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  • CIM
    Economics and Long Term Planning for Shaft Projects in Mexico

    By Michael Arriagada, Ivan Arriagada

    "As mines return to shafts to economically exploit deeper reserves, two methods mine owners use to minimize short term costs are: sinking shafts in phases and refurbishing old, existing shafts. While

    Jan 1, 2019

  • CIM
    Ductility of Magnesium Rods Continuously Cast by a Heated Mould Process

    By K. Kudo

    Magnesium rods of 99.95% purity and approximately 6 mm in diameter were continuously cast at rates of between 15 and 25 mm/min by a heated mould process and their mechanical properties evaluated. It w

    Jan 1, 2006

  • CIM
    Localization of Ore in Zeballos Area - Part 1: Coastal Belt

    By John S. Stevenson

    Zeballos mining camp is on the west coast of Vancouver island; 195 nautical miles northwest from Victoria.; The spectacularly rich gold-bearing veins that made Zeballos an important; gold camp were fo

    Jan 1, 1954

  • CIM
    Ventilation and Mine Design

    By R. W. Thompkins

    In order to evaluate the impact of air quality control on mine design, a few examples are given of cases in wh.ich ventilation has affected the economics of the total design problem. Principles for th

    Jan 1, 1967

  • CIM
    Fast PB Process: Plating Lead at 10,000 A/M2

    By M. Maccagni, J. Nielsen

    "The recovery of lead from battery paste has been investigated for a long time and with the use of many different electrolytes. A number of processes have been presented, but none of them reached even

    Jan 1, 2016

  • CIM
    Mapping Complex Folds in the Slocan Series, British Columbia

    By A. B. Irwin

    Abstract The techniques used in recognizing, recording, and interpreting structures in the Slocan sedimentary ceries in the West Kootenay district of B.C. are presented here in the hope that they wil

    Jan 1, 1951

  • CIM
    SAG and Ball Mill Effects from Ore Sorting System Implementation

    By J. Hedderson, J. Starkey, S. Reeves, B. Hilscher

    "As ore sorting becomes more common, it is important to quantify its impact on comminution circuits in order to precisely predict its effect on throughput, grind, and mill operating conditions. Since

    Jan 1, 2019

  • CIM
    Mechanical Behavior and Strengthening Mechanism of Discontinuous Precipitation in Cu-Ni-Mn Alloy

    By W. B. Xie

    The hardening behaviour and microstructure evolution of Cu-30Ni-30Mn alloys aged at 350 °C has been investigated utilizing optical microscope, scanning electron microscope, transmission electron micro

    Jan 1, 2019

  • CIM
    Recovering Pot Process Control After Long Power Interruptions and Several Load Reductions

    By L. Paulino, C. E. Zangiacomi, J. Yamamoto

    "This paper presents the learning from Alcoa Po9os de Caldas Smelter in Brazil, after several energy restrictions resulting from the failures of three rectifier units at its power switchyard. Starting

    Jan 1, 2006

  • CIM
    New Locked Charge Protection System Prevents Damage to 14mw Geared Mill (e36f627b-5857-4b5e-9b18-31db39c538e3)

    The 14MW SAG mill at Tarkwa, Ghana, experienced a frozen drop charge incident on 10 February 2010. This caused downtime of 112 hours, a repair cost of $200k and production loss of 162,000 tons, corres

    Jan 1, 2012

  • CIM
    Numerical Simulation of Hydraulic Fracture Propagation of Landfacies Ultra-Heavy Oilsands in Xinjiang Oilfield

    By Y. Jin, H. You, H. Pang, B. Lin

    Successful application of steam assisted gravity drainage (SAGD) on the recovery of land facies ultra-heavy oil in Xinjiang oilfield depends largely on shortening the preheating period with the aid of

    Jan 1, 2015

  • CIM
    Utility planning for coal beneficiation

    By Denni Nikols

    "Planning for coal beneficiation in the electric utility industry is relatively complex, involving the coordination of experts and specialists in a broad range of fields, as well as compliance with a

    Jan 1, 1984

  • CIM
    The Future of Canada's Uranium Mining Industry

    By W M. Gilchrist

    This paper gives an estimation of the future requirements of the western world in relation to energy re-sources. It then goes on to outline the role that atomic power -with its basic raw material, ura

    Jan 1, 1964

  • CIM
    Numerical Analysis of Released Energy during Unstable Rock Failure under True-Triaxial Unloading Condition

    By A. Manouchehrian, M. Cai

    "Rockburst, which often occurs around underground openings in highly stressed hard rocks, is a sudden and violent unstable rock failure and is associated with energy release. Rockburst is very dangero

    Jan 1, 2015

  • CIM
    A New Model on Triaxial Compressive Strength of Sandstone Based on Deep-Well Logging Data

    By W. Lin, Z. Z. Dong, C. L. Zhou, Y. C. Kuang

    The inversion of rock mechanical properties based on well-logging data is a common method to drillbit selection in petroleum engineering, the basic principle of which is to use deep-well logging data

    Jan 1, 2015

  • CIM
    Correlation-Based Model for Evaluating Ground Penetrating Radar (GPR) Data of Concrete Bridge Decks

    By K. Dinh

    The Ground Penetrating Radar (GPR) has been studied for a long time as a non-destructive evaluation (NDE) technology for inspection of concrete structures. Currently, the most widely used technique fo

    Aug 1, 2013

  • CIM
    Some Testwork Interpretations

    By J. C. Loretto, H. A. Simons

    The paper discusses how, in the routine testing of ores, insufficient communication between the laboratory and the design personnel can lead to misunderstanding or misinterpretation of test results an

    Jan 1, 1972

  • CIM
    High resolution magnetic anomaly maps from ERLIS compilation: An example from Kirkland Lake

    By S. Manning, W. Morris

    Mineral exploration assessment file information has long been considered a useful resource for developing mineral exploration strategies, and one of the most common data sets fled in assessment report

    Jan 1, 1997

  • CIM
    Refractory Performance and Campaign Life Extension of the Reverberatory Furnace at HBMS in Flin Flon

    By J. M. Cooper

    The HBMS reverb furnace in Flin Flon was originally designed in the late 1920s. Throughout the decades campaign life has been increased due to operational practices, technological changes and brick qu

    Jan 1, 2007

  • CIM
    An Open Platform for Underground Vehicle Monitoring

    By Lorrie Fava

    Two needs in the mining industry, to enable overall process improvements, are open systems and network connectivity in underground mines. The Pando project, a collaboration between Symboticware, Vale

    Oct 1, 2010