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  • SME
    Underground Mine Air and Strata Temperature Change Due to the Use of Refuge Alternatives Mining, Metallurgy and Exploration (90281dd3-2aab-47ab-9150-b1897bd40ef5)

    By M. A. Reyes, L. Yan

    Heat and humidity buildup withn refuge alternatives (RAs) may expose occupants to physiological hazards such as heat stress. The Mine Safety and Health Administration (MSHA) regulations require RAs in

  • SME
    Nuclear Energy Industry – Past, Present and Future

    By James J. Graham

    Uravan, Ambrosia Lake, Gas Hills and South Texas are all historic names in US uranium. These mining areas supplied the uranium that brought the United States into the nuclear age during the 1960s, an

    Jan 1, 2002

  • SME
    Enrichment of the manganese to iron ratio of ferruginous low- grade manganese ore using solid reductant

    By Y. V. Swamy, B. Bhoi, H. S. Ray

    Low-grade manganese ores with low Mn/Fe ratios can he enriched through selective carbon reduction of iron oxide to magnetite followed by magnetic separation o f the magnetite. Thermogravimetric ana

    Jan 1, 1999

  • SME
    Mining & Sustainable Development: A Red Dog Case Study

    By D. H. Horswill

    Red Dog, the world’s largest zinc mine, is located ninety miles north of the Arctic Circle in northwest Alaska on lands owned by the Inupiat Eskimo organization called NANA. NANA received a subsurfac

    Jan 1, 2000

  • SME
    Automatic Selection of Fragment Images From a Moving Conveyor Belt

    By W. X. Wang

    In the mining and quarry industries, rock fragments are often transported by conveyor belt. To estimate the qualities of the rock fragments (i.e., size distribution and shape), an operator must take

    Jan 1, 1996

  • SME
    Mining Company of the Future;Anglo American CEO Joins Group to Open Discussion

    By William Gleason

    The mining industry is at a crossroads. Currently, there is an estimated $25 billion worth of projects around the world that have been stopped as the consequence of a dispute or disagreement with thei

  • SME
    Murray Basin heavy mineral strandline deposit mineralogy

    By A. W. Popp

    After forty years of exploration and development, the heavy mineral sand deposits of the Murray Basin are on the eve of substantial exploitation by Iluka Resources Limited, Southern Titanium NL and RZ

    Jan 1, 2005

  • SME
    Signifcant developments in dry rare-earth magnetic separation

    By M. Dobbins

    The advent of the more efficient and effective rare-earth roll (RER) separator in the early 1980s began a new era of dry magnetic separation. The RER units quickly became the separator of choice withi

    Jan 1, 2010

  • SME
    Rational Design Of Yield Pillars: Improved Understanding Of Yielding Mechanism

    By K. T. Lee, M. U. Ozbay, M. D. G. Salamon

    Design of yielding chain pillars in deep coal longwall mines is not as well established due mainly to the lack of knowledge in the behavior of coal pillars in the post-peak regime. This study shows t

    Jan 1, 2001

  • SME
    Ground Freezing for Boston Central Artery Contract Section C09A4, Jacking of Tunnel Boxes

    By Paul C. Schmall, John F. Donohoe, Arthur B. Corwin, Derek Maishman

    Ground freezing was utilized to provide complete stability of the excavation face and complete groundwater cut-off for the jacking of the three tunnel boxes for the Interstate 90 / Interstate 93 appro

    Jan 1, 2001

  • SME
    Construction of a Low Rock Cover Cavern for the Neutrinos at Main Injector Facility

    By Bhaskar B. Thapa, Christopher Laughton, Michael P. Bruen

    At Fermilab, located in Batavia, Illinois, a 4,000-foot underground complex of tunnels and caverns is being excavated on a decline of six percent, at depths of up to350 ft, below grade. The site geolo

    Jan 1, 2001

  • SME
    Challenges And Triumphs Of A Large-Diameter Microtunnel Relief Interceptor Sewer In Indianapolis

    By Jeremy Morris

    The city of Indianapolis has more than 25,000 homes currently on septic systems. Many of these systems do not function well because of their age and surrounding soil conditions. As Indianapolis has wo

    Jan 1, 2011

  • SME
    The Role Of The MMAJ And The Activities Of The Japanese Mining Industry In Global Resources Development

    By H. Ikeda

    INTRODUCTION [Slide 1] The Role of the MMAJ Ladies & Gentlemen, it is a pleasure for me to be able to make a speech at this SME annual meeting, representing the Metal Mining Agency of Japan.

    Jan 1, 2001

  • SME
    Design And Construction Of Norad Expansion Project "Excavation Phase"

    By Gerald G. Griswold, Allan G. Provost

    INTRODUCTION The Norad Expansion Project was located 10 miles southwest of Colorado Springs, Colorado, within Cheyenne Mountain. The expansion areas to be excavated would be adjacent to the existin

    Jan 1, 1979

  • SME
    Final Tunnel Liner At The Mill Creek 3 Project

    By M. Schafer

    The 6-m- (20-ft-) diameter cast-in-place tunnel lining for Phase 3 of the Mill Creek Tunnel (MCT3) has been completed. This article summarizes aspects of liner design and ad-dresses the construction a

    Jan 1, 2008

  • SME
    Ground Control Monitoring System In Leeville Underground Mine - Preprint 09-063

    By C. Sun

    The Leeville underground mine has been in operation since 2006 and currently produces 3,200 tons of ore per day with an average gold grade of 0.4 opt. The mine has a large horizontal extent of 2,500 f

    Jan 1, 2009

  • SME
    Handling The Impacts Of Blasting On Grand Central Terminal For The MTA?s East Side Access Project

    By A. J. Thompson

    The Metropolitan Transportation Authority (MTA) East Side Access project (ESA) will, when it is complete, provide a new link to the east side of Manhattan from Long Island, NY that, linked with the Se

    Jan 1, 2012

  • SME
    Lineament Analysis: Identification Of Structural Controls On Ground Instability In Surface And Underground Mines (b5ba2cd3-4de8-4cb0-9e01-83ff5030f620)

    By S. E. Phillipson, P. L. Tyrna

    Lineament analysis, a remote sensing application for geological structures, has been criticized for reliance on subjective interpretations. The Mine Safety & Health Administration’s Roof Control Divi

    Jan 1, 2002

  • SME
    Tekflex As A Spray-On Screen Replacement In An Underground Hard Rock Mine (fe0b3806-09e4-4f12-957e-fdb8d742c7f8)

    By Michael Amick, G. Swan, R. Hill, C. Pritchard

    Falconbridge, a major base metal producer in the Sudbury Basin of Ontario, identified a need to find a safe and cost effective replacement for welded-wire mesh used to support loose ground during unde

    Jan 1, 2000

  • SME
    Reclaiming Steep-Slope Coal Mines In The Eastern US For Successful Reforestation

    A methodology has been developed and demonstrated to be effective in reclaiming surface-mined land for a forestry post-mining land use. The forestry reclamation approach (FRA) has been applied, almost

    Jan 1, 2011