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  • AIME
    McDermitt, Nevada - McDermitt Mine History Of Discovery

    By L. O. Storey

    The McDermitt mine was found as a separate mercury ore-bearing occurrence approximately 305 m (1000 ft) northeasterly and in a different geologic setting from the old Cordero mine, which had been the

    Jan 1, 1985

  • AIME
    Alternatives For Developing Country Mining Finance

    By Stephen Zorn

    INTRODUCTION The process of financing mining projects in developing countries has changed greatly in the past 15 years. New methods of financing, notably the use of syndicated Eurocurrency project

    Jan 1, 1985

  • CIM
    Coal mining in the Edmonton district

    By T. Patching

    "THE FOLLOWING notes on coal mining in the Edmonton city area are based, in the main, on scattered reports and accounts as little coal mining has been done in this area for about 20 years and few peop

    Jan 1, 1985

  • SME
    Alumina

    By W. D. Elston, A. E. McLaughlin, G. B. Hampton, W. L. Barham, J. F. Murphy, W. H. Cundiff, J. W. Mulloy, R. G. Breuer, J. W. Shaffer

    Introduction Alumina (aluminum oxide) is the material from which all the world's aluminum is produced. In the Western World, all the alumina is made from bauxite by the Bayer process. In t

    Jan 1, 1985

  • SME
    Preparing The Section Foreman For His Full Responsibilities (d286b901-c48c-461e-8c03-6c7625dfdf28)

    By R. L. Grayson

    The health and safety of employees, efficiency of the operating system and production are paramount goals in underground coal mining. The section foreman assumes responsibility for making his part of

    Jan 1, 1985

  • AUSIMM
    Presidential Address - 1985 Can Professionalism Survive in Our Changing Society?

    The society in which we live is one of change, and we professionals are part of that society. The importance of this simple and obvious statement is often overlooked. My Presidential Address examines

    Jan 1, 1985

  • NIOSH
    OFR-118-85 Development Of Self-Contained Self-Rescuer And Enhanced Electrical Hazard Training Material

    By Michael J. Klishis

    It was the goal of this project to develop training materials specific to two areas of the mining industry: (1) safe use and care of the self-contained self-rescuers, and (2) awareness and avoidance o

    Jan 1, 1985

  • NIOSH
    RI 8905 Sulfapave: Densifiable Sulfur Concrete Materials for Corrosive Environments

    By W. C. McBee

    Technology for the preparation of densifiable sulfur concrete (sulfapave) materials has been devised by the Bureau of Mines. The materials are intended as new construction materials for use in corrosi

    Jan 1, 1985

  • AUSIMM
    Development of Techniques for the Study of Flash Smelting Reactions Using Differential Thermal Analysis and Thermogravimetry

    By Davies S. G, Jayaweera A

    The oxidation of nickel sulphide and copper sulphide concentrates, and coal, has been studied under non-ignition and ignition conditions using Differential Thermal Analysis (DTA) and Thermogravimetry

    Jan 1, 1985

  • SME
    The Rate Of Pyrite Recovery During Coal Flotation

    By H. B. Oblad

    Coal/pyrite fines were froth floated in a laboratory cell to examine the rate of pyrite recovery during conventional coal flotation. The effects of collector, particle size and carbon to total sulfur

    Jan 1, 1985

  • NIOSH
    RI 8922 - Recovering Zinc-Lead Sulfide From a Geothermal Brine

    By L. E. Schultze

    The Bureau of Mines devised a technique to recover a Zn-Pb concen-trate from a geothermal brine. More than 99 pct of the Zn and Ph was precipitated by treating the brine with H2S and controlling the p

    Jan 1, 1985

  • SME
    Flocculation Kinetics Of A Bituminous Coal ? Introduction

    By K. N. Han

    Coal is becoming increasingly important as a major energy source in the face of the world's depleting energy mainly based on oil reserves. Coal is by far the most abundant fossil fuel both in the

    Jan 1, 1985

  • SME
    Mill Sizing For Phosphate Grinding In Mills Of 0.2 To 5 Meters In Diameter (d139b3f1-183b-4de8-a58f-300e7f63761f)

    By Reed S. C. Rogers

    The breakage parameters of phosphate ore were determined by batch first-order grinding studies in a laboratory ball mill according to the procedures described in the text by Austin, Klimpel and Luckie

    Jan 1, 1985

  • NIOSH
    RI 8992 - Exhaust Ventilation of Deep Cuts Using a Continuous-Mining Machine

    By Jon C. Volkwein

    The Bureau of Mines, Foster-Miller Inc., and Beaver Creek Coal Co. have evaluated the ability of a new system to ventilate a 40-ft-deep cut. A remote-control continuous-mining machine, in a 7-ft-thic

    Jan 1, 1985

  • CIM
    Silver Flotation from the Kidd Creek Grinding Circuit

    By W. M. Scheding

    "There has recently been a resurgence of interest in unit flotation of mill discharges. At the Kidd Creek concentrator, this technique has been successfully applied to silver flotation in a 3050 mtpd

    Jan 1, 1985

  • AIME
  • SME
    Productivity And Equipment Selection In Surface Mining Of Oil Sands

    By R. K. Singhal

    A variety of mining equipment is used in the mining of oil sands by surface mining. This includes bucket wheel excavators, draglines, hydraulic shovels and off-highway trucks. This paper examines the

    Jan 1, 1985

  • NIOSH
    IC 9029 Continuous Radiation Working-Level Detectors

    By R. F. Droullard

    The Bureau of Mines has used gross alpha and gross beta detectors to continuously measure radiation working levels for a number of years. During this time, improvements have been made in the design an

    Jan 1, 1985

  • AUSIMM
    Technical Note - Polygonal Blocks of Influence in Triangular Grids (7b8a5598-0e35-4903-9cf3-ac2957008841)

    Tasker (1985) has detailed the accepted practices for constructing polygonal blocks of influerrce in the estimation of ore reserves. Further he suggests that users might fall into traps such as omissi

    Jan 1, 1985

  • SME
    Overview Of Extenders And Fillers

    By James J. Fallon

    I'm glad this meeting is being held in New York. First, because the city is close to my home in New Jersey, only 35 minutes from Times Square ..... if I were to come to Times Square between two a

    Jan 1, 1985