Vanadium-bearing magnetite and ilmenite mineralization and beneficiation from the Sinarsuk V-Ti project, West Greenland

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Mots clés : Beneficiation;Magnetite;Ilmenite;Vanadium;Process mineralogy;West Greenland
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Texte
Sommaire: Comparable transaction analysis is the best known of the market approaches to valuation of exploration-stage mineral properties. The analysis of option and farm-in agreements can also provide useful guidance to valuators. While such approaches can be distorted by incomplete analysis, market-based methods are capable of providing consistent, credible results when carried out carefully with due consideration paid to all factors which buyers and sellers consider when dealing in the real market.
Publication: CIM Bulletin
Auteur(s): R.D. Lawrence
Mots clés: Valuation, Mineral properties, Market approach
Numéro: 1060
Volume: 95
Année: 2002
Texte
Sommaire: In salt and potash mines, the time-dependent deformation mechanism should be clearly understood based on in situ measurements to predict the performance of a mining design. In this study, in situ deformation measurements from the Waste Isolation Pilot Plant (WIPP) and other salt and potash mines were used to determine the transition time from the primary to the secondary creep stage and to investigate the influence of adjacent excavations such as a nearby tunnel excavation, panel excavation...
Publication: CIM Bulletin
Auteur(s): S. Kwon, J.W. Wilson
Mots clés: Underground mining, In situ measurements, Potash, Deformation, Excavation
Numéro: 1060
Volume: 95
Année: 2002
Texte
Sommaire: A simple method is presented whereby the additional quantity and static pressure necessary to compensate for ventilation duct leakage may be estimated using the circular reference functions of modern spreadsheets. Favourable comparisons have been made to the National Coal Board (United Kingdom) design charts and to a case study analysis.
Publication: CIM Bulletin
Auteur(s): G. Auld
Mots clés: Ventilation system, Leakage, Estimation, Air, Pressure
Numéro: 1060
Volume: 95
Année: 2002
Texte
Sommaire: In 1994, Gold Mines of Australia acquired the rights to the historic Mt. Lyell copper mine, and commenced a feasibility study into expanding production. The ore was shown in laboratory tests to be amenable to single-stage, fully autogenous grinding (FAG) of underground primary crushed ore, and this route offered the maximum cost savings. Flotation performance was expected to be enhanced. However, batch flotation tests done on pilot-scale autogenously ground ore showed an unexplainable...
Publication: CIM Bulletin
Auteur(s): N.C. Clarke, K.J. Henley, T. Wu, M. le Page
Mots clés: Autogenous grinding, Copper, Mineralogy, Flotation, Ore
Numéro: 1060
Volume: 95
Année: 2002
Texte
Sommaire: Acid mine drainage (AMD) is one of the most significant environmental challenges facing the mining industry worldwide. It occurs as a result of natural oxidation of sulphide minerals contained in mining wastes at operating and closed/decommissioned mine sites. AMD may adversely impact the surface water and groundwater quality and land use due to its typical low pH, high acidity and elevated concentrations of metals and sulphate content. Once it develops at a mine, its control can be difficult...
Publication: CIM Bulletin
Auteur(s): N. Kuyucak
Mots clés: Acid mine drainage, Prevention, Tailings, Environment, Waste, Sulphides
Numéro: 1060
Volume: 95
Année: 2002
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