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  • SME
    Plant Practice in Iron Ore Processing

    By R. Bruce Tippin

    Background Iron ore is the No. 1 metal mining industry in the U.S. with dollar value of $2.3 billion in 1984 (U.S.B.M Mineral Commodity Sunnnaries , 1985). However, during the past decade this nat

    Jan 1, 1986

  • SME
    Scaleup of Pressure Oxidation Processes

    By D. D. Gertenbach

    "The successful commercialization of a pressure oxidation (POX) process for recovering metal values, including gold, copper, zinc, nickel and molybdenum, is the result of a carefully planned developme

    Jan 1, 2016

  • SME
    Mine Audits: Rights, Obligations And Pitfalls - Introduction

    By M. T. Webster

    Views about the proper aim of public policy are, of course, matters of perspective and debate. Regardless of perspective, one would assume some consensus around the view that public policy ought to e

    Jan 1, 2012

  • SME
    An Update On “The Good, The Bad, And The Ugly” Silica--Revisited

    By E. A. Metz

    It has been approximately four years since IARC reclassified crystalline silica as a “Group One” substance. Since that time, crystalline silica has been considered a human carcinogen. Silicosis i

    Jan 1, 2000

  • SME
    Are Estimators Getting It Right? Comparing Actual And Estimated Costs

    By J. Leinart

    As is readily apparent, the reliability of the early-stage costs estimated for any mining project are critical to the viability of that project. An estimate too high might leave a potentially profitab

    Feb 27, 2013

  • SME
    Robotic Application of a 50mm Thick Sprayed Concrete Fireproofing Layer

    By Eleanor Kentish, Edward Batty, Alan Skarda

    "The design of the tunnels at Bond Street Station includes a final sprayed concrete fireproofing layer. The performance of this layer was verified by a program of testing to Crossrail’s KT24 specifica

    Jan 1, 2016

  • SME
    Reconnecting Urban Landscapes Through Highway Lidding and Tunneling: A Comprehensive Study on Methodologies, Benefits, and Safety Considerations - NAT2024

    By Bernd Hagenah, Katie Theis, Cristina Lauzon, Petr Pospisil

    Lidding over or tunneling existing transportation infrastructure is currently under review in several U.S. cities. The main reasons for this are the use of the created space for urban development, the

    Jun 23, 2024

  • SME
    Enhancing Robotic Perception for Autonomous Roof Bolting Using an Event Based Machine Learning Framework - SME Annual Meeting 2024

    By Akram Marseet, Andrew J. Petruska, Rik Banerjee

    Underground mine roof bolting is a crucial operation for miners’ safety and mine sustainability. Since roof bolting is a manual or human-supervised operation, miners’ safety is at risk due to dust or

    Feb 1, 2024

  • SME
    What happened to my gold? Questions to ask

    By C. Roos

    Traditionally within the mining industry, the main functional process flow for resource and reserve evaluation proceeds from geologists who build the geological model, to resource estimation geologist

    Jan 1, 2014

  • SME
    Investigation of Climatic Conditions in Underground Coal Mining Mining, Metallurgy and Exploration (63acde09-eb8c-4eb1-b788-340f56a030a7)

    By İbrahim Çınar, Hakan Özşen

    Mine workers in heavy and dangerous work are under several physical risk factors, for example temperature, humidity, noise, vibration, lighting and air velocity. Thermal comfort includes parameters su

  • SME
    Demonstration Plant Test Results Of The Otisca Process Heavy Liquid Beneficiation Of Coal

    By D. V. Keller

    The use of a static bath of a heavy liquid of intermediate density between two mineral phases has been employed for beneficiation for over one-hundred years (1-6). In the case of the heavy liquid sepa

    Jan 1, 1977

  • SME
    Why Did It Fail?

    By William E. Robinson

    Why did it fail? My first reaction when assigned this topic was to say: because somebody "goofed"--then thank you all for letting me say those few words, then promptly sit down. All of you have been

    Jan 1, 1977

  • SME
    The 1980’s – Hard Times With a Golden Lining

    By William R. Yernberg

    The early part of the decade was marked by world-wide problems and economic difficulties. In 1980, President Jimmy Carter ordered the failed military mission to rescue hostages in the U.S. Embassy in

    Jan 1, 2007

  • SME
    A Technique For Obtaining Bulk Samples Of Coal From A Small Diameter Borehole

    By Colonel Oattis E. Parks

    The quantity of coal recovered by diamond coring techniques is not sufficient in many instances to make meaningful coking and/or ash fouling tests. Quantities in excess of that obtained by conventiona

    Jan 1, 1973

  • SME
    Theoretical And Practical Studies On Dump Leaching

    By Roshan B. Bhappu

    Although the economic importance of recovering copper by leaching of mine work dumps from open-pit operations has been realized for some time, serious attempts to understand and to improve such operat

    Jan 1, 1968

  • SME
    Mining Sites on Superfund's National Priorities List - Past and Current Mining Practices

    By Van E. Housman, Stephen D. Hoffman

    The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), also known as "Superfund", requires a listing of sites that have known releases or threatened releases of ha

    Jan 1, 1992

  • SME
    Glenbrook Nickel – Can New Caledonian Ore Save the Only US Nickel Producer?

    By Kerry Spickelmier

    The only nickel smelter and the only active nickel mine in the United States is Glenbrook Nickel Co., a joint venture (50% each) of Cominco Resources International Ltd. and Cominco Ltd. In 1989, with

    Jan 1, 1993

  • SME
    Four Mining Greats To Be Inducted Into The National Mining Hall Of Fame

    The National Mining Hall of Fame and Museum (NMHFM) in Leadville, CO will induct the class of 2011 on Sept. 10, 2011. Representing the coal, metallurgical/processing, research and development, marbl

    Jan 1, 2011

  • SME
    A Comparative Study Of Selected Rock Stress And Property Measurement Instruments ? Introduction

    By J. R. Hoskins

    Method - A direct approach to instrument users, initially by letter and later by telephone or personal contact was made. The resultant data was compiled to give specific use information on the seven i

    Jan 1, 1973

  • SME
    Recruiting Future Mining Engineers

    By P. Conrad, S. Rosenthal

    "Engineers remain in demand. Job opportunities in the United States still exceed the number of students graduating from college with degrees in Mining Engineering. Although enrollment is up for freshm

    Jan 1, 2015