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  • SAIMM
    Pelletizing Of Sishen Concentrate - Synopsis

    By P. Mbele

    Iron ore concentrate is not easily transported to, or processed in, ironmaking plants, therefore it is necessary to agglomerate. This paper will determine the possibility of agglomerating Sishen conce

    Jan 1, 2012

  • SME-ICGCM
    Load Transfer Distance Calibration of a Coal Panel Scale Model: a Case Study

    By Mark K. Larson

    Calibration of LaModel for deep coal mines begins with adjustment of overburden stiffness for load transfer distance. This calibration determines whether mining induced stresses are concentrated in th

    Jan 1, 2012

  • SME
    Mining And Community Development: From Rethoric To Practice

    By E. Sirolli

    In recent times, with rare exceptions, most economically viable ore discoveries have been large, low-grade and located in remote parts of the world. Mining companies have often shown to be incapable o

    Jan 1, 2012

  • SME
    Optimizing The Number Of Open Pit Mine Push Backs

    By M. Rezaee

    Push backs used in the production planning of open pit mines play an integral role in generating annual cash flow. Although several algorithms for push back designs have been proposed, none have studi

    Jan 1, 2012

  • CIM
    The Dominance of the Competent (132ad218-068a-4432-85e5-c44062e501fc)

    By Å. Partapuoli, M. Henriksson, P. Wikström, J. Worth, G. Adolfsson

    The control of AG mills fed by ores with harder and softer components can be challenging due to the sensitivity of the mill to the ratio of hard to soft components. The mills at LKAB’s iron ore operat

    Jan 1, 2012

  • SME
    An Innovation Of Practical Underground Stope Design Optimization And Cut-Off Grade Calculation

    An incremental analysis based stope design optimization method was developed at Exodus, an underground project located 30 miles north of Carlin, Nevada. Traditional underground stope design methods, b

    Jan 1, 2012

  • DFI
    Seismic and Lateral Load Design and Testing Guidelines

    By Don Deardorff, Ke Yang, Yingcai Han, Ken Sorensen, Robert Kruger, Mark Petersen, Diane Fiorelli, Larry Goldfarb, Kathryn Petek, Kwabena Ofori-Awuah

    Design of deep foundations for lateral loads requires an understanding of soil-foundation-structure response during loading. Lateral loads on a deep foundation (piles) could be due to earthquakes, win

    Jan 1, 2012

  • TMS
    Aluminothermic Smelting: A Versatile Process Serving Demanding Markets

    By Jr. Robison

    "Aluminothermic (""thermite"") smelting became commercial with the development of tonnage aluminum, and prospered producing metals and alloys with higher cleanliness, consistency and elemental control

    Jan 1, 2012

  • TMS
    Dissolution of Platinum, Palladium and Rhodium in 250 g/L NaCl Solution

    By K. Lillkung, O. Forsen, J. Aromaa

    "The dissolution rates of Pt, Pd and Rh in 250 g/L NaCl solution were calculated from the current densities determined by polarization curves and potentiostatic measurements measured with wire electro

    Jan 1, 2012

  • SME-ICGCM
    Massive Pillar Collapse: a Room?and?Pillar Marble Mine Case Study

    By Sandin E. Phillipson

    The Mine Safety and Health Administration?s Roof Control Division responded to a massive ground failure at an underground marble mine in northern Georgia. The ground failure occurred in a benched area

    Jan 1, 2012

  • SAIMM
    Integrated Short- And Medium-Term Underground Mine Production Scheduling - Synopsis (01060c16-86e0-4e0e-8e87-e1ba1c275054)

    The development of short- and medium-term mine production schedules in isolation from each other has meant that only a local optimum can be achieved when each scheduling phase is carried out. The glob

    Jan 1, 2012

  • SME
    Source Path Contibution Analysis Of An Underground Haul Truck Used In Metal/Non-Metal Mines

    By J. S. Peterson

    Occupational noise-induced hearing loss (NIHL) has been recognized by the National Occupational Research Agenda (NORA) as the most common job-related disease in the United States. Roughly 30 million w

    Jan 1, 2012

  • SME
    Oilwell Cementing: What Is Next?

    By A. Mahmoudkhani

    Primary cementing is the process of placing cement in the annulus between the casing and the formations exposed to the wellbore. Portland cement was first used in 1903 in the Lopoc Field in California

    Jan 1, 2012

  • SAIMM
    Metal Dusting On Alloys 602CA And 800 - Synopsis

    By F. M. L. Mulaudzi

    Metal dusting is a corrosion phenomenon that occurs in strongly carburizing gas atmospheres at elevated temperatures. Reaction kinetics and product characterizations of Alloys 602CA and 800 were exami

    Jan 1, 2012

  • SME
    Gold Mineralization In The Coffee Creek Area; White Gold District (Dawson Range), West-Central Yukon ? Introduction

    By A. J. Wainwright

    The Coffee Creek lode gold discoveries are located in the White Gold district (Dawson Range), west-central Yukon, 130 km south of Dawson City and 30 km south of the Golden Saddle gold deposit (Figure

    Jan 1, 2012

  • SME
    Stability Investigations In Three-Dimensions Around A Tunnel In A Metal Mine In China

    By P. H. S. W. Kulatilake

    To exploit an underground mine effectively and safely, it is important to have a good understanding of the geotechnical behavior around underground excavations made in the mine. The aim of this study

    Jan 1, 2012

  • CIM
    Improving Energy Efficiency in Barrick Grinding Circuits (309a678f-c2fc-4f23-900a-4b50d1de7610)

    By Christian Brits, Bob Blain, Lloyd Buckingham, Juliu Stieger, Jean-Francoi Dupont

    Barrick Gold Corporation (Barrick) has undertaken innovative methods of evaluating and improving the performance of grinding mills in several of its operations around the world. The results have been

    Jan 1, 2012

  • CIM
    Inspection Techniques - Non-Destructive Evaluation – Mill Gear Inspection Using Eddy Current Array (ECA) Combined With Alternating Current Field Measurement (ACFM) Techniques

    By Tom Shumka

    "All mineral processing facilities that use girth gear driven mills need to inspect the gear teeth on a routine basis, whether it be every six months to every three years. The inspection frequency dep

    Jan 1, 2012

  • SAIMM
    Development And Demonstration Of Oxy-Fuel CFB Technology - Synopsis

    By A. Hotta

    Reduction of CO2 emissions is the key driving force behind the development and implementation of new solutions for energy production. One solution is circulating fluidized bed (CFB) combustion technol

    Jan 1, 2012

  • SAIMM
    Mechanisms Of Large Seismic Events In Platinum Mines Of The Bushveld Complex (South Africa) ? Synopsis

    By D. Malovichko

    Seismic events and pillar failures observed in two platinum mines in the Rustenburg area, South Africa, were investigated. We studied the sources of approximately 300 largest seismic events recorded i

    Jan 1, 2012