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  • SME
    Productivity and Flexibility of Bucketwheel Excavators and Overland Conveyor Systems

    By H. Michael Breza

    Texasgulf Inc. installed bucketwheel excavators and overland conveyor sysems at its Aurora, NC phosphate mine o increase the productivity and flexibilty of the surface mining operation. This ;ystem ha

    Jan 1, 1993

  • SME
    Concentrations and fractionation of REEs in marine ferromanganese crust deposits controlled by water depth

    By Andrea Koschinsky, Peter E. Halbach, Margret Halbach, Andreas Jahn

    "Ferromanganese crusts contain hydrous Mn and Fe oxides as main metal compounds together with some economically interesting minor elements such as Co, Ni, Ti and Cu and trace metals such as Mo, W, Nb,

    Sep 1, 2014

  • SME
    Subsidence Impacts On Infrastructure And Drainage: Reestablishing A Stable Channel Using Geomorphic Design Principles

    By G. Krogman, C. Walla, B. Wood

    The Gebo Mining District (District) is located in the Bighorn Basin of Wyoming. Commercial underground coal mining began in 1906 with the arrival of the railroad in Thermopolis, which is located appro

    Jan 1, 2006

  • SME
    Optimizing Usage Of Installed Size Reduction Power At Minera Peñasquito

    By S. Dixon

    The Peñasquito deposit in Mexico is one of the largest grassroots precious metal discoveries developed in recent years. Goldcorp Inc. acquired the gold-silver-lead-zinc property with the acquisition o

    Jan 1, 2012

  • SME
    Oil Agglomeration And Its Effect On Beneficiation And Filtration Of Low-Rank/Oxidized Coals

    By Z. Yu

    Low-rank/oxidized coals respond poorly to oil agglomeration. Emulsification of kerosene in the presence of surfactants dramatically reduces the size of the kerosene droplets. While this dramatically

    Jan 1, 2000

  • SME
    Skill, Talent and Future Leaders in a Candidate-Deficient Market

    By Leigh Freeman

    This article provides an overview for a series of leadership development workshops offered through the SME Young Leaders Program. The first of these workshops, “Accelerated Development Plan,” will be

    Jan 1, 2006

  • SME
    Construction Of Drilled Shafts For The Upper Northwest Interceptor, Sections 1&2 Project?Sacramento, CA

    By Jeremy Theys

    The Sacramento Regional County Sanitation District (SRCSD) is improving the sewer system in the Natomas area of Sacramento, CA. The Upper Northwest Interceptor (UNWI) system is an ongoing series of tu

  • SME
    A Dissolution Kinetic Model For Metal Powders A Case Of Varying Surface Area

    By Kenneth N. Han, Peter Nam-soo Kim

    A kinetic model for leaching of particulate metals in a batch system has been developed. The leaching mechanism has been analyzed by solving a series of ordinary differential equations relating hetero

    Jan 1, 2005

  • SME
    Pit slope monitoring and back analysis of the Berkeley pit

    By W. C. Goldberg, E. M. Frizzell

    Monitoring slope displacement in open-pit mines can help predict collapses and prevent serious damage, injuries, and fatalities. Early detection of movement may indicate the need to modify slope geome

    Jan 1, 1989

  • SME
    Influence Of Environmental Regulations On The Design Of Barrick Goldstrike’s Roaster Off-Gas Cleaning Circuit (59b0e343-de58-4518-9d0e-e7d0bcede677)

    By A. Cole, F. Porretta

    Barrick Gold recently implemented an oxygen roasting process to treat carbonaceous ore from its Goldstrike property in Nevada. One of the key project challenges was the design of the roaster gas clean

    Jan 1, 2002

  • SME
    Possibilities of utilizing mineral wastes in Hungary

    By I. Gombköto, J. Bohm

    "In Europe, and therefore in Hungary opening a new mine is harder and harder. Depletion of mines, unfavourable legal and economic changes, and growing public concerns are the main reasons. Social and

    Jan 1, 2011

  • SME
    Sonic drilling at Rio Tinto’s ilmenite deposit in Madagascar

    By Daniel Saint Don, Jacques Dumouchel

    QIT Madagascar Minerals (QMM)’s heavy mineral sand deposit located near the Village of Fort Dauphin, Madagascar was recently drilled using Boart Longyear Company’s Mini-Sonic drill. Continuous sand c

    Jan 1, 2005

  • SME
    The Basic Significance Of The Hydrophile-Lipophile Balance For Ionic Surfactants

    By I. J. Lin

    The effect of various types of structural modification on the critical micelle concentrations (CMC) and hydrophile lipophile balances (HLB) of certain surfactants has been considered. Using the con

    Jan 1, 1973

  • SME
    Production Of Lightweight Aggregate From Waste Materials (ee2a87da-befe-4bad-915f-b20cc6432f6f)

    By M. H. Weinecke, B. P. Faulkner

    This paper will discuss the process for making lightweight aggregate, the waste materials that make good lightweight aggregate, the chemistry of making lightweight aggregate and finally a discussion o

    Jan 1, 2001

  • SME
    Accelerated Weathering Of Limestone For CO2 Mitigation Opportunities For The Stone And Cement Industries - Preprint 09-045

    By W. H. Langer

    Large amounts of limestone fines coproduced during the processing of crushed limestone may be useful in the sequestration of carbon dioxide (CO2). Accelerated weathering of limestone (AWL) is proposed

    Jan 1, 2009

  • SME
    A Billion Dollar Success Story Remediation And Rebirth Of The Omaha, NE Riverfront

    By J. M. Dempsey, R. A. Litle

    Asarco Incorporated’s Omaha, Nebraska refinery site and the City of Omaha’s downtown redevelopment projects are the perfect example of the marriage of the Brownfield and Sustainable Development strate

    Jan 1, 2004

  • SME
    Quantitative Mineralogical Study Of Ore Domains At Bingham Canyon, Utah, USA ? Introduction - Preprint 09-108

    This geometallurgical study examines the gangue mineral variability at the Bingham Canyon porphyry copper mine in Utah. Understanding an orebody?s mineralogy is important for mine and mill planning be

    Jan 1, 2009

  • SME
    No. 7 subway line project advances with Atlas Copco rigs and tools

    By Scott Ellenbecker

    Soon New York City will have a new train station. A tunnel project is under construction to extend Line 7 to a new station that is located near the Jacob K. Javits Con-vention Center. This is also par

    Jan 3, 2010

  • SME
    Mining Foundation of the Southwest Honors its 2004 Inductees

    The 22nd Annual American Mining Hall of Fame Awards Banquet sponsored by the Mining Foundation of the Southwest will be held at the Westin La Paloma in Tucson, AZ on Saturday, Dec. 4, 2004. This ye

    Jan 1, 2004

  • SME
    Geometallurgy For A Two Recovery Process Operation ? Cripple Creek And Victor Gold Mine, Colorado

    Cripple Creek and Victor Gold Mine is an epithermal gold deposit located in the Rocky Mountains of Colorado. Surface operations are continuing along with an expansion for an onsite mill to take place

    Feb 27, 2013