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  • NIOSH
    IC 7741 Drill-Dust Collectors Approved By The Bureau Of Mines As Of January 31, 1956 ? Introduction

    By C. W. Owings

    One phase of Bureau of Mines health and safety work is promotion of the use of safe and effective dust-collecting devices in connection with rock drilling in coal mines. To insure that adequate equipm

    Jan 1, 1956

  • SME
    Designing the Alaskan Way Tunnel to Withstand a 2,500-Year Earthquake

    By Gordon T. Clark, James R. Struthers, Celal Kirandag

    INTRODUCTION Project Background The Washington State Department of Transportation (WSDOT) hired the Seattle office of Parsons Brinckerhoff to lead a team of consultants to produce an Environ-men

    Jan 1, 2007

  • CIM
    An undergraduate pilot plant experience

    By L. J. Heaslip, J. M. Toguri, T. R. Meadowcroft, R. L. Addinall

    """Pilot Plant Operations"" is a final-year core course given to the Metallurgy and Materials Science students at the University of Toronto. This course involves a laboratory study of an industrial pr

    Jan 1, 1980

  • SAIMM
    The Economics of Exhaustible Mineral Resources—Concepts and Techniques in Optimization Revisited

    By C. Hutton

    "SynopsisThe last commodities supercycle (2003 to 2011) was characterized by a belief in volume at any cost, where absolute output was deliberately prioritized over productivity considerations. This p

    Jan 1, 2015

  • SME
    Construction of I-90 Highway Tunnels Under Boston’s South Station Rail Yard by Box Jacking

    By Peter van Dijk, Gary Almeraris, Philip Rice

    This paper describes the Contractor’s value engineering design and the construction of the Interstate I-90 highway tunnel sections under the South Station railroad yard in Boston, MA for the Central A

    Jan 1, 2001

  • CIM
    Production Trends and Economic Characteristics of Canadian Gold Mines

    By M. Doggett

    All 231 Canadian primary gold mines that produced from 1946 to 2004 were analyzed with respect to their production and economic characteristics. Trend analysis revealed that the average annual capacit

    Jan 1, 2007

  • CIM
    Pilot-Scale Frother Testing at Highland Valley Copper

    By S. D. D. Welsby

    "A pilot-scale flotation column was used to evaluate four polyglycol frothers at Teck’s Highland Valley Copper Mine. The column was fed with flotation plant feed from the grinding circuit cyclone over

    Jan 1, 2014

  • CIM
    The Sedex deposits of Selwyn Basin: A Summary Analysis of Factors that must be Addressed for the Successful Development of a World Class Metallogenic Belt

    By Neil Westoll

    But First, An Overview of the Selwyn Basin and Its Resources ?World-renowned sedimentary-exhalative (SEDEX) deposits of zinc, lead, silver +/-barite ?Significant reserves/resources remain and vast t

    May 1, 2006

  • SME
    Tunnel Construction in Difficult Site Condition for the Longest Highway Tunnel in Himalayan Ranges—India

    By Alok Garg, Rajeev Kumar Dayal

    The Himalayan ranges have complex geological formation induced with locked up tectonic stresses and squeezing ground conditions. High overburden, steep slopes, perennial snow, and forest cover restric

    Jan 1, 2001

  • DFI
    Dynamic Pile Testing In Soils Exhibiting Set-Up - Introduction

    By Juan M. Antorena

    A dynamic testing program was performed to evaluate installation procedures, assess capacity of 610-mm (24-inch) diameter open ended steel pipe to evaluate set-up and provide minimum pile tip elevatio

    Jan 1, 1995

  • NIOSH
    RI 7220 Load Loss From Rock-Bolt Anchor Creep

    By Edward W. Parsons

    To determine in what part and to what extent creep or movement exists in an installed rock-bolt anchor and the effect of the creep or bleedoff on the tension load on a rock bolt, as well as the effect

    Jan 1, 1969

  • SAIMM
    Predicting the probability of Iron-Rich Ultramafic Pegmatite (IRUP) in the Merensky Reef at Lonmin’s Karee Mine

    By D. Hoffmann, S. Plumb

    IRUP is an iron-rich ultramafic pegmatite rock that formed due to hot ironrich fluids and gases replacing local stratigraphic zones of the Bushveld Complex. This study focuses on the estimation of the

    Jan 1, 2015

  • SME
    Effect Of Grinding Media Shapes On Breakage Distribution Function - Introduction - Preprint 09-128

    By H. Ipek

    Industrial grinding machines used in the mineral processing industries are mostly of the tumbling mill type. These mills exist in various types: ball, rod, pebble, autogenous, and semi-autogenous. Bal

    Jan 1, 2009

  • SME
    Satisfying information requirements on mineral extraction by applying Earth Observation methods: First results from EO-MINERS

    By W. E. Falck, A. Usubiaga, J. Spangenberg, P. Schepelmann, S. Šolar, D. Wittmer, F. Blanchard

    The extraction and processing of mineral resources may be accompanied by environmental impacts. In spite of technological advancements, the enormous increase in production volumes within the last deca

    Jan 1, 2011

  • SAIMM
    Impact of deep-hole opencast blasting on the stability of water dams of a close-by underground coal mine ? Synopsis

    By C. Sawmliana

    Deep-hole blasting operations in opencast mines are always associated with some annoyance to the surrounding areas in terms of ground vibration, noise, flyrock, etc. These become more severe when unde

    Jan 1, 2009

  • SAIMM
    What is driving the development of integrated technical enterprise systems in the mining industry?

    By I. Jones

    Geologists, engineers, technicians and surveyors have successfully utilized technical software in the mining industry for over 30 years. Software for processing survey, geology, mine engineering and p

    Jan 1, 2003

  • NIOSH
    RI 6056 Measuring Changes In Pillar Strain During Pillar Recovery - Experiments In A New Mexico Uranium Mine

    By W. L. Dare

    Tri-axial strains in pillars, created by pillar robbing, were measured in an experiment at the Dysart No. 1 uranium mine near Grants) New Mexico. At this mine, room-and-pillar stoping is used on the a

    Jan 1, 1962

  • NIOSH
    IC 8212 Subsurface Disposal Of Industrial Wastes In The United States (c80b6827-b919-45ee-83ab-db0c746b2c5d)

    By Erle C. Donaldson

    A study of subsurface waste disposal in the United States shows that in eight States a wide variety of industrial wastes are being injected into formations ranging in age from Precambrian to Recent. M

    Jan 1, 1964

  • NIOSH
    IC 8212 Subsurface Disposal Of Industrial Wastes In The United States

    By Erle C. Donaldson

    A study of subsurface waste disposal in the United States shows that in eight States a wide variety of industrial wastes are being injected into formations ranging in age from Precambrian to Recent. M

    Jan 1, 1964

  • CIM
    Laboratory Testwork of Mixed Xanthates for the Raglan Ore

    By Norman O. Lotter, Simon Yu, Tony Deng, Antonio Di Feo

    "Xstrata Nickel’s Raglan operation, northern Québec, achieved paymetal recovery gains in 2007 by switching the collector from potassium amyl xanthate to sodium isobutyl xanthate. To follow on from tha

    Jan 1, 2010