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  • SME
    New World Class Industrial Clay Deposits

    By H. H. Murray

    Recently developed clay deposits that will impact regional and world markets are described. These deposits, their location, geology, and physical properties are delineated. Kaolins from the State of P

    Jan 1, 1999

  • SME
    Development Of Stillwater Mining Company's East Boulder Project Using Tunnel Boring Technology

    By C. Alexander

    Stillwater Mining Company is developing a second underground palladium and platinum mine approximately 21 km (13 miles) west of their existing Nye operation in south central Montana. A 5650 meter (18,

    Jan 1, 1999

  • SME
    Desilication Application and Defoaming Mechanism of XK-28 Collector in Iron Ore - Mining, Metallurgy & Exploration (2021)

    By Ma Fangyuan, Li Min, Xu Bing, Xian Yushuai, Zhao Tonglin

    The study explored a new combination amine collector (XK-28) that can obtain better flotation index and defoaming rate for magnetic iron ore. A pure quartz mineral test indicates that dodecylamine, XK

    Jul 21, 2021

  • SME
    Culture, a pillar in your sustainability initiatives

    By M. Arias

    "An attractive foreign investment legislation, an anti-mining framework in the jurisdiction where a head office is located, the geographical location of the mineral resources, a country that offers th

    Jan 1, 2011

  • SME
    Desulphurisation Of Fine Graphite Powder By HGMS

    By Y. Wang, K. S. E. Forssberg, A. Johansson, X. Lu

    This paper presents the desulphurisation of a fine graphite powder below 80 µm by high gradient magnetic separation. The removal of pyrite (FeS2) and pyrrhotite (Fe1-xS) from the fine graphite powder

    Jan 1, 2002

  • SME
    Application of safety engineering to reduce the risk of haulage accidents in surface coal mines using dump trucks

    By K. Pathak

    Loaders and dump trucks are the most commonly used surface-mining equipment. Negligence of the safety-engineering aspects of dump trucks may result in serious accidents in a mine. A reduction in the r

    Jan 1, 1999

  • SME
    Using Ultrasonic Anemometers To Evaluate Face Ventilation Conditions (37675a23-4c90-488d-92b2-7c8afee459e6)

    By J. Chilton

    The fact that methane ignitions continue to occur at the mining face indicates that monitoring with machine-mounted methanometers does not always indicate the presence of high methane concentrations.

    Jan 1, 2007

  • SME
    A Comparison Of Liberation Determinations By Particle Area Percentage And Exposed Particle Perimeter Percentage In A Flotation Concentrator

    To simplify programming, image analyzers commonly measure either linear intercepts or the areas of particles and grains to determine liberation based on polished section mounts. However, the concentr

    Jan 1, 2002

  • SME
    Interaction Of Grade And Metallurgy Simulations In Assessing Uncertainty For Ore Routing Determinations In The Gold Quarry Deposit

    By M. Baumann

    Introduction Gold Quarry is one of the largest gold deposits in Nevada, located along the Carlin Trend, approximately seven miles north of Carlin, NV. Owned and operated by Newmont Mining Corporati

    Jan 1, 2007

  • SME
    World's Longest Single Flight Belt Conveyor (17e25a16-e84c-488f-bdad-9f6cbe2da96d)

    The Putnam Coal Mine, at design capacity, will be the third largest underground bituminous coal mine in the world and will feature the world's longest single flight belt conveyor. Construction is

    Jan 1, 1968

  • SME
    Risk Considerations and Design for the Downtown Deep Sewer Tunnels, Austin, Texas

    By Greg Wieland

    Deep sewer tunnels are required to meet future growth demands of the City of Austin?s down-town redevelopment. The tunnel is 18,000 ft long and varies in finished diameter from 54 inches to 96 inches.

    Jan 1, 2008

  • SME
    A comparison of globe, wet and dry temperature and humidity measuring devices available for heat stress assessment

    By S. Hardcastle

    Various controlled and ambient tests were undertaken to evaluate the performance of a variety of digital heat stress monitors, psychrometers and simpler temperature/relative humidity data loggers that

    Jan 1, 2009

  • SME
    Narrow vein shrinkage stope ventilation measurement using tracer gas and numerical simulation

    By G. Arpa

    Ventilation survey using tracer gas measurement is one of the techniques for mine ventilation design, monitoring and investigation of movement of fresh air and contaminants. However, there has been li

    Jan 1, 2009

  • SME
    Evaluating the Status of Omo Forest Reserve

    By T. O. Dauda, L. O. Ojo

    One of the results of the Earth summit (The United Nations Conference) on Environment and Development - UNDP is the statement of forest principles. Others include: the Rio Declaration which is that th

    Jan 1, 2005

  • SME
    Recovery And Utilization Of Bottom Ash Magnetics For Coal Cleaning Medium - Preprint 09-002

    By R. Q. Honaker

    Dense medium processes are used to clean over 50% of the coal that is fed into preparation plant facilities worldwide. The dense medium is formed using ultrafine magnetite which is recovered after the

    Jan 1, 2009

  • SME
    An Overview Of NIOSH Mine Illumination Research: Past, Present, And Future

    By J. J. Sammarco

    Illumination is essential for mine safety because miners depend most heavily on visual cues to detect hazards associated with slips/trips/falls and powered haulage. The National Institute for Occupati

    Feb 27, 2013

  • SME
    Advanced Dewatering Methods For Energy Savings In The Mineral Processing Industry

    By G. Luttrell, S. Keles, M. Eraydin, R. Yoon

    The dewatering of fine particles is energy intensive and often requires costly capital expenditures. To address these issues, a series of advanced dewatering technologies have been developed at Virgin

    Jan 1, 2007

  • SME
    Short Tunnels = HIGH Risk?: Pipeline Construction Involving Open-Cut And Tunnel Segments

    By Michael Gilbert

    In the world of tunneling the glamour is in the large diameter, long tunnels, but perhaps the number of projects for small diameter and short length tunnels are greater and generally have higher risk

  • SME
    New Mining Districts in Mexico

    By Leonel Lopez

    Throughout Mexican history, mining has been an important, traditional activity. Before the "Discovery of America," native miners worked a variety of deposits throughout the country, including Mixtec g

    Jan 1, 1994

  • SME
    Monitoring Acidophilic Microbes With Real-Time Polymerase Chain Reaction (PCR) Assays - Preprint 09-014

    By F. F. Roberto

    Many techniques that are used to characterize and monitor microbial populations associated with sulfide mineral bioleaching require the cultivation of the organisms on solid or liquid media. Chemolit

    Jan 1, 2009