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  • SME
    Coal Demand During the 1970?s For Electrical Power Generation

    By Richard L. Gordon

    At almost no time since the end of World War I has the coal industry been free from serious threats to its competitive position. At present, the critical question is whether the industry can maintain

    Jan 1, 1971

  • SME
    Techniques for Assessing and Mitigating Longwall Subsidence Effects on Interstate Highways Mining, Metallurgy and Exploration (02f14e56-44eb-4294-94a4-02fe73f626ca)

    By Yi Luo, Jian Yang, Hua Jiang

    Surface subsidence induced by underground coal mining activities, especially longwall mining operations, can cause various problems to interstate highways ranging from structural integrity, drivabilit

  • NIOSH
    IC 8030 Manganese Deposits Of New Mexico ? Summary And Introduction

    By Lloyd L. Farnham

    This paper is one of a series describing the mineral resources of the Nation, including location, history, production, ownership, geologic setting, and mining methods for most of the known manganese d

    Jan 1, 1961

  • TMS
    Using Transmittance Measurements to Investigate the Interdiffusion through the SnO2/CdS and CdS/CdTe interfaces in SnO2/CdS/CdTe Solar Cells

    By Shadia J. Ikhmayies

    The SnO2/CdS/CdTe thin film solar cells were fabricated on glass substrates by using the spray pyrolysis (SP) technique for the deposition of the SnO2 and CdS layers and vacuum evaporation for the CdT

    Jan 1, 2010

  • NIOSH
    IC 7990 Manganese Deposits of Eastern Arizona

    By C. W. DeLong, L. L. Farnham, L. A. Stewart

    This paper is one of a series covering mineral resources of the Nation . It describes briefly most of the known manganese deposits of eastern Arizona , which for the purpose of this report includes th

    Jan 1, 1961

  • TMS
    Effects of Solidification Rate and Alloy Composition on the Cast Microstructure of Aluminum Alloy 5182

    By P. N. Anyalebechi

    The effects of solidification rate (0.4-26.1 K/s) and alloying elements on the cast microstructures of aluminum alloy 5182 have been investigated with directionally cooled laboratory-size ingots. The

    Jan 1, 2010

  • CIM
    Recovery of Platinum Group Minerals from Grinding Circuits: A Protocol for Prediction

    By N. Mejia, Z. Xiao, D. Fragomini, A. R. Laplante

    "The adaptation to platinum-group minerals (PGMs) of a protocol developed to predict gold recovery by gravity is presented. The protocol is based on three different data sets: ore characterization of

    Jan 1, 2004

  • NIOSH
    RI 6115 Thermal Expansion Of Magnesium Oxide: An Interlaboratory Study

    By William J. Campbell

    Evaluation by the Bureau of Mines of published expansion values for magnesium oxide shows significant variation in values, which may be attributed to sample variables, experimental errors, or systemat

    Jan 1, 1962

  • SME
    Optimization Of A Grinding And Classification Circuit Of A Magnetite Ore Processing Plant Through Computer Simulation

    By J. A. Delgadillo

    Computer simulation and mineral modeling was applied to the optimization of a grinding circuit in a plant processing 256 t/h magnetite. These tools were used to develop a grinding and classification c

    Jan 1, 2008

  • SME
    Low-Rank Coal Ash Characterization- Washability And Utilization Implications – Preprint 97-132

    By P. D. Rao, D. E. Walsh

    Chemical and physical properties of typical low-rank coal (LRC) ash are significantly different than bituminous coal ash. With the exception of extraneous ash, which is incorporated during mining or i

    Feb 24, 1997

  • ISEE
    Soil Improvement by Blasting Part II

    By Wade A. Narin, James K. Mitchell

    Hydroblasting is considered a distinct soil improvement technique from explosive compaction, though the blast designs for the two techniques are similar. Hydroblasting is a three step process develope

    Jan 1, 1995

  • IIMP
    Prospección, exploración y desarrollo del yacimiento de Cuajone

    By Oscar Concha

    El presente texto describe la exploración, geología, controles estructurales, mineralización y los tipos de alteración hidrotermal del yacimiento minero Cuajone, situado al sur de la Cordillera Occide

    Apr 26, 1999

  • NIOSH
    Minor Metals And Minerals - Arsenic

    By Arnold M. Lansche

    DOMESTIC OUTPUT of white arsenic, As2O3, was derived entirely as a byproduct of smelting arsenic-containing copper ores by The Anaconda Company at Anaconda, Mont., and American Smelting and Refining C

    Jan 1, 1965

  • AUSIMM
    Geometallurgy - What do you Really Need to Know from Exploration through to Production?

    By K Ehrig

    You are a geologist, geometallurgist, or metallurgist/process engineer and are fortunate enough to work for an organisation who asks you to design/execute a geometallurgy program. What seems like a si

    Jul 15, 2013

  • NIOSH
    OFR-26(2)-83 Inflow To Horizontal Drains In Tailings Embankments

    Tailings embankments can develop a high phreatic surface if the original design for the embankment does not include drainage facilities or if existing drainage facilities become ineffective. Subsequen

    Jan 1, 1982

  • 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

  • NIOSH
    OFR-8-95 Mineral Investigations In The Colville Mining District And Southern National Petroleum Reserve In Alaska

    By Joseph M. Kurtak

    The U.S Bureau of Mines conducted a five-year mineral resource assessment of the 16.6 million acre Colville Mining District in northern Alaska, which includes part of the National Petroleum Reserve in

    Jan 1, 2011

  • NIOSH
    OFR-111(1)-77 Automatic Fire Protection System For Mobile Underground Metal Mining Equipment - Final Report I Volume I

    By Gene R. Reid

    The contract objective is the development and in mine testing of an Automatic Fire Control System (AFCS) for mobile underground metal mining equipment. The effort described by this report covers the p

    Jan 1, 1976

  • CIM
    The San Martin project: design and operating experience in the development of a 12,000 tpd gold heap leach mine in Central America

    By Paul Hosford, Tim Haldane

    "The paper describes the fast-track development of the project from feasibility study through to detailed design and construction, highlighting the process adaptations for handling sticky ore and wate

    Jan 1, 2002

  • CIM
    Mining for Space Why now?

    By Michel Doyon

    Canadian Context: Exploration ??Space Exploration is within the unique mandate of the Canadian Space Agency ??Global partnerships ??Maintain close relationship with our partners ??New knowledge

    May 1, 2009