The use of a geographic information system for open-pit mine development - Technical Note

Abstract Geographic information systems (GIS) provide an efficient means for the recording, manipulation, revision, display and analysis of spatially referenced data. GIS are widely used at the exploration stage of mine development, and are increasingly used for reclamation planning. The ability of a GIS to perform spatial searches and query spatially referenced data make it a powerful tool for use at all stages of mine development. As the amount of data available for analysis increases, so does the power and flexibility of GIS as a planning tool. Starting from the exploration database, this paper describes how a GIS can be used for the development of mining plans based on topography, geology and mineralization information stored in a relational database. Planning decisions approaching the optimal can then be made for a wide range of parameters, including stockpile and waste dump locations, the location of potentially acid generating and neutralizing material for dump design, profitable and risk-controlled mine extraction sequencing, and haul road locations. This is made possible by the overlay and buffer analysis capabilities of a GIS which are explored and exploited to produce a continuous mine production planning program, as well as site remediation and reclamation using a successful case study.
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Summary: This paper describes the use of dynamic scheduling and discrete event control to provide coordinated control of multiple automated vehicles. This work has been carried out within ongoing research into multi-robot coordination developed around the underground mining scenario. Demonstrations using scaled laboratory models of underground mines illustrate the potential for this technology for full-scale implementation for mine-wide automation.
Publication: CIM Bulletin
Author(s): J. King, R. Gosine, B. Delaney, T. Norvell, S. O'Young
Issue: 1069
Volume: 96
Year: 2003
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Summary: Aging effect on the wear resistance of alumina particulate-reinforced 6061 aluminum matrix composites with a block-on-ring wear tester has been investigated. Specimens with various Al2O3 volume fractions of 0%, 10% and 20% were employed in this work. Experimental results indicated that over-aged monolithic 6061 Al had the best wear resistance, as compared with under-aged and peak-aged conditions. For the composite containing 10% Al2O3, over-aging and peak-aging resulted in similar wear...
Publication: CIM Bulletin
Author(s): C.-K. Fang
Keywords: MMC, Wear, Aging.
Issue: 1069
Volume: 96
Year: 2003
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Summary: The traditional metallurgical scale-up techniques for flotation plants are based on lumped flotation rate constants, dimensionless hydrodynamic numbers and the use of safety factors. Once the plant has been designed, the flotation principles that govern scale-up play almost no role in the optimization of the circuit to meet its metallurgical targets. This deficiency can potentially lead to a plant design incapable of meeting its targets, especially when circuits incorporate large flotation...
Publication: CIM Bulletin
Author(s): B.K. Gorain, A.W. Stradling
Keywords: Flotation, Modelling, Plant design, Circuit optimization, Bubble surface area flux.
Issue: 1069
Volume: 96
Year: 2003
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Summary: The competitive pressure, the increasing energy costs and the environmental regulations impose substantial challenges to the definition of power plants serving industrial facilities. Primary mining and metallurgical facilities have even greater challenges because they are often located remotely, where the fuel supply can be a problem. The absence of a power grid imposes challenges on the reliability and quality of the electrical energy supply. In addition, the facilities usually require...
Publication: CIM Bulletin
Author(s): D. Berkley
Keywords: Cogeneration, Remote location, Feasibility, Reliability, Energy supply, Turbines.
Issue: 1069
Volume: 96
Year: 2003
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Summary: The mechanization of mining operations in underground coal mines has led to faster cutting rates of coalfaces with increased levels of emission of gaseous and particulate contaminants in the workings. Consequently, the fresh air streams from the main ventilation systems reaching distant workings are often insufficient, ineffective or inadequate and have to be supplemented by auxiliary ventilation systems to create and maintain the required working environments underground. The efficiencies of...
Publication: CIM Bulletin
Author(s): R.S. Suglo, S. Frimpong, I.R. Muirhead
Keywords: Mechanization, Auxiliary ventilation systems, Underground mining, System drivers, Monitoring.
Issue: 1069
Volume: 96
Year: 2003
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