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The Heavy Media Separation Coal Washing Plant at Lidsdale, New South Wales
The Heavy Media Separation plant operated at Lidsdale siding, eight miles from Lithgow, by the N.S.W. Mining Co. is a product of the Western Machinery Company, of D.S.A.This mill, designed to use fine
Jan 1, 1954
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Design Analyses for a Large-Span Tunnel in Weak Rock Subject to Strong Seismic Shaking
By Bhaskar B. Thapa
The proposed Caldecott fourth bore will consist of a two lane highway tunnel along California State Route 24 near the City of Oakland. The proposed design and construction sequence for the 15-m-diamet
Jan 1, 2008
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Mineral Commodity Summaries 1985 - An Up-To-Date Summary Of 87 Nonfuel Mineral Commodities ? Aluminum
1. Domestic Production and Use: In 1984, 12 companies operated 27 primary aluminum reduction plants, with 3 firms accounting for 57% of production. Washington, Oregon, and Montana accounted for 35% of
Jan 1, 1985
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Mineralogical Solutions For Pyrometallurgical Problems - Synopsis
By L. Andrews
Mineralogy, traditionally associated with concentrator studies, is being increasingly applied to problems in pyrometallurgy. Such investigations commonly make use of a number of techniques, and the re
Jan 1, 2011
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Modification and Enhanced Testing of Data Mining-Based Algorithm to Detect Subtle Errors in Temperature Sensors in Gold Stripping Circuit Mining, Metallurgy and Exploration (cca8e619-0fb1-422a-925d-6e04d2a067f5)
By Eduardo Pimenta de Melo, Rambabu Pothina, Rajive Ganguli
Sensors are everywhere in the mining industry, with sensor information being used to monitor and operate processes. Therefore, when sensor information is wrong, economic losses can occur. Unfortunatel
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OFR-33(2)-79 Application Of A Total System Surface Mine Simulator To Coal Stripping - Volume II - User's Manual For A Surface Mining - Materials Handling Simulator
By C. B. Manula
This report is mainly concerned with the modification and development of a users manual for the Open-Pit Materials Handling Simulator (OPMHS) developed at Penn State. Model Modifications included the
Jan 1, 1976
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Net Present Value Maximization Model For Optimum Cut-Off Grade Policy Of Open Pit Mining Operations ? Synopsis
The optimum cut-off grade policy maximizes the net present value (NPV) of an open pit mining operation subject to the mining, processing, and refining capacity constraints. The traditional approaches
Jan 1, 2011
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OFR-9(1)-72 Coal Mine Rescue And Survival System - Volume I - Survival Subsystem - Introduction - Contract Information
This volume constitutes the Survival Subsystem portion of the final report for the Coal Mine Rescue and Survival System (CMR&SS) program, which was conducted by the Westinghouse Electric Corporation u
Jan 1, 1971
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OFR-129-76 Ignition Suppression Device
By Will B. Jamison
An ignition detection and suppression system was developed under the scope of this contract. The objective of this machine mounted system was to detect flames caused by frictional sparking from the cu
Jan 1, 1976
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Industrial Minerals 1986 - Barite, Bauxite and alumina
By R. J. Anderson, A. V. Castelli
In 1986, United States' barite production fell 48.9%, consumption - sold or used by grinding plants - was off 47.3%, and imports were down 63.8%. Meanwhile, world mine production decreased 29.6%,
Jan 5, 1987
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Heap Leach Production Modeling: a Spreadsheet-Based Technique Mining, Metallurgy and Exploration
By John Marsden, Mike Botz
A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an
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Heap Leach Production Modeling: a Spreadsheet-Based Technique Mining, Metallurgy and Exploration (d0b07872-d76a-4d2f-9138-be0ecd526747)
By John Marsden, Mike Botz
A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an
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Heap Leach Production Modeling: a Spreadsheet-Based Technique
By John Marsden, Mike Botz
A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an
Sep 3, 2019
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IC 6785 Summary Of Ore-Mining Cost Data ? Introduction
By Chas. F. Jackson
During the past 5 years the Bureau of Mines has published information circulars dealing with mining methods and costs at 78 ore mines; 7 circulars, each of which is devoted to a discussion of one of t
Jan 1, 1934
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Gas-Phase Fluorination Kinetics Of Ta2O5 With Elemental Fluorine - Synopsis
By A. D. Pienaar
The aqueous chemistry of niobium and tantalum compounds with hydrofluoric acid is a mature field of investigation. In contrast, very little attention has been paid to reactions of these compounds in n
Jan 1, 2012
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OFR-166-81 Delineation Of Geologic Roof Hazards In Selected Coal Beds In Eastern Kentucky With Landsat Imagery Studies In Eastern Kentucky And The Dunkard Basin
By David K. Hylbert
This study investigated stratigraphic and structural causes of roof falls in room-and-pillar drift coal mines in nine mines in eastern Kentucky. A contract modification provided for remote sensing stu
Jan 1, 1980
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Underground storage in Sydney, some uncommon rock mechanics features of an uncommon project in Australia
By N. Gatelier, T. You, J. C. Kandel
ABSTRACT: Underground hydrocarbons storage is a very specific domain for the designer. He is usually free to adjust the section, shape and layout to cope with the geological and geotechnical condition
Jan 1, 2003
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Review Of Literature On Effects Of Breathing Dusts With Special Reference To Silicosis - Introduction
By D. Harrington
Dust diseases are much before the public at present, but little reliable information on the subject is readily available to the layman; even those rated as experts usually have a more or less theoreti
Jan 1, 1937
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Development of a High-temperature Micro-indentation Technique for Material Mechanical Property Evaluation up to 1200 oC
By J. M. Tannenbaum
A depth-sensing micro-indentation technique is developed for evaluating mechanical properties of materials at elevated temperatures (to 1200°C). System description and design considerations of the tes
Jan 1, 2010
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Closing the Historic Alaska-Juneau Mine
By Joseph L. Petrillo
In July 1997, Kvaerner Environmental signed a unique contract with Echo Bay Alaska called the Transfer Risk and Accelerate Closure (TRAC). The contract called for Kvaerner to assume the responsibilit
Jan 1, 1999