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  • SME
    Rich Hill, Arizona: Historic Gold District, Modern Gold Rush

    By Erik Melchiorre, M. Katherine Crombie, Dante Lauretta, Chris Gholson

    Rich Hill, also known as Weaver District No. 2, is among the most productive placer gold locations in Arizona. Located near Congress, AZ (Fig. 1), this district hosted major placer rushes in the 1860

    Jan 1, 2003

  • SME
    General Legal Conditions for Land Reclamation

    By K. Freytag

    The extraction of lignite in open-cast mines has a severe impact on the landscape. Proper landscaping after the shut-down of the mines has always been the statutory responsibility of the mine operator

    Jan 1, 2005

  • SME
    Micro Tunneling 1.2-Mile, 72-In RCP With Crossings Of NJ Turnpike And CSX Railroads

    By Zhenqi Cai

    The ongoing Overpeck Valley Parallel Sewer Project of Bergen County Utilities Authority (BCUA), New Jersey, is a US $65 million CSO improvement program to meet a State DEP consent order by 2010. One m

  • SME
    Thermal oxidation of coal mine ventilation air methane

    By J. M. Somers

    Methane is a powerful greenhouse gas and the principal component of natural gas. Coal seams often contain significant quantities of methane, and underground coal mines must ensure that methane release

    Jan 1, 2009

  • SME
    Two Tunnels in Totally Different Geological Formations Driven by the Same 7M Double-Shield TBM with an Extremely Thin-Walled Monoshell Honeycomb Segmental Lining System

    By Wolfgang Guetter, Wolfgang Weber

    The upgrading project for two hydropower plants in Slovenia, Europe, requires two new pressure tunnels: Plave II (5.9 km Flysch) and Doblar II (3.6 km Limestone). It is the worldwide largest applicati

    Jan 1, 2001

  • SME
    Block Craving - General Description

    By Ray L. Tobie, Douglas E. Julin

    GENERAL DESCRIPTION Block caving is a distinct caving method applied mostly to large, massive, ore bodies because of its in¬herent low cost and high production capabilities. Areas of sufficient siz

    Jan 1, 1982

  • SME
    Excess Spoil Minimization And Fill Stability

    By M. Superfesky, P. Michael

    Introduction The US Office of Surface Mining (OSM) is proposing changes to the Code of Federal Regulations in the interest of minimizing the adverse effects of excess-spoil-fill construction on the

    Jan 1, 2007

  • SME
    Government and Miners Meet to Increase Indian Exploration and Mining

    By Andrew E. Nevin

    The government of India convened a precedent-setting meeting in New Delhi on Nov. 12, 2001.The meeting brought together regulators and the mining industry in an attempt to fix the industry’s mine deve

    Jan 1, 2002

  • SME
    Sustainable Change of Coal-Mining Regions Mining, Metallurgy and Exploration

    By Jürgen Kretschmann

    According to the model of product life cycles, the global coal mining industry is in the stagnation phase. The coal demand of the main consumer, China, has peaked in 2013 and is slowly declining. The

  • SME
    Geologic Data Collection and Assessment Techniques in Coal Mining for Ground Control

    By Mark Van Dyke, Ted Klemetti, Joe Wickline

    "The identification and mitigation of adverse geologic conditions are critical to the safety and productivity of underground coal mining operations. To anticipate and mitigate adverse geologic conditi

    Jan 1, 2019

  • SME
    Recycling for the recovery of critical metals from LiCoO2 cathode material through methanesulfonic acid-citric acid organic leaching system

    By Jaeheon Lee, Junmo Ahn, Jae-Yeon Kim, Yoo-Jin Kim, Jiajia Wu, Eun-Woo Kim, Jai-Won Byeon, Jun-Jae Lee

    The surge in demand for battery materials, coupled with environmental challenges linked to battery disposal, underscores the need to recycle spent lithium-ion batteries (LIBs). Green recycling approac

    Feb 1, 2024

  • SME
    Collaborative Strategic Research Initiatives: Their Benefits and Best Practice Approaches for Establishing the Same

    By Daniel Brutto

    "Environmental considerations are a key driver within marine mining consenting processes across different national and international legislative regimes and are critical in shaping the global public p

    Sep 1, 2014

  • SME
    Evaluation Of Phosphate Depressants In The Phosphate/Silica System

    By P. Zhang

    The use of phosphate depressants in the cationic flotation of silica from francolite in the Florida phosphate industry is rarely practiced. The occasional use of gelatinized starch derivatives and pH

    Jan 1, 2009

  • SME
    Cellular Acclimation Of Acidithiobacillus Ferrooxidans To Sulfur Biooxidation

    By C. -G. Zhang

    This paper presents the results of a study on cellular acclimation of Acidithiobacillus ferrooxidans to sulfur biooxidation in terms of cells growth and changes in surface properties and morphologies

    Jan 1, 2009

  • SME
    Design and construction of a surface air cooling and refrigeration installation at a South African mine

    Impala Platinum?s No.16 Shaft mine is currently under construction and is expected to reach full production of 256 500 tons per month by 2014. Mining will start at 1 260 m below surface with a maximum

    Jan 1, 2009

  • SME
    An Overview Of Gemstone Production In The United States

    By G. T. Austin

    This is an overview of the gemstone industry with special attention on particular states within the united states. The U.S. Bureau of Mines, Department of the Interior compiled and analyzed the inform

    Jan 1, 1995

  • SME
    Boart Longyear Coring Bits Pass Field Tests

    Using mines in Canada, Boart Longyear, a leading provider of drilling services and products, has put its Stage 3 Coring Bit to the test and each time the bit has passed the test with great success. A

    Jan 1, 2009

  • SME
    Predicting Oxygen Run-Out Times Of Self-Contained Self-Rescuers – Preprint 97-119

    By N. I. Aziz, I. Tague, P. Mackenzie-Wood

    The recent mine disasters in Australian coal mines have initiated an introduction of Self-Contained Self-Rescuer (SCSR) as component in the development of new escape strategies for miners. These self-

    Feb 24, 1997

  • SME
    Small footprint, big challenges: Design and construction of the Allen Park storage tunnel

    By Brain E. Gombos

    The Allen Park Sanitary Sewer Overflow (SSO) Tunnel and relief sewer project, located in the city of Allen Park, MI, is a long-term corrective action designed to bring Sanitary District One?s sanitary

    Jan 1, 2013

  • SME
    A Century of Research Leading to Understanding the Scientific Basis of Selective Mineral Flotation and Design of Flotation Collectors Mining, Metallurgy and Exploration

    By Douglas W. Fuerstenau, Pradip Pradip

    The design and development of selective flotation collectors has been the key to the remarkable success of flotation in beneficiating complex, difficult-to-process ores. Sustained research efforts in