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  • CIM
    The Amaranth Gypsum Deposit

    By G. M. Brownell

    Introduction Within the past year a new deposit of gypsum has been opened up and brought into production in the Province of Manitoba. Until 1930, Manitoba's entire production came from Gypsumvil

    Jan 1, 1931

  • NIOSH
    IC 8501 Availability Of Uranium At Various Prices From Resources In The United States

    By Carl L. Bieniewski

    In a Bureau of Mines supply evaluation, the known uranium resources in the United States are estimated to have a total recoverable uranium oxide (U3O8) content of 3,132,400 tons at prices up to $69.32

    Jan 1, 1971

  • SAIMM
    Univ CPT van der Westhuizen - Application of Components of Variance Analyses at ZincorZinc Refinery

    By Dave Deglon, Andrévan der Westhuizen

    Objectives ?Survey typical Met Accounting streams at the Zincor refinery ?Determine Precision in Metal Conc?s Measurements for Monthly Met Balance ?Determine the Components of Variance in th

    Jan 1, 2005

  • AUSIMM
    Limnological Processes in the Development of Acid Pit Lakes

    Limnological processes are often overlooked when trying to assess the long-term water quality of pit lakes. It is essential to deal with these aspects, since they determine the geochemical and redox c

    Jan 1, 2003

  • SME
    Utilizing Paste Technology For Reclamation Of The Ute-Ulay Upper Tailings Impoundments, Lake City, CO - Project Background

    By T. Tafi

    The Ute-Ulay project area is located approximately five miles west of Lake City, in Hinsdale County, Colorado. The Ute-Ulay Mine site is approximately one mile east of the project area. The elevatio

    Jan 1, 2011

  • NIOSH
    RI 3275 Progress Report - Metallurgical Division - 11. Studies On The Recovery Of Gold And Silver - Abstracts Of Papers In This Report ? Amalgamation And Cyanidation

    By Edmund S. Leaver

    The selection of a process for treating a gold ore is governed primarily by the characteristics of the ore under consideration. The form in which the gold occurs, its mode of association with other mi

    Jan 1, 1935

  • NIOSH
    RI 3275 Progress Report -Metallurgical Division 11. Studies On The Recovery Of Gold And Silver

    By Edmund S. Leaver

    The selection of a process for treating a gold ore is governed primarily by the characteristics of the ore under consideration. The form in which the gold occurs, its mode of association with other mi

    Jan 1, 1935

  • NIOSH
    OFR-126-81 Evaluation Of Control And Protection Circuits

    By E. C. Strycula

    Solid-state equipment offers a number of potential advantages in the coal mining industry. These advantages can only be realized, however, through careful and judicious design of the control and prote

    Jan 1, 1981

  • DFI
    Pressure-Grouting Improves Performance of Helical Piles: A Production Case History, Static Load Test Results, and Comparisons to Predicted Lateral Deflection and Axial Resistance

    By Karen J. Dawson, Francisco Johnson

    "Pressure-grouted high strength helical displacement piles are a recently developed pile type that can be useful in conditions where noise or vibrations must be low or where access or clearance is lim

    Jan 1, 2016

  • TMS
    Numerical Simulation of Molten Steel Flow under FC Mold Magnetic Field

    By Hwasoo Park

    Keywords: FC mold, Argon, Magnetic, Solidification Fluid flow plays a significant role for steel surface quality in continuous casting. Although water models are able to model fluid flow, the flow

    Jan 1, 2005

  • AIME
    New Haven Meeting

    THE Institute assembled in the library of the Sheffield Scientific School at 8 o'clock, Tuesday evening, February 23d. Prof. G. J. Brush greeted the members present on behalf of the Government of

    Jan 1, 1875

  • CIM
    Fractal Feature Research on Impact Fragments of Coalmine Deep Rock

    By Xiaozhu Chen, Qi Ping, Pu Yuan, Qinyong Ma

    "In order to investigate the fractal feature of coalmine deep rock fragments under impact loads, variable cross-section split Hopkinson pressure bar apparatus, 50 mm in diameter, was adopted to conduc

    Jan 1, 2015

  • IIMP
    Corimarca prospect: A new discovery

    By J. Gonzales, C. Chávez

    Este estudio se basa en un probable nuevo descubrimiento de un yacimiento de Au, en las rocas del volcánico Llallahui (Grupo Tacaza – Terciario Medio a Superior), que podría estar ligado a la ocurrenc

    May 1, 2008

  • ABM
    The Modular Stec-roll® - A Good Alternative To Existing Caster Rolls

    By Fabiano Soares

    Strand guide rolls in continuous casters are crucial components for guaranteeing an optimum process for the production of high-quality steel grades. The properties of these rolls greatly influence the

    Aug 17, 2017

  • NIOSH
    RI 2661 Exhaust Gases From Engines Using Ethyl Gasoline

    By B. G. H. Thomas, W. P. Yant, A. C. Fieldner, R. R. Sayers, W. J. McConnell

    "One of the outstanding problems confronting automotive engineers in attempting to construct motors of greater economy is that of eliminating the ""knock"" from the operation of the engine. Recent inv

    Dec 1, 1924

  • AUSIMM
    Progressing Cave Performance into the Later Stages of the Deep Ore Zone Mine

    By A M. Purba and A Sjadat, A D. Wilson

    Ongoing mining of the East Ertsberg Skarn System orebody below the Gunung Bijih Timur and Intermediate Ore Zone caves has been relatively successful and a ramp up to 80 000 t/d was achieved in the Dee

    May 9, 2016

  • NIOSH
    RI 2971 A System of Accounts for the Slate Industry

    By Oliver Bowles

    "Simple systematic accounting that adequately records all transactions has long been regarded as essential to the welfare of any business enterprise. Some of the defects that detract from the prosperi

    Nov 1, 1929

  • SME
    Electrical Default Detection on Downed DC Trolley Lines – Preprint 97-38

    By J. S. Peterson, G. P. Cole

    The National Institute for Occupational Safety and Health (NIOSH), Pittsburgh Research Center (PRC), has conducted research to improve electrical fault detection on coal mine direct current (dc) troll

    Feb 24, 1997

  • CIM
    Some Major Structures of the Canadian Shield

    By J. Tuzo Wilson

    Abstract A division of part of the Canadian Shield into provinces believed to represent former mountain belts is attempted, special emphasis- being laid upon radioactive age determinations, the rel

    Jan 1, 1949

  • AIME
    New Haven Meeting - February 1875

    The Institute assembled in the library of the Sheffield Scientific School at 8 o'clock, Tuesday evening, February 23d. Prof. G. J. Brush greeted the members present on behalf of the Government of