. SWEETIN, C.J. NEWMAN, D.J. KEMP
Keywords: Plant design, Copper smelter, Copper refinery, Kidd Creek Mines, Metallurgy, Design performance
Issue: 866
Volume: 77
Year: 1984
Text
Summary: La connaissance du niveau de variation de 1'alimentation d'une usine mineralurgique est essentielle pour estimer le taux de recuperation dans un concentrateur. De plus, il est important de connaitre la periode moyenne de correlation afin d'ameliorer la qualite des controles et de l'automatisation. Le modele propose permet de predire ces parametres a partir du mineral en place et des activites d'exploitation dans une operation a ciel ouvert. 11 est base sur la combinaison des variogrammes...
Publication: CIM Bulletin
Author(s): NOEL BILLETTE, JORGEN ELBROND
Keywords: Grade variations, Correlation, Binomial model, Blending, Scheduling, Equipment availability, Open-pit mining operations
Issue: 866
Volume: 77
Year: 1984
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