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  • SME
    A Review Of The Programs And Activities Of The Generic Mineral Technology Center For Respirable Dust

    By Robert L. Frantz

    The U.S. Bureau of Mines (USBM) established on August 15, 1983, a Generic Mineral f Technology Center (GTC) for Respirable Dust within the Mining and Mineral Resources Research Institutes (MRIs) at Th

    Jan 1, 1986

  • SME
    Update On Development Of Mini-Disc Drill Bits (7d11ffca-1775-4354-8048-b0fdabbabc6d)

    By J. E. Friant

    The Mini-Disc TM cutter drill bit is a radical design departure from the traditional tri-cone rock drill bit. Miniature disc type cutting tools as small as 3.25 inches (82.5 mm) diameter are fitted to

    Jan 1, 1999

  • SME
    Geology and production of humate and weathered coal in New Mexico

    By G. H. Roybal, J. M. Barker

    Humate mining in New Mexico is a small industry [455 m3 (16,079 cu yd) valued at $395,894 for 1983] with three mines active in 1985. Either humate (carbonaceous claystones rich in organic matter) or w

    Jan 1, 1987

  • SME
    Borehole Logging, Structural Properties Of Rock And The Design Of Mine Openings

    By Hemendra N. Kalia

    To plan a safe and efficient coal mining operation, the design engineer should use all the available information regarding the property to be exploited. The reliability of the mining operation must be

    Jan 1, 1973

  • SME
    A Papermaker's Perspective Of Industrial Minerals For Paper

    By P. C. Clark

    This paper is an overview of the requirements and concerns for minerals and pigments used in papermaking. The first part of this paper deals with mineral or pigment filling in the actual papermaking p

    Jan 1, 1993

  • SME
    Prospects And Potential For Mineral Development In Haiti (411013c4-6714-497a-94c6-52b64c0b8c46)

    By K. Voltaire

    As can be guessed from the subtitle, this paper will not be a geologist's one since neither of the authors is a professional geologist. This will be an attempt to present the various aspects of t

    Jan 1, 1978

  • SME
    E-Power Pipe®: Two-Stage Trenchless Method for Long Drives in Small Diameters - NAT2022

    By Peter Schmäh, Tobias Engel

    The E-Power Pipe technology was originally developed for the trenchless installation of protective pipes and pipelines of 10" to 28" diameter, over long distances of more than 4,000 ft. The twostage p

    Dec 1, 2022

  • SME
    The Effect Of Overall Pit Slope And Pit Geometry On The Dispersion Of Pollutants In A Hypothetical Arctic Open-Pit Mine

    By A. Choudhury

    Deep open-pit mines are becoming increasingly common in the highly mineralized arctic and sub-arctic regions. Air inversion is a frequent occurrence in these regions, and is exacerbated by complex geo

    Feb 27, 2013

  • SME
    Geochemical Changes During In Situ Uranium Leaching With Acid (a4592f31-2d05-47a5-a09a-77aa1b2598a8)

    By Daryl R. Tweeton

    The Bureau of Mines measured the geochemical changes as H2S04 was used for in situ uranium leaching by Rocky Mountain Energy Company near Casper, Wyoming. Cores and ground water were analyzed before l

    Jan 1, 1979

  • SME
    Analysis of Heat Loss Mechanisms for Mobile Tent-Type Refuge Alternatives

    By P. T. Bissert, L. Yan, M. D. Klein

    "Federal regulations require that refuge alternatives (RAs) are located within 305-m (1000-ft) of the working face and spaced at one-hour travel distances in the outby area in underground coal mines i

    Jan 1, 2016

  • SME
    Influence of ventilating air temperature fluctuations on stress distribution around an airway in frozen ground

    The thermal field of a frozen rockmass surrounding an airway is often disturbed due to thermal interaction with mine ventilation air. Outside air entering an underground mine changes the parameters of

    Jan 1, 1991

  • SME
    Risk Mitigation In Global Mining Development

    By Wayne W. Murdy

    Since 1993, Newmont Mining has been growing through the development 'q of three major foreign mining operations with a fourth under construction. The first project, Yanacocha in Peru, began ope

    Jan 1, 1997

  • SME
    Planning Of Support Work In Underground Coal Mines Using MANSUPP (0730a175-0132-449a-a9c0-68a923e3ad35)

    By J. M. Dean

    The MANpower SUPport Program (MANSUPP), a part of the Mine Management Support System (MMSS), allows an underground coal mine site user to determine manpower requirements for production support work by

    Jan 1, 1992

  • SME
    Geology Of The Cove Gold-Silver Deposit

    By B. A. Kuyper

    The Cove gold-silver deposit is located 50 km southwest of Battle Mountain, Nevada and 1.5 km northeast of the McCoy Mine. Total proven and probable reserves are 48.7 Mt (53.7 Mst) with an average gra

    Jan 1, 1991

  • SME
    An Investigation Of Grout Penetration Depth In Fractured Rocks

    Grouting is mainly used to improve mechanical properties or decrease the permeability of rock mass around civil and mining projects. The purpose of this paper is to present the most effective factors

    Feb 27, 2013

  • SME
    Magnetic Separation Of Fine Mineral Sulphides Following A Leach Pretreatment To Enhance Magnetic Susceptibility

    By S. T. Hall

    The authors have previously described a method of enhancing the magnetic susceptibility of pyrite by a mild alkaline oxidative pressure leach (Hall et al, 1985). This finding was successfully applied

    Jan 1, 1985

  • SME
    Underground Movement And Subsidence Over United States Potash Company Mine

    By Earl H. Miller

    The United States Potash Company was the original discoverer and first producer of under-ground mined potash ore in North America and commenced active production of potash in 1931. In July 1956, the c

    Jan 1, 1958

  • SME
    Past And Present Trends For Mine Power Systems

    By John A. Dunn

    The history of underground coal mining has developed through the years from a manual digging and loading process to the highly mechanized pro- cess that it is today through the use of electric power.

    Jan 1, 1964

  • SME
    RIM: A Method Of Predicting Coal Seam Discontinuities

    By T. W. Lloyd

    Accurately predicting coal seam discontinuities is an important part of modern underground coal mining. Conventional methods of coal exploration sometimes fail to identify rapid variations that may s

    Jan 1, 1986

  • SME
    Advancements in Screen Surface Technology in Gold Processing Plants

    By M. Zaske, E. R. Mortensen

    "As mine operators continuously look for ways to improve functionality and increase the capacity of their facilities, existing process equipment is often pushed to and past its designed limitations. A

    Jan 1, 2015