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OFR-77-82 Fiber Optics Technology For Underground Mine Communication Systems
By David Bendersky
This report covers the activities of a feasibility study of fiber optics technology fur use in mines. The objective of the study was to evaluate, both technically and cost-wise, the possible use of fi
Jan 1, 1982
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G. D. Delprat - Honorary Member
By AIME AIME
MOST recently elected to the limited group of Honorary Members in the A.I.M.E. is the distinguished Australian metallurgist, Guillaume Daniel Delprat. His citation reads: "in recognition of his distin
Jan 1, 1936
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The Frothbuster - Innovative Thickener Froth Reduction Technology
By Karla Kaboth, Brad Garraway
"The surface of many concentrate thickeners has traditionally looked like that of a flotation cell. Over the last three years Normandy Golden Grove Concentrator, in partnership with Outokumpu Technolo
Jan 1, 2001
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OFR-126-80 Environmental Assessment Of Surface Shortwall Mining
By Ernest W. Hilton
The purpose of this investigation was to assess the environmental impact of the surface mining methods currently used in the steep-sloped areas of Central Appalachia: southern West Virginia, eastern K
Jan 1, 1979
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Radium (42e2deaa-4b56-4916-8f71-f6bc2fdee319)
By G. W. Adams
Foreword While the literature on radium is voluminous, there is no single publication available from Canadian sources which attempts to cover at all fully the world radium industry. The comparatively
Jan 1, 1931
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Drilling–Equipment, Methods and Materials - Wellbore Pressure Surges Produred by Pipe Movement
By J. A. Burkhardt
Field measurements and theoretical studies have been made of pressure surges—momentary variations in fluid pressure—produced by movement of pipe in mud-filled boreholes. Pressure measurements were rec
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OFR-93-84 Survey Of Electrostatic Hazards Detection And Minimization
By R. W. Courtney
The objective of this study is to make a critical evaluation of the magnitude and extent of electrostatic hazards in typical U.S. mining operations and to assess the adequacy of techniques, materials,
Jan 1, 1982
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Tunnel-Driving In The Alps.
By W. L. Saunders
(Wilkes-Barre Meeting, June, 1911.) I. INTRODUCTION. IT is now generally admitted by experts that at least so far as rapid progress is concerned the Alpine system of tunnel-driving is superior to an
Jul 1, 1911
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Plant Instrumentation And Data Analysis
By Larry S. Diaz
The paper considers the selection of control instrumentation for a modern flotation plant, as well as the best interpretation and most effective use of the process data obtained. Process control compu
Jan 1, 1972
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Continuous loading at Brunswick Mining
By J. Jerome MacDonald, Stephen B. Flewelling
"In the base metals industry of today, operations required to continuously improve productivity and reduce unit production costs. Consistent with these goals is the improvement of the muck haulage cyc
Jan 1, 1989
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OFR-107-77 Minimum Cost Strategies For Longwall Equipment Moves
By Thomas Gales
Longwall mining has a high potential for producing bulk production from a single face. Production is interrupted for a considerable time when it is necessary to move the equipment to a new block of co
Jan 1, 1977
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Bulletin 44 First National Mine Safety Demonstration
By Albert H. Fay, Herbert M. Wilson
The national mine-safety demonstration at Pittsburgh, Pa., was projected and undertaken in the hope that it would aid the increase of safety in the mining industry. That the national mine-safety demon
Jan 1, 1912
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OFR-93-76 Research Study Of Retreat Surface Area Mining Systems ? Introduction
1. Proposals were submitted to the Western Administrative Center of the US Bureau of Mines, Denver, Colorado on 30th December, 1974 and Contract No J 0255003 was awarded, the effective date being 8th
Jan 1, 1976
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DEPOWS - A Powered Support Selection Model
By Y. M. Jiang
A users friendly PC Computer Program has been developed to implement a systematic design of the powered support. The required input data are: (1) thickness, RQD, and compressive strength of the immedi
Jan 1, 1989
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Climate and Hydrology Data Collection for Northern Mine Development
By Nathan P. Schmidt
Climate and hydrology data are required during all phases of mining projects, including impact assessment, mine planning and design, operational water management and mine closure and reclamation desig
May 1, 2004
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Material Instability Hazards In Mine Processing Operations
By John W. Fredland
Many accidents occur in the mining industry as a result of the instability of material during handling and processing operations. Accidents due to dump point instability at stockpiles, and at spoil or
Jan 1, 1993
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Some Statistical Techniques For Analyzing Mine And Mineral-Deposit Sample And Assay Data
By Scott W. Hazen
COMPREHENSIVE summary is presented of results of several years of research at the Bureau of Mines Mining Research Center at Denver on adapting and applying techniques of statistical analysis in mine a
Jan 1, 1967
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Introducing a new age of highly effective automatic explosion suppression barriers
By H Phillips, A Spaeth, B Belle
There are several well-known, extensively researched and tested methods of suppressing a coalmine methane and coal dust explosion. The choice of method used is dependent on the legislative requirement
Aug 28, 2017
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IC 7526 Convetor Systems in Underground Iron-Ore Mines, Lake Superior District
By Eugene O. Binyon
"Belt and shaker conveyors, used singly or as combined units, have for many years been an integral part of many coal-mine haulage systems. The belt conveyor has also been used extensively as a main ha
Oct 1, 1949
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OFR-25(1)-83 Monitoring And Modeling Of Shallow Ground Water Systems In The Powder River Basin
By Donald Koch
The project investigated regional impacts of mining on the ground water system of the Powder River Basin by: 1) establishment of a regional ground water monitoring network, and 2)development of , set
Jan 1, 1982