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  • CIM
    Drum Hoists ? Case Study

    By Gordon F. Scott

    This paper considers a recently completed hoist project for IAMGOLD. Called the Westwood project, this mine utilises some of the largest drum hoists supplied to the North American Market in recent tim

    May 1, 2011

  • CIM
    Corrosion Experiences 1n the Acid Leaching of Cobalt-Nickel Sulphides

    By R. B. McIntosh, S Ramanchuk

    A brief description is given of the process used by Sherritt Gordon Mines Limited to recover cobalt metal from nickel-cobalt sulphides. A description of the equipment with the operating conditions is

    Jan 1, 1961

  • CIM
    Gypsum Deposits of Southwestern Newfoundland

    By D. M. Baird

    ABSTRACT A revised stratigraphic section of Carboniferous rocks which occupy about 700 square miles in southwestern Newfoundland is presented. Gypsum, which outcrops at thirty-five different localiti

    Jan 1, 1951

  • CIM
    Precious-Metal-Bearing Volcanogenic Massive Sulphide Deposits, Campo Morado, Guerrero, Mexico

    By Robert Cluff

    The Campo Morado precious-metal-bearing, volcanogenic massive sulphide district occurs in a Lower Cretaceous felsic volcanic sequence in a northerly trending belt in the Guerrero Terrane in northeaste

    May 1, 2006

  • CIM
    Effect of Porosity on the Tensile Properties of Die Cast Aluminium A360

    By Gheorghe Marin, Franco Chiesa, David Levasseur, Bernard Duchesne

    Over the past 20 years, pressure die casting has evolved to a point where structural parts can now be produced by this process. This has been made possible by the development of vacuum die casting and

    Jan 1, 2015

  • CIM
    Influence of Different Organic Additives on Zinc Electrowinning from Acidic Sulphate Electrolyte

    By E. Ghali, W. Zhang, G. Gabra, N. Sorour, G. Houlachi

    The additives polyacrylamide, 1-Butyl-3-methylimidazolium chloride, Tetra-butylammonium bromide, Benzalkonium chloride and chitin are evaluated during zinc electrolysis from synthetic acidic sulphate

    Jan 1, 2015

  • CIM
    Dry Slag Granulation: A Path to Improving the Safety and Sustainability of the Metallurgical Sector

    By G. Chahal, L. C. So, S. Faucher, S. Mostaghel, S. -Y. Oh, S. K. Lee

    Slag dumping and water granulation are the most commonly used slag treatment methods in the metallurgical industries. In both processes, water is present (by desire for cooling and dispersion or as a

    Jan 1, 2015

  • CIM
    The Gold-pyrite Association in Witwatersrand Reefs: Evidence for Electrochemical Precipitation of Gold

    By P. Müller, W. J. Przybylowicz, V. M. Prozesky, D. de Bruin

    "Abstract -The common style of gold mineralization in the Basal Reef and other auriferous conglomerates of the Witwatersrand Supergroup comprises clusters of gold grains occurring interstitially to qu

    Jan 1, 1994

  • CIM
    Maboumine Project: A Hydrometallurgical Process for the Recovery of Rare Earth Elements from a Polymetallic Ore Deposit in Gabon

    By Sarah Bélair, Denis Beltrami, Valérie Weigel

    "Mabounié is a polymetallic deposit in Gabon containing niobium (1.2%), tantalum (0.03%), rare earth elements (REE) (1.4%) and uranium (0.03%) that are mostly carried by Pyrochlore minerals. Classical

    Jan 1, 2016

  • CIM
    Mining the Retreat Zone Between Two Converging Pyramids at Noranda?s Bell-Allard Mine

    By Véronique Falmagne

    The mining sequence at Noranda?s Bell-Allard mine calls for two mining fronts retreating toward a central pillar known as the Retreat Zone between pyramids A and C. It is clear from numerical modeling

    May 1, 2003

  • CIM
    Failure Mechanisms of Pillars Under Shear Loading

    By Joseph J. Mgumbwa

    Pillars are any structures left between two or more underground openings. The stability of pillars is normally considered to depend on shape (defined by width to height ratio), rock mass strength, ext

    Oct 1, 2010

  • CIM
    Highwall mining technology— A review of current status and design methods

    By N. R. Thote, J. L. Porathur, C. P. Verma

    Highwall mining is a highly mechanized coal mining method associated with several advantages, such as a very high production rate (approximately 3,000 t/d) and low production costs. There is no requir

    Jan 1, 2014

  • CIM
    Recovery of Gold and Associated Metals from Refractory Ores and Concentrates via a Chloride-Based Processing Route

    By G. B. Harris, C. W. White

    Cyanide has been used for the recovery of gold since the mid 1800s, but several jurisdictions have already banned its use, and environmental pressures are increasing to finding an alternative. Gold al

    Jan 1, 2011

  • CIM
    Experimental and Commercial Magnetic Roasting

    By R. I. Cavanagh, A J. Last

    THE USE of higher grade charges in blast furnaces in the form of sintered or pelletized concentrates has been increasing rapidly. The question of beneficiation of iron ores for this purpose is therefo

    Jan 1, 1961

  • CIM
    The Wide Dissemination of Gold in Northern Ontario

    By H. C. Boydell

    Those connected with mining, prospecting, or mining geology in northern Ontario are familiar with the fact that it is a comparatively unusual thing to have assayed a sample for which the assay report

    Jan 1, 1928

  • CIM
    A Method to Account for Variability in the Geotechnical Design of Longhole Open Stopes

    By Amir Karami, Derek Kinakin, Catherine Schmid

    The Mathews Stability Graph Method (Mathews et al., 1981) has been used by geotechnical engineers and mining engineers for over 40 years to estimate the performance of longhole open stopes in undergro

    Oct 1, 2024

  • CIM
    Improving Construction Environmental Metrics Through Integration of Discrete Event Simulation and Life Cycle Analysis

    By H. Golzarpoor

    Life Cycle Analysis (LCA) is a methodology for evaluating the environmental impacts associated with a product during its life cycle. LCA is identified as the most reliable method for verifying environ

    Aug 1, 2013

  • CIM
    Mine Timber: Its Conservation, Preparation, Storage, and Treatment

    By W. D. Haley

    The report of the Forestry Committee, presented to the recent Imperial Conference at London, is discouraging in its view of the future of timber resources and supplies. From a review of the forestry s

    Jan 1, 1927

  • CIM
    Phases and Phase Relations of the Platinum-Group Elements

    "3.1. IntroductionAmong the six platinum-group elements (POE), four have identical cubic symmetry, two identical hexagonal symmetry (Table 3.1). Despite crystallographic differences, there is a clear

    Jan 1, 1979

  • CIM
    Process Improvements at Placer Dome Campbell Mine

    By K. Norris

    "The Campbell mill has undergone numerous changes over the past 43 years. However the rate of change has increased significantly in the last 4 years. A new grinding circuit, carbon-in- pulp circuit, p

    Jan 1, 1992