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  • SME-ICGCM
    A Retrospective Assessment of Longwall Roof Support with a Focus on Challenging Accepted Roof Support Concepts and Design Premises

    By Thomas M. Barczak

    The era of the shield-supported longwall face began in the United States a little over 25 years ago. The most fundamental development of the shield in the past 25 years has been an increase in size a

    Jan 1, 2006

  • SAIMM
    Geotechnical Considerations In The Design Of The MOCB Mining Method At Konkola No. 3 Shaft

    Konkola No 3 shaft experienced severe mining-induced stress and time-related deterioration in ground conditions in an area where an over-cut and bench (OCB) mining method was used to extract a shallow

    Jan 1, 2005

  • CIM
    Study of Relationship between Pyrochlore Matrix Composition and Surface Chemistry Effects on Collector Adsorption

    By B. Hart, J. Marois

    "Scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM–EDX), and Time of flight secondary ion mass spectroscopy (TOF-SIMS)were used to analyze pyrochlore grains from Niob

    Jan 1, 2013

  • SME
    Leaching And Recovery Of Gold From Black Sand Concentrate And Electrochemical Regeneration Of Bromine

    By J. A. McKeown, B. M. Sanders, A. Dadgar, R. H. Sergent

    This paper describes the leaching of gold with Geobrom® 3400 from a very rich (6.2 kg/tonne) black sand concentrate and its subsequent recovery by ion exchange resins and solvent extraction. The disso

    Jan 1, 1990

  • CIM
    Interface Management

    By R. Simonson

    Agenda ? Need and Introduction ? Interface Management Programs ? Outcomes of Successful Interface Management ? Key Success Factors ? Lessons Learned ? Concluding Remarks Need for Interface Mana

    Aug 1, 2013

  • AIME
    Rock Bursts - Rock Bursts-A Symposium (T. P. 1468, Mining Tech., May 1942)

    1. What Is a Rock Burst? . . . . 569 Jack Spalding . . 569 A. F. Robertson . 569 W. R. Crane .

    Jan 1, 1946

  • SAIMM
    Modelling And Assessment Of The Long-Term Leachate Generation Potential In Deposits Of Ferro-Chromiun Slags

    The environmental impact of solid waste materials is closely linked to their potential to produce a hazardous leachate once deposited in a landfill. This potential is conventionally assessed with simp

    Jan 1, 2000

  • AUSIMM
    New 40Ar/39Ar Dates of Adularia from Epithermal Deposits in the Hauraki Goldfield, New Zealand

    By C Hall, J L. Mauk

    New 40Ar/39Ar dates of vein and wall rock adularia from seven epithermal deposits and one porphyry copper prospect help constrain the ages of mineralisation in the Hauraki Goldfield. Vein adularia fro

    Jan 1, 2005

  • SME
    Rock Tunneling For A Rail Transit System Buffalo, New York

    By Kenneth W. Torpey, James G. Ball, Richard F. Flanagan, David S. McAllister

    INTRODUCTION Under a Federal grant by the Urban Mass Transit Administration (UMTA) (80%), and sponsored by the State of New York (200), Niagara Frontier Transportation Authority is constructing a 1

    Jan 1, 1981

  • CIM
    Hydraulic Hoisting & Long Distance Pumping of Coal

    By R. E. McElvain

    "Hydraulic transportation of solids in suspension with water or other carriers, such as oil is becoming more practical as economic situations develop with respect to the railroads and other carriers.

    Jan 1, 1978

  • SME
    Development Of A High Blow Energy Hydraulic Impactor

    By Wm. Ross Wayment, Innes P. Grantmyre

    INTRODUCTION It has been recognized for some time that major changes in mining methods will be required in the near future. Two types of factors contribute to this need for change. Intrinsic factor

    Jan 1, 1976

  • SME
    T& UC Tunnel Demand

    TABLE TUNNEL NAME OWNER LOCATION STATE TUNNEL USE LENGTH (FEET) WIDTH (FEET) BID YEAR STATUS Gateway Tunnel project Amtrak Newark NJ Subway 14,600 24.5 2015 Under study

    Sep 1, 2013

  • AUSIMM
    Microaerobic Microbial Manganese Dioxide Leaching

    By Madgwick J. C

    A novel, microaerobic, heterotrophic microbial leaching system for manganese dioxide is described. Mixed natural microflora were enriched by addition of sugars and crude plant nutrItIOnal supplements.

    Jan 1, 1983

  • SAIMM
    NEMA, Mining And Metallurgy And The Social Environment: Implications From The Melting Pot - Introduction

    By A. Burger Pintér

    To be meaningful the sharing of ideas about the National Environmental Management Act (NEMA) and social issues within the context of Mining and Metallurgy (M&M) requires an honest scrutiny of the M&M/

    Jan 1, 2000

  • AIME
    Institute of Metals Division - Deformation Twinning in Copper Whiskers of [111] Orientation (TN)

    By M. N. Shetty

    LARGE copper whiskers (-100 p) of 11111 orientation were tested in a floor-model Instron testing machine, at liquid nitrogen temperature. (Testing methods will appear elsewhere.) Whiskers deformed by

    Jan 1, 1965

  • TMS
    Evaluation Of Acid Treatment On Brown Bentonite

    By C. G. Bastos Andrade, V. F. Justo, F. R. Valenzuela-Diaz, M. G. S. Valenzuela, C. M. Matos, C. Volzone

    For industrial use, the smectite clays are usually treated with inorganic acid of high concentration at temperatures under boiling point, which provide the bentonite´s bleaching power. In the present

    Jan 1, 2015

  • SME
    Building Better Haul Roads: Designing For Structural Strength

    The structural design of a mine haul road involves the determination of cover thickness requirements above the in-situ or sub-grade material. The specification of these layerworks is a critical compo

    Jan 1, 2011

  • SME
    Policy to Practice: Strategic Environmental Assessment in the Real World

    By F. M. McEvoy, E. J. Steadman, R. Murfin

    In England, the provision of aggregate is determined by the historical relationship between construction and aggregate consumption. This approach does not necessarily lead to sustainable decision-maki

    Jan 1, 2005

  • NIOSH
    RI 6782 Low-Temperature Heat Capacities And Entropies At 298.15°K Of Ferrous Molybdate And Ferrous Tungstate

    By W. W. Weller

    Heat capacities of ferrous molybdate (FeMoO4) and ferrous tungstate (FeWO4) were measured over the temperature range 51° to 298.15° K. Ferrous tungstate has a lambda type heat capacity anomaly at 74°

    Jan 1, 1966

  • AIME
    Papers - Philadelphia Meeting – October, 1929 - The Constitution of the Copper-silicon System (With Discussion)

    By Cyril Stanley Smith

    IsolatEd alloys of copper and silicon were prepared and examined by chemical methods more than one hundred years ago, but it was not until the work of Rudolfi l that the equilibrium relations were stu

    Jan 1, 1929