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  • SME
    Effects of Major Ions in Recycled Water on Sulfide Minerals Flotation

    By G. Bulut, Ü. Yenial

    "The use of recycled water in flotation has significant effects on flotation and selectivity because the recycled water contains many dissolved compounds and ions that alter the chemistry of the syste

    Jan 1, 2016

  • SME
    Addressing Mine-Scarred Lands Using The Brownfields Law

    By K. M. Atencio, T. Pike, S. Forrest

    We will introduce the Small Business Liability Relief and Brownfields Revitalization Act, which is an amendment to CERCLA and the types of sites it includes and excludes, especially as related to mine

    Jan 1, 2004

  • SME
    Seepage Flux Conceptualized From Secondary Calcite In Lithophysal Cavities In Thetopopah Spring Tuff, Yucca Mountain, Nevada

    By J. F. Whelan, B. D. Marshall, Z. E. Peterman, J. B. Paces, L. A. Neymark

    Observations of calcite and opal in cavities in the unsaturated zone at Yucca Mountain indicate that: 1) seeps are not regularly spaced in underground workings and not all fractures sustain flow,

    Jan 1, 2000

  • SME
    Prevention and Remediation of Acid Drainage From Mine Waste Rock in Australia

    By Chris Joyce, Peter Ryan

    Investigation of the occurrence and significance of acid drainage from mine sites in Australia has received a degree of attention in recent years. For contemporary and future projects, particularly th

    Jan 1, 1991

  • SME
    Flowing And Raveling Clays

    By Roy J. Leonard

    Two small diameter sewer tunnel projects being hand dug under major highways in the Greater Kansas City area encountered problems which were unforeseen from the geotechnical engineering information su

    Jan 1, 1987

  • SME
    Recent Developments in Pressure Oxidation Treatment for Cannon Mine Concentrates (fc120084-4689-4c9e-b23e-9e33ffcd7654)

    By D. M. Larsen

    Since start-up in 1985, the Cannon Mine has produced and shipped a 170-g/ton (5 oz/ton) gold flotation concentrate to various smelters for gold and silver recovery. Several processes have been investi

    Jan 1, 1993

  • SME
    A Contracting Strategy for Managing Risk on Subsurface Projects Delivered Using Design-Build

    By David Corkum, David Hatem

    Subsurface construction projects are risky ventures and the decision to deliver a project using the Design-Build model does not eliminate those risks. Differing site conditions, inadequate design, and

    Jan 1, 2003

  • SME
    Assets That Can Become Liabilities

    By M. R. Leonard

    It is estimated that between 5 and 15 pounds of solid waste are generated monthly by each individual. Finding a final resting spot for such waste is an important matter. In the "good ole days," dumps

    Jan 1, 1974

  • SME
    The International Network for Acid Prevention - A Progress Report

    By Henry Brehaut

    The International Network for Acid Prevention (INAP) was formed in 1998 by 17 international mining companies to promote significant improvements in the management of sulphidic mine materials and the r

    Jan 1, 2000

  • SME
    A GIS-Based Study On The Reclamation Of Mined-Out Open Pits

    By M. Kyzeridi

    The paper presents a study on the reclamation of two mined-out bauxite open pits in the area of Kefali, Itea, Greece. The mining area has been reclaimed partially in the past, but its proximity to t

    Jan 1, 2002

  • SME
    Recent Developments In Pressure Oxidation Treatment For Cannon Mine Concentrates

    By D. M. Larsen, N. D. King

    Since start-up in 1985, the Cannon Mine has produced and shipped a 170-g/ton (5 oz/ton) gold flotation concentrate to various smelters for gold and silver recovery. Several processes have been investi

    Jan 1, 1994

  • SME
    An explanation of flocculation using Lewis acid-base theory

    By D. A. Stanley, B. J. Scheiner, P. M. Brown

    The Bureau of Mines (USBM), US Department of the Interior, has developed a method of dewatering clay slurries based on flocculation by high-molecular-weight polymers and water removal from the formed

    Jan 1, 1990

  • SME
    Mineral Liberation: A Population Balance Approach

    By Timothy J. Napier-Munn, David M. Weedon

    A model of mineral liberation was developed using back calculation techniques to determine breakage/liberation parameters in a similar manner to the way breakage parameters are determined in the Popul

    Jan 1, 1996

  • SME
    The Use Of NATM In Combination With Compressed Air And Ground Freezing During Vienna Subway Construction

    By Franz Deix, Bernd Braun

    A sensitive portion of Section U 6/3 of the Vienna, Austria subway system required construction of two single-track tunnels under a telecommunications facility, where strict ground settlement limitati

    Jan 1, 1987

  • SME
    A Large Underground Opening Measured Versus Predicted Rock Deformations

    By Norman F. Sweeney, H. John Hovland

    Over one million yards of granite were excavated for the Helms Pumped Storage Project, including a large underground powerhouse complex. Site investigations and in situ stress measurements were essent

    Jan 1, 1981

  • SME
    Management of Acid Drainage at Mining Facilities Using Dynamic Systems Modeling (DSM)

    By Jerry W. Danni, R. Craig Ford, Kermit C. Benke, Jim B. Finley, Donald D. Runnells

    Steady-state water balance models have historically been used in the management of acid drainage at mine sites. Such systems could be more realistically described by non-steady-state conditions. In ad

    Jan 1, 2000

  • SME
    Measurement of Oxygen, Temperature, and Geochemical Profiles in Sulfide and Oxide Waste Rock Dumps of Different Ages

    By S. Helgen, C. Byrns, A. Davis

    The 4000 acre historic Robinson Mining District outside Ely, Nevada hosts a continuum of oxidelsulfide waste rock dumps of different ages. In an effort to develop a paradigm to explain past, existing,

    Jan 1, 2000

  • SME
    Use Of Peat In Waste Treatment

    By T. Malterer, R. Adams

    Peat has unique physical, chemical and biological properties. These include high porosity and water retention, high absorption and adsorption properties, and high buffering capacity. In addition, peat

    Jan 1, 1997

  • SME
    Installation of a new surface fan at the Homestake gold mine

    By G. R. Struble, J. R. Marks, A. B. Brown

    The center of mining at the Homestake gold mine in Lead, SD, is moving deeper every year. As a result, it has become necessary to upgrade the ventilation system. This paper describes the first phase o

    Jan 1, 1987

  • SME
    Stochastic Approaches To The Characterization Of Rock Mass Properties

    By K. Kim, H. Gao

    A site-characterization strategy formulated for the probabilistic assessment of rock mass properties is presented. The strategy, which takes into account the variability of rock properties and the sto

    Jan 1, 1997