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  • SME
    Effectively Utilize Voip And Web Compression Technology With Satellite And Other Low Bandwidth Connections To Improve Mine Efficiency And Safety And Reduce Communications Costs

    By M. Haase

    [ ] How important is a robust communications system for your mine site in order to meet operational and safety requirements? Do you currently have VSAT in place and need a low cost, high quality mu

    Jan 1, 2012

  • SME
    A Field Assessment Of An SIUC Innovative Spray System For Continuous Miners

    By Y. P. Chugh

    During late 2010, a scientifically founded water spray system was developed for continuous miners (CM) (Patent Pending) that reduces respirable dust exposure for miner operator by about 30%. It includ

    Jan 1, 2012

  • SME
    Solutions To Reduce Blast-Induced Ore Loss & Dilution At Ahafo Gold Mine In Ghana

    By W. Rogers

    Blast-induced rock mass displacement can have a significant impact on ore loss & dilution. The mischaracterisation of the grade boundaries both prior to, as well as a result of blasting can lead to si

    Jan 1, 2012

  • SME
    Analysis Of Us Small-Mine Compliance Feasibility With Proposed New Respirable Dust Standards And Implications For Better Dust Control Methods

    By R. L. Grayson

    In 2010, MSHA began holding hearings on a new coal mine respirable dust rule, which proposes a 1.0 mg/m3 standard, a separate 0.1 mg/m3 quartz standard, and the use of single-shift samples for complia

    Jan 1, 2012

  • SAIMM
    Strategic Long Term Planning In Mining - Synopsis

    By G. L. Smith

    The fundamental challenge facing mineral and metal companies is how to create sustainable value while operating within mandated strategic bounds, identified constraints, and variable market and econom

    Jan 1, 2012

  • CIM
    Comparison of Flotation Grade Dynamics Enabled By Real-Time Measurement

    By F. E. du Plessis

    "The distinction between data suitable for process control and data subject to aliasing only becomes quantifiable with the availability of rapid real-time measurements. Expecting the dynamics of flota

    Jan 1, 2012

  • SAIMM
    Qualitative Analysis Of Fine Coals Obtained From Triboelectrostatic Separation ? Synopsis

    By S. O. Bada

    Coal samples taken from the No. 2 Seam and No. 4 Seam in a South African colliery were tested in a rotary triboelectrostatic separator. The two-stage triboelectrostatic separation results using the -1

    Jan 1, 2012

  • CIM
    Systematic and Integrative Ore Characterization of Massive Sulfide Deposits: An Example from Voisey’s Bay Ni-Cu-Co Ovoid Orebody, Labrador, Canada

    By P. J. Sylvester, D. H. C. Wilton, R. I. Wheeler, M. A. E. Huminicki, D. Evans-Lamswood

    "Systematic characterization of the mineralogy of massive sulfide ore deposits can provide valuable insights into ore genesis and metallurgical processing that would not be apparent otherwise. We desc

    Jan 1, 2012

  • SME
    The Pebble Porphyry Cu-Au-Mo Deposit, Alaska - Introduction

    By M. J. Gregory

    The Pebble Cu-Au-Mo deposit in southwest Alaska is one of the world's largest porphyry deposits. The western part of the deposit was discovered by Cominco America in 1987, who sold the project to

    Jan 1, 2012

  • SAIMM
    Managing The Geotechnical And Mining Issues Surrounding The Extraction Of Small Pillars At Shallow Depths At Xstrata Coal South Africa ? Synopsis

    By S. Z. Pethö

    Pillar extraction at shallow depths with small pillars that were not originally intended for secondary extraction can provide a huge benefit to the coal mining industry in those areas where a signific

    Jan 1, 2012

  • CIM
    An Overview of the Lithium Carbonate Process Flow Sheet for Concentrates Derived from Hard Rock Lithium Sources

    By Tassos Grammatikopoulos, Gary Pearse, Massoud Aghamirian, Charlotte Forstner, Stephen Mackie

    "SGS Minerals Services (Lakefield, Ontario site) has conducted a number of developmental and pilot programs that examined methods for the beneficiation, extraction and recovery of lithium from a varie

    Jan 1, 2012

  • SME-ICGCM
    A Mine Evaluation Protocol Using Applied Rock Mechanics Techniques

    By Gary B. Petersen

    The author has developed a seven-step process called the Applied Rock Mechanics (ARM) Protocol that the author has used to solve numerous roof stability problems in mines throughout North America sinc

    Jan 1, 2012

  • CIM
    Selection and Commissioning of ABC Grinding Circuit for Nkomati Nickel Mine (08cc03e7-68ed-4768-97f1-ea278e93afda)

    By P. J. Morgan, E. Wolmarans

    The selection of the main mineralised zone (MMZ) concentrator milling circuit has followed a comprehensive route over the preceding 10 years. Many knowledgeable parties have contributed and assisted i

    Jan 1, 2012

  • TMS
    An Evaluation Study: Recent Developments and Processing of Glass Scrap Recycling

    By Burcu Ertug, Necip Ünlü

    "On average, one out of two glass bottles coming on to the market is provided by recycling processes in Europe. Glass recycling has been started by the early of 1970s in Turkey, and the recycling amou

    Jan 1, 2012

  • SME
    Observational Method Using Real Time Surface Settlement Monitoring On The South Toulon Tunnel Project - Introduction - Project History

    By B. C. Vargas

    The Toulon tunnel project is a key component of the Highway corridor on the French Riviera between Marseille and Nice and is a fundamental transportation infrastructure for the region. The first desig

    Jan 1, 2012

  • SAIMM
    Uncertainty Assessment For The Evaluation Of Net Present Value: A Mining Industry Perspective ? Synopsis

    By Ö. Erdem

    The investment decision making process in the insurance and finance industries is affected by new advances such as simulation techniques. These advances have improved the discounted cash flow method (

    Jan 1, 2012

  • SME-ICGCM
    A Review of Effective Parameters on Roof Fall During Retreat Mining in Room and Pillar Coal Mines

    By Ebrahim Ghasemi

    Problem statement: One of the most challenging safety problems in room-and-pillar coalmines is controlling roof falls during retreat mining. Roof falls not only cause both fatal and non-fatal injuries

    Jan 1, 2012

  • SME
    Separation Of Specularite From Ferrous Silicate Gangues By Low Temperature Floatation With Amphoteric Collector

    By C. Wen

    In Huoqiu region of Anhui Province, Fe2O3 occurs mainly in the form of specularite. Besides quartz, the gangue minerals include iron-bearing silicates such as chlorite and sericite which account for a

    Jan 1, 2012

  • SME
    Growing Mine Rescue Capability Through Development Of University Student Teams

    By P. D?Elia

    Following a study by NIOSH on the availability of teams in the U.S. as well as existing training sites and their capabilities, the Penn State University, leaders of the Pittsburgh Section of SME, prov

    Jan 1, 2012

  • SME
    Recovery Of Bitumen By Implementation Of Column Flotation In The Athabasca Oil Sands

    Column flotation has been successfully implemented on a production scale in the Athabasca oil sands. In this application, bitumen is recovered and mineral matter is simultaneously rejected from a midd

    Jan 1, 2012