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  • SME
    Reducing The Fire And Explosion Hazards Of Flame Cutting And Welding In Underground Coal Mines - Preprint 09-007

    By W. D. Monaghan

    Flame cutting and welding is one of the major causes of fires and explosions in underground U.S. coal mines. On May 20, 2006, a flame cutting operation at the Darby Mine No. 1 led to an explosion tha

    Jan 1, 2009

  • AIME
    Economics of Coal for West Coast Power Generation

    By Claude P. Heiner

    While the title of this paper embraces the entire West Coast, the author, in the interest of simplification. has confined the discussion to California-particularly the central section. California&apo

    Jan 1, 1949

  • CIM
    Artificial Geo-Hydrological Zonation

    By J. A. López-Molina, S. García, V. Castellanos-Pedroza

    "Groundwater inflow into underground constructions may cause hazardous working conditions and environmental problems. It is essential to localize and characterize potential flow paths and to estimate

    Jan 1, 2015

  • NIOSH
    RI 8891 - Evaluation of a Gas-Assisted Cupola

    By Victor Spironello

    The Bureau of Mines is studying cupola ironmel technology with the objectives of conserving high-quality raw materials through substitution and productivity. In the research re-ported here, a ize was

    Jan 1, 1984

  • SME
    Mill Head Castings - Educating Opinions - Preprint 09-023

    By V. Svalbonas

    Everybody has an opinion what the quality of a grinding mill head casting should be, yet extremely few take the time, or get the opportunity, to compare their opinions against fitness-for-purpose data

    Jan 1, 2009

  • CIM
    Economic Considerations in the Production and Preparation of Coal for the Carbonization Market

    By Gerald Blackmore

    "This paper suggests that with the settlement of long-term contracts of fifteen years' duration, with prospects of extension, the coal mining industry has, for the first time, a complete commercial ju

    Jan 1, 1970

  • NIOSH
    RI 2341 Smokeless Fuel For Salt Lake City

    By G. J. Perrott, H. W. Clark

    During the course of the cooperative smoke abatement investigation carried on by the Bureau of Mines , the city of Salt Lake and the University of Utah during 1919-1920 , a study was made as to the su

    Apr 1, 1922

  • SAIMM
    The Production Of Refined Ferromanganese At Cato Ridge Alloys

    By R. Burger, M. Masukawa

    Cato Ridge Alloys (CRA) is a joint venture company between Assmang of South Africa, Mizushima Ferro Alloy Company (MZK) and Sumitomo Corporation from Japan. Negotiations for the forma

    Jan 1, 2004

  • NIOSH
    RI 4928 Progress Report on Pegmatite Investigations in South Dakota for Fiscal Year Ended June 30, 1951

    By D. H. Mullen, S. M. Runke, J. B. Cunningham

    "SUMMARYThe coarse-grained granitic pegmatities of the United States have long been a source of many important industrial minerals, because of this, they have been studied intensively by geologists, m

    Dec 1, 1952

  • NIOSH
    RI 9290 - Shield Mechanics and Critical Load Studies for Unsymmetric Contact Configurations

    By T. M. Barczak

    This U.S. Bureau of Mines report investigates shield mechanics and component stress development in a two-legged longwall shield for unsymmetric canopy and base contact configurations. Previous studies

    Jan 1, 1990

  • CIM
    CIM Environmental, Social and Governance Guidelines for Mineral Resource and Mineral Reserve Estimation

    By CIM Environmental, Social Responsibility Society

    Within the mining industry, the pathway from exploration, to planning, construction, operation and closure has become more complex over the last few decades. The current financial, environmental and s

    Sep 8, 2023

  • SAIMM
    Nitriding Of Ilmenite And High-Grade Slag Fines ? Synopsis

    By D. S. van Vuuren

    Titanium bearing resources can selectively be chlorinated at temperatures below 200°C if the Ti02 in the feed is nitrided before chlorination. However, the nitriding reaction is highly endothermic, re

    Jan 1, 2011

  • AUSIMM
    Coated Gold from Cobar, New South Wales

    By Edwards A. B

    A table concentrate obtained experimentally by the New Occidental Gold Mines N.L. has unusual interest on account of the presence in it of abundant coated or "black" gold. The concentrate wa

    Jan 1, 1941

  • NIOSH
    RI 9133 - Coreduction of TiCI41 AICI31 and VCI4 To Produce Titanium Alloy Sponge

    By Davis E. Traut

    TiC14, AIC13, and VC14 were coreduced simultaneously via a Kroll-type magnesium reduction to form an alloy sponge as part of a research effort by the Bureau of Mines to produce titanium alloy powder.

    Jan 1, 1987

  • SAIMM
    The Importance Of Coal - And Coke Properties In The Production Of High Silicon Alloys

    By T. Lindstad, V. Myrvågnes

    In the production of high silicon alloys, carbonaceous materials like coal, coke, charcoal and woodchips are utilized as reducing agents. Primarily based on historical prices of charcoal compared to f

    Jan 1, 2007

  • NIOSH
    RI 4068 Catron and Sierra Counties Tin Deposits, N. Mex

    By P. L. Russell, M. E. Volin, F. L. C. Price, D. H. Mullen

    Tin deposits in Catron County, New Mexico, were explored by the Bureau of Mines under authority of the Strategic Minerals Act of August 1939. The investigation covered both lode and placer deposits an

    May 1, 1947

  • CIM
    Commissioning and Operating Experience with Gekko’s Gold Ore Treatment Plants

    By Tim Hughes, Steve Gannon, Jennifer Abols

    "In the past year, two very innovative gold ore processing plants have been designed, built and commissioned by Gekko Systems Pty Ltd. The first plant in Vietnam utilizes conventional crushing and bal

    Jan 1, 2007

  • TMS
    Metallurgical Considerations For Recycling Siliceous- Bearing Materials In The Mitsubishi Continuous Copper Converter

    By Fumito Tanaka

    The Mitsubishi Process is the sole pyrometallurgical process for the continuous production of blister copper from copper concentrates. Continuous converting originates from the application of the pro

    Jan 1, 2005

  • NIOSH
    IC 9375 Longwall And Room-And-Pillar Productivity: A Review Of U.S. Coal Mines

    By Suresh K. Bhatt

    Although overall worker productivity for U.S. underground coal mines is available, productivity by mining method and seam thickness is not. Mining technology has gone through dramatic changes in the p

    Jan 1, 1994

  • AUSIMM
    Research on Reduction-Magnetic Separation of Bayan Obo Ore

    Research on Reduction-Magnetic Separation of Bayan Obo Ore

    Sep 13, 2010