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Hydrothermal activity and first characterization of hydrothermal mineralization and fluids from the Southern New Hebrides Arc (Vanuatu, SW Pacific)
By Florian Häckel, Ulrich Schwarz-Schampera, Benjamin Bühring, Katja Schmidt, Dieter Garbe-Schönberg, KoschinskyM Andrea
"The Vanuatu island arc and its adjacent back-arc basins form part of the southern New Hebrides subduction system in the southwestern Pacific Ocean within a triangle defined by the Solomon Islands, Ne
Sep 1, 2014
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Rates of Return in the Mining Industry
By H. Reimer
The rates of return on investment are examined for several major Canadian mining companies. Because we are dealing with a highly cyclical industry, subjected to widely fluctuating metal prices, rates
Jan 1, 1977
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New method allows for anchorage checkfor rock bolts
By Gene Mattila, Ron Boyd
Introduction Rock bolting is a general term that encompasses pinning, roof bolting, rib bolting, and cable bolting. Rock bolting contributes the highest nonproductive cost and is the most significant
Jan 4, 1985
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IC 8457 Mineral Materials For Chemical Manufacturing - A Survey Of Supply And Demand By The Chemical Industry In The Ohio River Basin Of Ohio, Pennsylvania, And West Virginia
By M. C. Irani
This study is a survey of supply and demand for minerals, metals, alloys, and compounds used by the chemical industries in the Ohio River Basin (ORB) area of Ohio, Pennsylvania, and West Virginia duri
Jan 1, 1970
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Une mine à ciel ouvert et le déménagement d?un quartier : l?expérience de la Corporation minière Osisko à Malartic, Québec
By Julien Rivard
Au printemps 2011, la Corporation minière Osisko met en production le gisement Canadian Malartic, qui devient la plus importante mine d?or à ciel ouvert au Canada. Pour lui faire place, elle a déménag
May 1, 2011
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Studies of PEM fuel cells and hydrogen storage materials
We report the studies of Proton-Exchange Membrane Fuel Cells (PEM FC) and hydrogen storage materials at McMaster University for the last 14 years. From the initial investigation of ionic conduction me
Jan 1, 2005
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New Blasting Techniques to Eliminate Subgrade Drilling, Improve Fragmentation, Reduce Explosive Consumption and Lower Ground Vibrations
By R. Frank Chiappetta
A new blasting technique has been developed by International Technologies, LLC. to eliminate subgrade drilling, lower ground vibrations, improve fragmentation and reduce explosive consumption. The new
Jan 1, 2004
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John Fritz Medal Presented to Herbert Hoover
By AIME AIME
THE John Fritz Gold Medal for 1929 was presented to Herbert Hoover at the Executive Mansion on April 25, at a luncheon given by Mr. Hoover to present and past members of the Board of Award, preceding
Jan 1, 1929
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A Homemade Portable Assay Furnace
By James P. Sloss
A PERMANENT assay office is commonly established as part of the general plant equipment of operating gold and silver properties, but during the development stage of a mine, the cost of such an office
Jan 1, 1935
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OFR-76(2)-79 Development Of Highwall Mining Equipment (Phase I) Volume II
By Mandius C. Lundal
This report describes the work done to develop a coal mining machine to increase productivity and recovery from thin seams beyond the highwall, in addition to decreasing the miner's susceptibilit
Jan 1, 1977
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Influência Da Concentração Molar Da Solução Ativadora E Da Razão Ativador/precursor Na Resistência À Compressão De Argamassas Geopoliméricas
By Greisson Peixoto Rangel
A variação da resistência à compressão de argamassas geopoliméricas foi estudada em função da razão ativador/precursor e da molaridade da solução ativadora. As argamassas estudadas foram confeccionada
Oct 30, 2017
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Holding Back The Watchung Mountains
By Ryan C. Linthicum
A system of steel sheeting and multiple levels of high capacity double corrosion protected soil anchors were used to restrain a major slope failure that occurred at the base of the Watchung Mountains
Jan 1, 2003
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OFR-93-77 Application Study Of Portable Underground Hardrock Crushers
By Carl R. Peterson
[In lTI n,v und I'gr'oun nllnin~ Opt'I'ali n' the high . t cost is the loading and I 3ulage of t tln-of -D"'line ot'. 01' hauling costs can be r duced signifi-c
Jan 1, 1976
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Washington Paper - The Mints and Assay Offices of Europe
By Pierre de P. Ricketts
Having had occasion while in Europe during the past summer to visit some of the foreign mints and assay offices connected with the same, I thought a brief description of the general process of coining
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The Mints and Assay Offices of Europe
By Pierre de P. E. M. Ricketts
HAVING had occasion while in Europe during the past summer to visit some of the foreign mints and assay offices connected with the same, I thought a brief description of the general process of coining
Jan 1, 1876
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RI 3562 Studies Of Roof Movement In Coal Mines - 4. Study Of Subsidence Of A Highway Caused By Mining Coal Beneath ? Introduction (299b84a1-0109-4982-b64a-0d5d19e6a986)
By E. R. Maize
[he scconG rcport of :his st?rI.org 8cdt with o3servatioi:s of conver- gence of roof an4 floor at t!x*re: ?.cc.-.tioris iri til~ ClVucible mine of kke Cru- cib1.o Fuel Co. Data on sl:'ociacnce ?.
Jan 1, 1941
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Application of Manufacturing Management and Improvement Methodologies in the Southern African Mining Industry
By J. O. Claassen
"A study conducted at 22 operating mines in the southern African region indicated that each mine employs about five management and improvement methods with roots in the manufacturing industry. All res
Jan 1, 2016
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Industrial Minerals in Chemical Manufacturing
By Alfred W. G. Wilson
THE ultimate purpose of the Chemical Manufacturer is to produce consumer products which can be sold to customers. Such production and sales can be continued only if the operations yield a profit to th
Jan 1, 1940
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IC 7398 Some Results of Inspections of Explosives:-Storage Facilities under the Federal Explosives Act
By P. R. Moyer
"INTRODUCTION The Federal Explosives Act (55 Stat., 863), as amended, was passed by Congress on December 26, 1941, and became effective immediately; it amended the Act of October 6, 1917 (4o Stat., 38
Mar 1, 1947
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RI 3296 Classification Chart Of Typical Coals Of The United States - Showing B. T. U. Per Pound On The Moist, Mineral-Matter-Free Basis, Plotted Against Fixed Carbon On The Dry, Mineral-Matter-Free Basis - 1935 RI 3296
By A. C. Fieldner
[The Sectional Committee on Classification of Coals, functioning under the sponsorship of the American Society for Testing Materials and the rules of the American Standards Association, in its 1934 re
Jan 1, 1935