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Part VI – June 1968 - Papers - An Electron Microscope Investigation of Explosion-Bonded Metals
By Lucien F. Trueb
The microstructure of explosion-bonded pairs of similar and dissimilar metals has been investigated by electron microscopy. A review of the specific problems encountered and the methods used for obtai
Jan 1, 1969
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Case Histories, Part 1 - Études De Cas, Partie 1 - Jet Grouting Underpinning Of A Building In The Us
By Gustavo E. Armijo
This job was done in Morristown, NJ, with mono fluid system jet grouting for the construction of a new bank building. After the demolition of the existing two story structures, an excavation in loose
Jan 1, 2002
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Recovery of Metals from Electronic Scrap by Hydrometallurgical Route
By Nikhil Dhawan
Electronic waste (e-waste) is a collective name given to discarded electronic devices such as Television, Cellular Phones and Personal Computers. Among the heterogeneous metals present in the e-waste
Jan 1, 2009
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Marketing and Utilization of Copper tn Canada
By J. S. Vanderploeg
I WILL begin this presentation by citing the annual per capita use of copper in Canada. This is best calculated by taking refinery domestic sales, plus imports of the products of foreign fabricating m
Jan 1, 1962
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OFR-129-85 Refinement And Evaluation Of Basic Longwall Dust Control Techniques
By J. A. Kost
The contract objective was to evaluate the effectiveness of available dust-control technology for double-drum shearers. Eight underground surveys were conducted to evaluate drum design, drum spray noz
Jan 1, 1985
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The Tungsten-Bismuth-Molybdenum Deposit of Brunswick Tin Mines Limited: Its Mode of Occurrence, Mineralogy and Amenability to Mineral Beneficiation
By Wm Petruk
"The tungsten-bismuth-molybdenum deposit in southwestern New Brunswick occurs in greisenized and silicified tuffite * and feldspar porphyry in and adjacent to volcanic necks. The ore minerals occur as
Jan 1, 1973
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Production of High-Density Parts by Powder Metallurgy Increases
By Charles Hardy, George D. Cremer
POWDER metallurgy has been established for some time as a novel method for manufacturing a great variety of articles generally specialties that could not be made conveniently by any other method. In t
Jan 1, 1942
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Mineragraphy or the Petrology of Ores and its Economic Significance
Mineragraphy is a coined term to signify the field of microscopic investigation of ore minerals. The term is not euphonius and is sometimes regarded as superfluous because the subject is no more than
Jan 1, 1932
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RI 2585 Mining Limestone For Lime Manufacture
By Oliver Bowles
"Underground operation.In its broader sense the term ""mining"" is applied to all processes whereby raw materials are taken from the earth to be used as sources of mineral products. In a more restrict
Mar 1, 1924
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Northwest Mining Association Sparks Glimmer of Mining Hope
By Steve Kral
The domestic mining industry may be in the doldrums but there appears to be hope, at least from a regulatory standpoint. At least one US senator believes that the events of Sept. 11, 2001 made man
Jan 1, 2002
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The Arizona Copper Province And The Texas Lineament
By Jacques B. Wertz
Recurring movements remotely connected with the Murray fracture zone and the San Andreas fault complex, together with the slow northwestward drift affecting the Baja California peninsula, could progre
Jan 1, 1970
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OFR-195(2)-83 User's Manual Of Safety Assessment Methods For Mine Safety Officials - Vol. II
By P. M. Daling
This report, sponsored by the U.S. Bureau of Mines, presents the results of an examination of available safety assessment methods and their applicability to the mining industry. Standard safety analys
Jan 1, 1983
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Coal Pillar Strength Analysis Based on Size at the Time of Failure
By J. N. Van der Merwe
"A major shortcoming of the statistical back-analysis of coal pillar strength is that it relies on the asmined pillar dimensions, not taking into account time-related pillar scaling with subsequent re
Jul 1, 2019
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The Copper Deposits of Australia (ea54aab5-67b8-456c-908f-63d763c37c3b)
The recent paper by Dr. Edwards upon the copper deposits of Australia furnishes a perspective upon that portion of the Commonwealth's mineral deposits which is the more welcome because it has bee
Jan 1, 1943
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RI 3839 Mining and Concentration of Missouri Valley Manganese at Chamberlain, South Dakota
By Dupuy. Leon W., R. T. C. Rasmussen, W. A. Calhoun
"INTRODUCTION For many years it has been known that low-grade manganese deposits occur in the bluffs along the Missouri River Valley. Frequent attempts have been made to develop the ore and to produce
Feb 1, 1946
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Mineral resources in the Portuguese continental shelf
By Raquel Costa, Aldino Campos, Frederico Carvalho Dias, Pedro Madureira, Patrícia Conceição, Ana Filipa Marques, Andreia Afonso, Maria Ana Martins, António Calado, Luísa Pinto Ribeiro
Since its formation in 2004, the Task Group for the Extension of the Continental Shelf (EMEPC) has been collecting hydrographic, geological and geophysical data to support the extension of the contine
Sep 1, 2014
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Roof Bolting Hazards Analysis
By J. H. Adkins
The goal of the project reported in this paper was to make recommendations for changes in roof bolting procedures and bolter design that would reduce roof bolter accident rates. To that end the projec
Jan 1, 1978
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Bulletin 148 Methods for Increasing the Recovery from Oil Sands
By J. O. Lewis
In its efforts to reduce waste, and increase efficiencyin oil production, the Bureau of Mines is investigating methods of increasing the recovery from the underground sources of supply, which are the
Jan 1, 1917
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Fractal Characteristics of Temporal-Spatial Distribution of Acoustic Emission during Coal Bursts
By Ting Ren, Lihai Tan, Alex Remennikov, Xiaohan Yang, Xueqiu He
"Due to recent coal bursts in Australian coalmines, research of coal bursts has attracted intensive interest from mining researchers and engineers worldwide. Previous research has shown that the sudde
Jan 1, 2019
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Bulletin 186 Investigations of Zirconium with Especial Reference to the Metal and Oxide
By J. W. Thompson, M. N. RICH
That there is wide interest in the preparation and properties of metallic zirconium and its salts is indicated by the many articles recently published in scientific and technical journals and the many
Jan 1, 1921