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  • SME
    Rhenium in Molybdenite: a Database Approach to Identifying Geochemical Controls on the Distribution of a Critical Element Mining, Metallurgy and Exploration

    By Isabel F. Barton, MarkD. Barton, Christian A. Rathkopf

    Molybdenite is the world’s principal source of rhenium (Re), a critical element in multiple high-tech applications. However, the Re contents in molybdenite vary by orders of magnitude on scales rangin

  • SME
    Coal: Persistent Problems Delay Boom Era

    By Dennis Keay, Barbara Schickner, P. L. Longenecker, Glenn J. Philips, Lee Rice, Herman E. Knight, Wayne E. Veneman, B. W. Washington, Robert S. Hess

    The outlook for coal continued to improve in 1980, fueling expectations that a long-awaited boom is at hand. The surprising surge in coal exports contributed to the latest wave of optimism. Overseas e

    Jan 5, 1981

  • SME
    Advances in Industrial Ball Mill Media Sizing

    By T. P. Weldum, W. Conger

    "These studies address the relationship between mill media sizing and its grinding efficiency. Starting with the results from a review of the literature, the issues of initial media sizing for a new b

    Jan 1, 2018

  • SME
    A Large Eddy Simulation Model of Air Flow and Pollutant Transport in a Deep Open Pit Mine Under Arctic Inversion

    By K. V. Raj

    As open pit mines continues to grow deeper, managing air pollution can become challenging. During arctic air inversion, the temperature of the air over the mine increases with altitude, and the cold,

    Feb 23, 2014

  • SME
    Hydraulic Maintenance Of A Continuous Mining Machine Using Diagnostic Expert System Techniques

    Machine breakdowns and maintenance delays are large contributors to lost production and increased operating costs in the mining industry. The U.S. Bureau of Mines is investigating the applications of

    Jan 1, 1990

  • SME
    An Empirical Model for Accurate Prediction of Yield Stress by Slump Flow Based on a Mini‑cylindrical Mold - Mining, Metallurgy & Exploration (2023)

    By Aixiang Wu, Minjie Zhang, Zhuen Ruan, Yiming Wang

    This paper combines theoretical and experimental analysis to conduct relevant research to improve the accuracy of predicting paste yield stress by slump flow. The analytical model of slump flow for yi

    Jun 1, 2023

  • SME
    Exploring worker experience as a predictor of self-reported routine and nonroutine safety performance in the mining industry

    By CASSANDRA L. HOEBBEL, Emily J. Haas, MARGARET E. RYAN

    Researchers examined datasets from two separate studies that measured common demographic variables but different safety performance outcome variables. Of specific interest was how types of experience

  • SME
    Incentive Pay System At The Homestake Mining Company

    By Joel K. Waterland

    The Homestake Mining Company at Lead, South Dakota is one of the few remaining gold properties still in operation, in this country. The mine is relatively deep, with a bottom production level of 42

    Jan 1, 1960

  • SME
    Technical Review Of Mine Development

    By D. Tolgyesi, L. P. Gignac

    Mine development has evolved in the past 15 years from a human-paced system using hand-held drills and track-bound equipment to a mechanized system using specialized equipment for each component of th

    Jan 1, 1983

  • SME
    Case Study Of The Conda Partnership's Dry Valley Phosphate Mining Project ? Introduction

    By Mark A. Krall

    The Conda Partnership's Dry Valley Phosphate mine is a thinly bedded, multiple seam, open pit mining operation where selective mining techniques are used to recover phosphatic shales. The mining

    Jan 1, 1984

  • SME
    State-Of-The-Art Of High Capacity Shiploading Systems - The Rationale For High Capacity

    By Paul Soros

    There has been a steady increase in shiploading capacities in the last 20 years. One of the reasons has been the general increase in ship sizes, with the largest vessels currently around 280,000 DWT i

    Jan 1, 1982

  • SME
    Out of the comfort zone: Quantifying country risk for foreign mining project investment feasibility

    By MATT RENAUD, Mustafa Kumral

    Mining corporations have spread their operations worldwide in the last few decades. The reason behind widening operations geographically can be seen as it being part of a risk diversification strategy

  • SME
    Classification Of Rock Masses To Distinguish Self-Supporting Tunnels From Those Requiring Support ? Introduction

    By Nick Barton

    The ability to estimate that support is unnecessary for various dimensions of opening in certain rock mass environments is of particular relevance in the mining industry, where most excavations are no

    Jan 1, 1975

  • SME
    Mining And Ore Control Procedures At Gold Fields' Ortiz Mine

    By David M. Rubio

    The Ortiz Mine is an open pit-heap leach gold operation in central New Mexico processing about 3,100 tonnes (3,400 short tons) per day. It is the initial mining property in the United States developed

    Jan 1, 1984

  • SME
    Agglomeration And Utilization Of Coal Fines

    By C. A. Holley

    The generation of coal fines is a growing problem which has serious environmental and resource recovery Impact. Several methods of agglomeration are studied including the production of briquettes for

    Jan 1, 1986

  • SME
    Dolph Abandoned Mine Fire Control Project

    By Thomas A. Gray

    The Dolph Mine fire site is located in Lackawanna County, PA, approximately three miles northeast of the city of Scranton. The fire was burning in both coal refuse (culm) and underground anthracite mi

    Jan 1, 2009

  • SME
    Correlations Of Grinding Mill Structural Design Procedures (PREPRINT NUMBER 92-194)

    By V. Svalbonas

    When the Trelleborg Divisions of Boliden Allis and MPSI merged, a unique opportunity occurred for two independent mill fabricators to compare various design procedures and the research upon which they

    Jan 1, 1992

  • SME
    Experimental Study on Influence of Additional Stress Induced by Hydrophobic Drainage on Vertical Shaft‑Lining - Mining, Metallurgy & Exploration (2023)

    By Xiaohong He, Qing Yu, Kaixiang Zhang, Rui Guo, Minghua Lin, Haoyu Miao

    With the increasing depth of coal mining, the coal mine shaft traverses’ strata conditions become more and more complex. Shafts are often located in deep thick strata with unstable aquifers, and coal

    Mar 16, 2023

  • SME
    Easy Areas for Improvement and Good Ideas I've Seen When Reviewing Plant Operations-From a Prominent Consultant in Base and Precious Metals

    By Terry McNulty

    DOUG HALBE: I've decided that we're going to change tactics here and we're going to be nice to people from now on. [Co-chair makes gesture of intense disbelief; laughter] I've also

    Jan 1, 1998

  • SME
    Selection of TBM Backup Systems

    By Anthony J. Peach

    With the new generation of so called "Super TBM", we would all expect to witness the implied super-performance. In some instances this is occurring, but one must ask why is it not occurring in the maj

    Jan 1, 1995