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  • CIM
    The Use of Radioactive Dynamite as a Safety Measure in Mines

    By G. G. Eichholz

    SUMMARY RADIOACTIVE dynamite has been prepared by introducing a small amount of antimony-124 into the explosive. Test work is described on the effectiveness of this tracer, on radiation levels in its

    Jan 1, 1957

  • CIM
    Practical Operational Aspects of Dense Medium Cyclone Separation

    By Faan Bornman

    "Reeves and Platt1 stated that dense medium separation is one of the most complex unit processes in mineral processing today particularly if cyclones are used. It is also the most efficient gravity co

    Jan 1, 2014

  • CIM
    Numerical Modeling of Mining-Induced Stress and Microseismic Response using FLAC3D

    By Shahé Shnorhokian

    A study was conducted on the seismic activities and associated rockburst events that took place at an underground Canadian metal mine over a period of five years. In the first stage, a back analysis o

    May 1, 2011

  • CIM
    Analytical Solution for a Deep Tunnel Excavated in a Porous Elasto-Plastic Material Considering the Effects of Seepage Forces

    By R. E. Barbosa

    Seepage forces generated during tunnel excavation affect the ground response and may cause severe instability problems, including total ground collapse and flooding into the tunnel. This paper present

    May 1, 2009

  • CIM
    Mining Geology of the Vipond Gold Mine, Porcupine District, Ontario

    By E. Y. Dougherty

    Introduction As practised during the last two years at the Vipond Consolidated gold mine, mining geology has meant the application of geology to the problem of finding, developing, and mining ore. Th

    Jan 1, 1934

  • CIM
    Special Design Considerations for Pressure Hydrometallurgy Pilot Plants (9c5cb7ff-edde-4168-8efe-6c82784b943d)

    "Pilot plants for pressure hydrometallurgy represent special design and project execution challenges. Over the past twenty years, Zeton has designed and fabricated a variety of world-class pressure hy

    Jan 1, 2012

  • CIM
    Relationship of Mineralogy to the Recovery of Platinum-Group Elements from Ores

    "11.1. IntroductionThe recovery of platinum-group elements (POE) from ores is a subject which has received almost no mention in the literature. Edwards (1975) refers to the process used for refining o

    Jan 1, 1979

  • CIM
    Characteristics of Wenchuan Earthquake and its Geological Hazard Effects

    By Yun-Jie Wei

    Seismic areas were in the eastern margin of the Qinghai-Tibet plain, whose structures were complicated, mainly composed of Maowen fault, Yingxiu fault and Pengxian-guanxian fault. The rapid rise of th

    May 1, 2009

  • CIM
    Antiscalants for Calcium Scale Control in Gold Process Circuits

    By Brad Wells, Wayne Bull, Wayne Dickinson

    "Antiscalants were evaluated for control of calcium carbonate (CaCO3) in gold processing applications. Under severely supersaturated conditions, 100 percent inhibition was achieved with 30 ppm antisca

    Jan 1, 2014

  • CIM
    The Impact of Superfreighters and Nova Scotia Deepwater Ports on Bulk Mineral Distribution and Marketing

    By Roger M. Jones

    This paper comments on developments in bulk shipping which will be of direct interest to those who are considering the shipment of dry bulk minerals out of Nova Scotia by water. Various conveying syst

    Jan 1, 1971

  • CIM
    Technical and Economic Lessons from the Last Charcoal-Blast Furnaces in the World

    By R. Luchese de Moraes, J. A. Matthews, C. Feliciano Bruzual

    The role of biomass char in blast furnaces has been re-examined by scientists worldwide, as a feasible option to reduce the carbon intensity of ironmaking. This contribution makes a technical and econ

    Jan 1, 2015

  • CIM
    Properties of Some High Aluminum Zinc Base Die Casting Alloys

    By O. A. Carson

    "IntroductionTHE ZINC-BASE die casting alloys in common usage contain approximately 4 per cent aluminum as the major alloy element. In addition, they contain about 0.05 per cent Mg .and may• have a sm

    Jan 1, 1953

  • CIM
    Project-based Emission Reductions: Offsets

    By Corinne Boone

    CO2e.com, LLC - launched in November 2000 - aims to be ?the global hub for carbon commerce.? CO2e.com is a subsidiary of the Cantor Fitzgerald Group, one of the world?s leading brokerage firms

    Nov 1, 2002

  • CIM
    Development and Application of a Product Model for Shield Tunnels

    By Nobuyoshi Yabuki

    Building Information Modeling is a prevailing methodology in the building industry and half (by length) of the world's shield tunnels are in Japan. Accordingly, for shield tunnels from 2005 to 20

    Aug 1, 2013

  • CIM
    A Novel High Thermal Conductivity Al-Si Casting Alloy and Application

    By G. L. Zhu, Y. F. Wu, H. Nagaumi

    A novel eutectic-type alloy Al12Si-HTC with high thermal conductivity has been developed by strict chemical composition control and heat treatment. The thermal conductivity of the alloy is about 30 %

    Jan 1, 2015

  • CIM
    Design for Safety

    By Philip J. Bangerter, Chris Twigge-Molecey

    Design for safety is critical to metallurgical plants, due to the inherently dangerous nature of their processes. Two significant areas of concern are: 1. preventing catastrophic process failures that

    Jan 1, 2015

  • CIM
    Continuous Improvements of Porcupine Joint Venture (PJV) Dome Mine's Gravity Circuit

    By T. Y. Chong, J. A. Folinsbee, M. Fullam

    PJV Dome Mine has used some form of gravity concentration since start of milling operation in 1909 to recover free milling gold. Amalgamation and conventional jigs were first used and were replaced wi

    Jan 1, 2005

  • CIM
    Noise and Vibration: Mine Workers’ Exposure in Quebec Underground Mines (bf19411f-d782-4aed-bfa6-78838c9cf781)

    By P. Marcotte, G. LeBlanc, S. Ouellette, J. Boutin

    "To characterize noise and vibration sources of different types of mining equipment used in underground mining, the authors performed a study in eight Quebec mines on 28 pieces of equipment. This pape

    Jan 1, 2015

  • CIM
    Mill Tailing Disposal at Hollinger

    By The Mill Staff

    Introduction The Hollinger cyanidation mill commenced operating in June, 1912, and 49,779,978 tons of solids had been discarded by the end of 1950. The present tailing disposal plant has been in oper

    Jan 1, 1951

  • CIM
    Flow Induced Corrosion and Erosion Corrosion are Two Different Corrosion Phenomena Part I: Doping of Impurities as New Mechanism for Flow Induced Corrosion

    By M. Reda

    Erosion corrosion is acceleration in the rate of corrosion attack in metal due to the relative motion of a corrosive fluid and a metal surface [1]. The increased turbulence caused by pitting on the in

    Jan 1, 2010