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  • SME
    Specimen Mining at the Sweet Home Mine in Colorado’s Alma District

    By Paul Bartos

    Operations at the Sweet Home Mine transformed the mineral specimen industry, not only in the development of new innovative extraction techniques, but also in the fields of sample preparation and marke

    Jan 1, 2007

  • SME
    Numerical Evaluation Of Effectiveness Of Drainwells In Dewatering Overburden At Surface Coal Mines

    By R. L. Howell, L. C. Atkinson

    Typical sedimentary sequences overlying coal seams consist of interbedded sandstones, siltstones, shales, and rider coal seams. In many surface coalmine settings, these sediments are saturated; and p

    Jan 1, 2000

  • SME
    Life Cycle Assessment of Environmental Protection Measures: The Mining Industry as an Example

    By G. Deissman, S. Kistinger

    For the last 15 years environmental Life-Cycle Assessments (LCA) have increasingly been used to evaluate the environmental performance of industrial processes and products and have been employed as a

    Jan 1, 2005

  • 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
    Heavy mineral mining in the Atlantic Coastal Plain of Florida and Georgia and the chemical and physical characteristics of the deposits

    By F. L. Pirkle, D. L. Pirkle, E. C. Pirkle, W. A. Pirkle

    Heavy minerals have been mined from the sands of the United States’ Atlantic Coastal Plain since the early part of the twentieth century. Production of ilmenite from beach sands near Mineral City (Po

    Jan 1, 2005

  • SME
    Effectiveness of a water curtain utilized for dust control on continuous miner sections

    The Mine Safety and Health Administration (MSHA) conducted a respirable dust survey to evaluate the effectiveness of a water curtain utilized for dust control on continuous miner sections. The purpose

    Jan 1, 2009

  • SME
    Precious Metal Recovery Using Sluice Boxes in Alaska and Canada

    By James A. Madonna

    Information gathered while studying geological parameters that govern fine gold deposition in the a1luvial environment can be applied to the technological development and selection of fine gold recove

    Jan 1, 1988

  • SME
    Methods For Determining Roof Fall Risk In Underground Mines (e9e99c27-c4ac-4dc4-b19d-607c245139c5)

    By T. Bajpayee, L. Prosser, A. Iannacchione

    Reducing the number of roof fall injuries is a goal of the NIOSH mine safety research program. Central to this effort is the development of assessment techniques that will help to identify the nature

    Jan 1, 2007

  • SME
    Incorporation Of Silicate Buffering In Predicting Acid Rock Drainage From Mine Wastes: A Mechanistic Approach

    By A. D. Nicholson

    This paper presents an approach to quantitatively calculate the neutralization of acid by silicate minerals, based on the chemical kinetics of acid reacting with silicates. This approach incorporates

    Jan 1, 2002

  • SME
    Field Application of NTH Fracture Classification at the Second Manapouri Tailrace Tunnel, New Zealand

    By Don F. Macfarlane

    This paper describes the field application of the NTH fracture classification to rock encountered in the construction of the 9.6 km long, 10m diameter, Second Manapouri Tailrace Tunnel. Excavation of

    Jan 1, 2008

  • SME
    Initial Support Design for Tunnels in Horizontally Bedded Sedimentary Rock

    By Irwan S. Halim

    For tunnels in horizontally bedded rock, geologic factors affect the selection and design of the initial supports, including the rock propensity toward parting along bedding and the resulting high pot

    Jan 1, 2008

  • SME
    Strong reserve bases are key to oil companies surviving over the long-term

    By Wilfred P. Schmoe

    Introduction An integrated oil company has two options in approaching strategic planning. It has to decide whether it is in business for the long-term. I state this in all seriousness. Those who help

    Jan 6, 1985

  • SME
    Bulk Handling Technology; Designing for the Future by Innovating the Present (8e766dcb-a812-4d92-a1a4-f27669d112e3)

    By R. Todd Swinderman

    "Higher production demands across all bulk handling segments require increased efficiency at the lowest cost of operation, in the safest and most effective manner possible. As conveyor systems become

    Jan 11, 2018

  • SME
    Progress Report On The Old Bevier Passive Treatment Wetland, Macon County, Missouri

    By Kwang ‘Min’ Kim, Paul T. Behum

    The Old Bevier Aerobic Wetland in Macon County, Missouri, was constructed between 1990 and 1991 by the Missouri Department of Natural Resources’ Land Reclamation Program for the purpose of treating ac

    Jan 1, 2005

  • SME
    An Analysis Of Recent MSHA Accident Datafor Underground Metal Mines Using Backfill

    By J. B. Seymour

    This paper provides an overview of the current use of backfill for ground support in underground metal mines in the United States and a summary of recent accident data reported for these mines by the

    Feb 27, 2013

  • SME
    Sights and Sounds of the Second Mexican Mining Rail Excursion

    By Beth Robinson

    This first of two articles on the Second Mexican Mining Rail Excursion describes some of the more casual experiences participants enjoyed on last fall’s rail tour of major Mexican mining operations. I

    Jan 1, 1982

  • SME
    Maintenance Management: Minimizing Risk to Profitability

    By Paul D. Tomlingson

    Modern production equipment has been designed with greater productive capacity and higher reliability to meet the rigorous operating demands of the mining industry. These improvements have also made

    Jan 1, 2005

  • SME
    Water Tunnel Beneath New York Harbor

    By Mohammad R. Jafari

    The Camp Dresser & McKee (CDM)/Hatch Mott MacDonald (HMM) joint venture has been engaged by the New York City Economic Development Corporation (NYCEDC) to provide engineering ser-vices in connection w

    Jan 1, 2008

  • SME
    Cuprex – new chloride-based hydrometallurgy to recover copper from sulfide ores

    By Enrique Hermana, Raymond F. Dalton, Raymond Price, Barry Hoffman

    Introduction Chloride leaching of sulfidic ores has been known about for 100 years. It is recognized as a highly efficient process to produce concentrated leach solutions. Despite this, chloride leac

    Jan 1, 1988

  • SME
    The Ivar Project - An Uncommon, Everyday TBM Tunnel

    By Yngve Jordal, Sverker Hartwig

    The IVAR Project is Norway's largest sewer project presently under construction. One part of it is an 8.1 km (26 575 ft) long, 3.5 m (11 ft 6 in.) diam tunnel, bored in one year. The tunneling pr

    Jan 1, 1991