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  • SME
    Caterpillar’s MINExpo Exhibit Includes a Day at Tinaja Hills

    By Steve Kral

    MINExpo INTERNATIONL 2000 was a good place for companies to introduce new products, technologies and services to the mining industry. Caterpillar took that a step further. The company hosted a one-da

    Jan 1, 2000

  • SME
    Caterpillar 5090B Offers Higher Loading Capacity

    By Tim O’Neil

    Caterpillar has introduced its 5090B front shovel, to work with 40 to 70 st (36 to 63 t) trucks. The new unit replaces Cat’s 5080 hydraulic excavator. The 5090B offers more engine horsepower, higher

    Jan 1, 2003

  • SME
    A Geostatistical Study Of The North Butte Roll Front Uranium Deposit

    By J. Marbeau

    In this paper, a geostatistical study of the North Butte roll type uranium deposit is presented. The geostatistical procedure applied takes into account the varying direction of the roll front for res

    Jan 1, 1991

  • SME
    Analyzing the Health and Cost Benefits of Utilizing Electric Engines versus Diesel for Equipment Fleets in Hot Underground Mines

    By Karoly (Charles) Kocsis, August Greth, Jon Fox

    "It is the duty of the mine operator to ensure the mine environment is healthy and safe for the mine workers. For deep and hot underground mines, this requires maintaining adequate working temperature

    Jan 8, 2018

  • SME
    Major Step for Phosphate Exploration in the Jerid Area, Southwest Tunisia: Reconstitution of the Paleocene‑Eocene Series Geometry - Mining, Metallurgy & Exploration (2021) via Borehole Data and Seismic Reflection Profiles

    By Rihab Guellala

    In Tunisia, the Paleocene-Eocene series has an important socio-economic interest. It contains profitable oil and water accumulations. Moreover, it encompasses phosphate reserves. The present study use

    Aug 15, 2021

  • SME
    Shaft Sinking In The Hemlo Gold District

    By Peter White

    The Hemlo Gold District, located on the north shore of Lake Superior, was discovered in 1981 and will become one of the largest gold mining camps in Canada. Three major Canadian mining companies are p

    Jan 1, 1985

  • SME
    More Than 400,000 Expected at bauma 2004 in Munich

    bauma 2004 will feature a couple of firsts for one of the world’s largest construction and building materials machinery exhibitions. The event is scheduled for March 29 through April 4 of next year a

    Jan 1, 2003

  • SME
    A Study-BHP Robinson And BHP Tintaya

    By II Browne

    After a decade of high copper prices, major mining companies are renewing their interest in purchasing operating properties and/or development of ore bodies. An existing operation carries with it a hi

    Jan 1, 1997

  • SME
    Implementation Of The HydroFloat Technology At The South Fort Meade Mine (b0ff9df4-18a3-4533-954f-95c4d4f285a2)

    Several industrial-scale HydroFloat separators have recently been installed at Mosaic?s South Fort Meade beneficiation plant for the purpose of improving phosphate recovery and throughput capacity. Th

    Jan 1, 2007

  • SME
    Dry Chemical Process To Magnetize Pyrite And Ash For Removal From Coal

    By James K. Kindig

    Hazen Research, Inc., has developed a new process for removing pyritic sulfur and ash from coal. Feed coal is contacted with iron carbonyl vapors, Fe(CO)5, at 190°C which puts a thin skin of magnetic

    Jan 1, 1976

  • SME
    Improving the performance of fan-powered dust collectors in stone cutting applications

    In the dimension stone industry, workers in processing shops may be exposed to harmful levels of respirable silica dust when conducting the different tasks in stone preparation, which include cutting,

    Jan 1, 2009

  • SME
    Recent Advancements In Slurry Shield Tunneling

    By Yoshihiro Kawarabata

    INTRODUCTION With only about 30% of Japan's entire population served by sewer systems at the end of 1980, extensive sewerage construction programs have been implemented. As major sewer network

    Jan 1, 1983

  • SME
    Development Of New Process And Reagent For Flotation Of Graphite

    By G. M. Rao, P. N. Deo

    Graphite is soft and easily floatable but it is quite difficult to obtain high purity concentrate at coarse sizes. Chemical treatment can produce high grade concentrate but it is an expensive process.

    Jan 1, 1995

  • SME
    Underground Mining: Supported Methods

    By Fred W. Brackebush

    In underground stopes that require more than minimal support, backfill is almost universally used. The term cut and fill stopingis used in a broad sense in this section, which describes underground mi

    Jan 1, 2008

  • SME
    Comparative Analysis Of Open Pit Mine Scheduling Techniques For Strategic Mine Planning Of The Tintaya Copper Mine In Peru

    By D. Bernabe

    The mine scheduling process defines a mining sequence across the life of the mine and stipulates the amount of ore, waste, and specific blocks to be mined each year so that the highest economic return

    Jan 1, 2002

  • SME
    Applications of Wireless Indoor Positioning Systems and Technologies in Underground Mining: a Review - Mining, Metallurgy & Exploration (2021)

    By Rushikesh Battulwar, Javad Sattarvand, Joseph Seamons, Masoud Zare

    In the last decade, new developments took place in the area of indoor positioning (or localization). Since the Global Navigation Satellite System (GNSS) cannot be used in underground mines, other tech

    Sep 5, 2021

  • SME
    Donald E. Ranta: An Interview with the 2000 SME President

    Your assessment of the minerals business. The global mining industry is strong. I am convinced it will continue meeting the mineral needs of the world population for the foreseeable future. Two

    Jan 1, 2000

  • SME
    Origins Of Clay Minerals In The Molycorp Mine Goathill North Rock Pile, Questa, Nm

    By V. McLemore, N. Dunbar, K. Donahue

    There are three principle lines of evidence that indicate the clay minerals found in the Goathill North (GHN) rock pile at the Molycorp mine are predominantly a product of hydrothermal alteration, not

    Jan 1, 2007

  • SME
    Numerical Evaluation of Tunnel Lining in Visco?elastic creep active ground

    By Kyoosang Yoo

    The report presents the results corresponding to the analysis of a lining system for tunnels in soil and soft rock in creep-active ground. The purpose of the analysis is to evaluate the performance of

    Jan 1, 2010

  • SME
    More Than 1,200 Exhibitors on Hand at MINExpo 2004

    By Georgene Renner, William R. Yernberg, Steve Kral

    Allmand exhibited its LSC 100Light Sequence Commander, the mining industry’s first automatic lighting and command control system. The system is available with all of Allmand’s portable light towers.

    Jan 1, 2004