Search Documents

  • AUSIMM
    The Heavy Media Separation Coal Washing Plant at Lidsdale, New South Wales

    The Heavy Media Separation plant operated at Lidsdale siding, eight miles from Lithgow, by the N.S.W. Mining Co. is a product of the Western Machinery Company, of D.S.A.This mill, designed to use fine

    Jan 1, 1954

  • SME
    Design Analyses for a Large-Span Tunnel in Weak Rock Subject to Strong Seismic Shaking

    By Bhaskar B. Thapa

    The proposed Caldecott fourth bore will consist of a two lane highway tunnel along California State Route 24 near the City of Oakland. The proposed design and construction sequence for the 15-m-diamet

    Jan 1, 2008

  • NIOSH
    Mineral Commodity Summaries 1985 - An Up-To-Date Summary Of 87 Nonfuel Mineral Commodities ? Aluminum

    1. Domestic Production and Use: In 1984, 12 companies operated 27 primary aluminum reduction plants, with 3 firms accounting for 57% of production. Washington, Oregon, and Montana accounted for 35% of

    Jan 1, 1985

  • SAIMM
    Mineralogical Solutions For Pyrometallurgical Problems - Synopsis

    By L. Andrews

    Mineralogy, traditionally associated with concentrator studies, is being increasingly applied to problems in pyrometallurgy. Such investigations commonly make use of a number of techniques, and the re

    Jan 1, 2011

  • SME
    Modification and Enhanced Testing of Data Mining-Based Algorithm to Detect Subtle Errors in Temperature Sensors in Gold Stripping Circuit Mining, Metallurgy and Exploration (cca8e619-0fb1-422a-925d-6e04d2a067f5)

    By Eduardo Pimenta de Melo, Rambabu Pothina, Rajive Ganguli

    Sensors are everywhere in the mining industry, with sensor information being used to monitor and operate processes. Therefore, when sensor information is wrong, economic losses can occur. Unfortunatel

  • NIOSH
    OFR-33(2)-79 Application Of A Total System Surface Mine Simulator To Coal Stripping - Volume II - User's Manual For A Surface Mining - Materials Handling Simulator

    By C. B. Manula

    This report is mainly concerned with the modification and development of a users manual for the Open-Pit Materials Handling Simulator (OPMHS) developed at Penn State. Model Modifications included the

    Jan 1, 1976

  • SAIMM
    Net Present Value Maximization Model For Optimum Cut-Off Grade Policy Of Open Pit Mining Operations ? Synopsis

    The optimum cut-off grade policy maximizes the net present value (NPV) of an open pit mining operation subject to the mining, processing, and refining capacity constraints. The traditional approaches

    Jan 1, 2011

  • NIOSH
    OFR-9(1)-72 Coal Mine Rescue And Survival System - Volume I - Survival Subsystem - Introduction - Contract Information

    This volume constitutes the Survival Subsystem portion of the final report for the Coal Mine Rescue and Survival System (CMR&SS) program, which was conducted by the Westinghouse Electric Corporation u

    Jan 1, 1971

  • NIOSH
    OFR-129-76 Ignition Suppression Device

    By Will B. Jamison

    An ignition detection and suppression system was developed under the scope of this contract. The objective of this machine mounted system was to detect flames caused by frictional sparking from the cu

    Jan 1, 1976

  • SME
    Industrial Minerals 1986 - Barite, Bauxite and alumina

    By R. J. Anderson, A. V. Castelli

    In 1986, United States' barite production fell 48.9%, consumption - sold or used by grinding plants - was off 47.3%, and imports were down 63.8%. Meanwhile, world mine production decreased 29.6%,

    Jan 5, 1987

  • SME
    Heap Leach Production Modeling: a Spreadsheet-Based Technique Mining, Metallurgy and Exploration

    By John Marsden, Mike Botz

    A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an

  • SME
    Heap Leach Production Modeling: a Spreadsheet-Based Technique Mining, Metallurgy and Exploration (d0b07872-d76a-4d2f-9138-be0ecd526747)

    By John Marsden, Mike Botz

    A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an

  • SME
    Heap Leach Production Modeling: a Spreadsheet-Based Technique

    By John Marsden, Mike Botz

    A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an

    Sep 3, 2019

  • NIOSH
    IC 6785 Summary Of Ore-Mining Cost Data ? Introduction

    By Chas. F. Jackson

    During the past 5 years the Bureau of Mines has published information circulars dealing with mining methods and costs at 78 ore mines; 7 circulars, each of which is devoted to a discussion of one of t

    Jan 1, 1934

  • SAIMM
    Gas-Phase Fluorination Kinetics Of Ta2O5 With Elemental Fluorine - Synopsis

    By A. D. Pienaar

    The aqueous chemistry of niobium and tantalum compounds with hydrofluoric acid is a mature field of investigation. In contrast, very little attention has been paid to reactions of these compounds in n

    Jan 1, 2012

  • NIOSH
    OFR-166-81 Delineation Of Geologic Roof Hazards In Selected Coal Beds In Eastern Kentucky With Landsat Imagery Studies In Eastern Kentucky And The Dunkard Basin

    By David K. Hylbert

    This study investigated stratigraphic and structural causes of roof falls in room-and-pillar drift coal mines in nine mines in eastern Kentucky. A contract modification provided for remote sensing stu

    Jan 1, 1980

  • SAIMM
    Underground storage in Sydney, some uncommon rock mechanics features of an uncommon project in Australia

    By N. Gatelier, T. You, J. C. Kandel

    ABSTRACT: Underground hydrocarbons storage is a very specific domain for the designer. He is usually free to adjust the section, shape and layout to cope with the geological and geotechnical condition

    Jan 1, 2003

  • NIOSH
    Review Of Literature On Effects Of Breathing Dusts With Special Reference To Silicosis - Introduction

    By D. Harrington

    Dust diseases are much before the public at present, but little reliable information on the subject is readily available to the layman; even those rated as experts usually have a more or less theoreti

    Jan 1, 1937

  • TMS
    Development of a High-temperature Micro-indentation Technique for Material Mechanical Property Evaluation up to 1200 oC

    By J. M. Tannenbaum

    A depth-sensing micro-indentation technique is developed for evaluating mechanical properties of materials at elevated temperatures (to 1200°C). System description and design considerations of the tes

    Jan 1, 2010

  • SME
    Closing the Historic Alaska-Juneau Mine

    By Joseph L. Petrillo

    In July 1997, Kvaerner Environmental signed a unique contract with Echo Bay Alaska called the Transfer Risk and Accelerate Closure (TRAC). The contract called for Kvaerner to assume the responsibilit

    Jan 1, 1999