The transition of mining methods at Anderson Lake Mine

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Mots clés : Underground mining;Mining methods;Production costs;Anderson Lake Mine;Cut-and-fill;Longhole sloping;Vertical crater retreat
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Publication: CIM Bulletin
Auteur(s): P.P. YUNGWIRTH
Mots clés: Underground mining, Trout Lake Mine, Cut-and-fill mining, Production costs, Equipment.
Numéro: 909
Volume: 81
Année: 1988
Texte
Sommaire: This paper reports on a CANMET-funded examination of less conventional underground coal mining methods. These methods are documented and those that show the most promise for application to western Canadian conditions are discussed in detail.
Publication: CIM Bulletin
Auteur(s): IAN R. MUIRHEAD, RICHARD J. KOLADA
Mots clés: Underground mining, Coal mining, Mining methods, Technology development.
Numéro: 909
Volume: 81
Année: 1988
Texte
Sommaire: The development of uppers drilling at Brunswick Mining is reviewed. This paper describes design criteria for drilling patterns and the research required for selection of a suitable drill jumbo. The success of the uppers drilling program based on operating procedures is highlighted.
Publication: CIM Bulletin
Auteur(s): R.W. BAKER
Mots clés: Underground mining, Drilling, Stoping, Brunswick Mining and Smelting Corporation Ltd.
Numéro: 909
Volume: 81
Année: 1988
Texte
Sommaire: This paper describes the development of an automated, 70-ton capacity, underground electric trolley truck at Inco Ltd. The purpose of the project is to provide a high capacity and high productivity haulage system to suit continuous loader applications in existing mining horizons where conveyor belt application is not immediately practical.
Publication: CIM Bulletin
Auteur(s): LC. KITCHENER, K. VOLLENWYDER
Mots clés: Underground mining, Equipment, Trolley truck, Haulage systems, Electric vehicles, Hydrostatic drive systems, Control systems.
Numéro: 909
Volume: 81
Année: 1988
Texte
Sommaire: Numerous processes for the treatment of thiosalts in base metal milling effluents have been examined in the past decade. How-sheets for thirteen processes are outlined, and cost estimates are presented for a base case of a 720 ntf/h effluent flow containing 1400 mg/L thiosalts. The processes are ranked on the basis of capital and operating costs and chance of technical success. All costs are very high and none of the methods has yet been proven to be consistently effective for large-scale...
Publication: CIM Bulletin
Auteur(s): M. WASSERLAUF, A.A. CONDY, K.G. WHEELAND, J.E. DUTRIZAC
Mots clés: Hydrometallurgy, Thiosalts, Milling effluents, Thiosalt treatment processes, Oxidation, Costs.
Numéro: 909
Volume: 81
Année: 1988
Texte
Sommaire: In an effort to increase productivity, the use of fly ash as a binder for consolidated backfill was studied. From laboratory and underground tests for its cementitious properties and environmental effects, it was found that a portion of Portland cement could be replaced by the same amount of type "C" fly ash to produce an acceptable consolidated rockfill product for use at Kidd Creek.
The environmental concerns in terms of dust control and emanation of radon gas were unfounded from...
Publication: CIM Bulletin
Auteur(s): T.R. YU, D.B. COUNTER
Mots clés: Underground mining, Fly ash, Kidd Creek Mines Ltd., Binders, Portland cement, Slopes, Backfill, Residuals, Cementing compounds, Coal residues, Radon gas.
Numéro: 909
Volume: 81
Année: 1988
Texte
Sommaire: The Pine Creek gold mineralization is associated with saddle reefs andquartz and'quartz sulphideveining within theEnterprise Anticline. The anticlinal structure is complex and the mineralization was considered prior to development to be dominantly strata controlled. Gold grades vary up to 160 g in 1.5 m core samples with coefficients of variation in excess of three.The estimation of ore reserves for such a deposit must account for both the geological complexity and the extreme variability of...
Publication: CIM Bulletin
Auteur(s): NEIL SCHOFIELD
Mots clés: Geology, Ore reserve estimation, Gold mineralization, Mineral deposits, Structural analysis, Variogram analysis.
Numéro: 909
Volume: 81
Année: 1988
Texte
Sommaire: The estimation of recoverable ore reserves for feasibility in precious metal deposits such as Pine Creek must account not only for the extreme variability of the ore grade but also for the complexity of the geology. Compatible models for both must be adopted. Further, very selective mining demands reserve estimates be based on small selection units whose individual grades cannot be estimated reliably from the exploration drilling data.
Multigaussian kriging is one method based on a multivaria...
Publication: CIM Bulletin
Auteur(s): NEIL SCHOFIELD
Mots clés: Ore reserve estimation, Geology, Kriging, Multigaussian model.
Numéro: 909
Volume: 81
Année: 1988
Texte
Sommaire: La Mine Doyon is a gold mining operation located in northwestern Quebec, approximately 35 km east of Rouyn-Noranda and 85 km west of Val d'Or. The mine is jointly owned by Lac Minerals Ltd. and Cambior Inc. with Lac Minerals as the manager. Production statistics as of February 1987 are 6.4 million tonnes milled at an average grade of 5.8 g/t Au. Current reserves of 9.9 million tonnes at 5.7 g/t Au to a depth of 400 m have been outlined. Indicated reserves below this horizon could considerably...
Publication: CIM Bulletin
Auteur(s): G.H. HOPE, A.R. MAYCOCK
Mots clés: Metallurgy, La Mine Doyon, Gold mining, Milling, Recovery, Ore reserves, Crushing, Grinding, Semi-autogenous grinding.
Numéro: 909
Volume: 81
Année: 1988
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