Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Adoption of High Oxygen Bottom Blowing in Copper Matte Smelting: Why is it taking so long?
By Enzo Palumbo, Joël P. T. Kapusta, François Larouche
In light of the rapid deployment of bottom blowing smelting in China over the last ten years, one has to wonder why it has taken the copper industry so long to adopt ultra-high oxygen enrichment via S
Jan 1, 2015
-
The Influence of Some Variables on the Brinell Hardness of Lead
During the extensive research which has been conducted in the Metallurgy Department of the University of Melbourne, into the properties of lead and its dilute alloys, the Brinell test has been used fo
Jan 1, 1940
-
Mini Symposium - Chemical Processing Of Gallium, Indium, And Germanium - Hydrometallurgy Of Copper Products ? Hydrometallurgy Of Rare Metals - Hydrometallurgy Of Gallium, Indium, And Germanium - "A Review Of The Extractive Metallurgy Of Indium"
By C. E. T. White
Although trace amounts of Indium are found in many ores, commercial production of the metal has come almost exclusively from residues, flue dusts and slags generated by Zinc recovery operations. Our p
Jan 1, 1982
-
Third Quarter 1983 Performance Of The U.S. Economy
The U.S. economy showed further strength during the third quarter of 1983, continuing the upward trend discussed in the last two issues of Minerals and Materials. The National Association of Purchasin
Jan 1, 1983
-
The Canadian Mineral Processors A Brief History
By R. J. C. MacDonald
"The first recorded discovery of placer gold in Canada was on the Chaudiere River in Quebec's eastern townships in 1832 and the first major production came from placer deposits in British Columbia in
Jan 1, 1998
-
The Role of Minerals in the Industrialization of Western Canada
By The Honourable George Prudham
"I AM PLEASED indeed to be present with you here today and to be taking part in the proceedings of your convention. You have been greeted and welcomed to the Province by Premier Manning who is also pr
Jan 1, 1953
-
RI 3901 Gasification of Lignite & Subbituminous Coal for 1944
By E. C. Yeager, E. O. Wagner, A. W. Koth, V. F. Parry, J. B. Goodman, D. G. Gernes, W. L. Patty
"In July 1943, the Bureau of Nines received an appropriation to investigate the beneficiation of Minnesota iron ores through the use of lignite. The broad objective was to find a way to link the large
Jun 1, 1946
-
Mineral Commodity Summaries 1994 - Significant Events, Trends, And Issues - The U.S. Mineral And Material Industry
The domestic mineral and material industry grew in some key sectors and declined in others during 1993; overall, the industry was poised at yearend for stronger growth in 1994. Metals production is ex
Jan 1, 1994
-
Metal Prices
By FREDERICW K. BRADLE
I HAVE been puzzled by two lines of thought'; one emanating from Washington, D. C., to the effect that we must all cheer up, that in a very short time, measured in terms of months, prices would b
Jan 1, 1930
-
The Impact Of Platinum Production From Ug2 Ore On Ferrochrome Production In South Africa (0100580e-7046-4d83-b544-b2f8a0fc0e33)
By Basson. J., L. R. Nelson, L. A. Cramer
The South African based platinum mines produce the world?s majority of platinum metal that is used in autocatalysts and jewellery. As the platinum market is forecast to grow at healthy rates into the
Jan 1, 2004
-
Industry-scale knowledge management\u2014RISKGATE and Australian coal operations
By D. Sprott, P. A. Kirsch, J. Harris, D. Cliff
This paper details the work of RISKGATE, the largest Australian Coal Association Research Program (ACARP) occupational health and safety initiative to date. The program is an interactive online risk m
Jan 1, 2014
-
Institute of Metals Division - Microstructure of Iron-Sulfur Alloys
By Lawrence H. Van Vlack, Alfred S. Keh
The distribution of sulfur in iron was found to be dependent upon the time and temperature of the treatment as well as the chemical composition of the sulfide. With higher temperatures, the sulfide ph
Jan 1, 1957
-
IC 8913 Dolomite Refractories, And Their Potential As Substitutes For Imported Chromite
By Timothy A. Clancy
To help reduce the Nation's dependence on imported chromite, the Bureau of Mines is conducting research on the use of dolomites as an alternate material. Dolomite is a plentiful domestic resource
Jan 1, 1983
-
The Impact Of Platinum Production From Ug2 Ore On Ferrochrome Production In South Africa
By J. Basson, L. R. Nelson, L. A. Cramer
The South African based platinum mines produce the world?s majority of platinum metal that is used in autocatalysts and jewellery. As the platinum market is forecast to grow at healthy rates into the
Jan 1, 2004
-
Case History Of The Response Of A Longwall Entry Subjected To Concentrated Horizontal Stress
By D. Oyler
The National Institute for Occupational Safety and Health (NIOSH) Pittsburgh Research Laboratory (PRL), RAG Pennsylvania and Strata Control Technologies of Australia collaborated in an intensive study
-
The Effect of Particle Production History on Gold Leaching
By Jessica Egan, Daniel Hodouin, Claude Bazin
"The recovery of gold by leaching is influenced by the size of the gold carrier particles and the chemical environment. Using the relationships between the leaching rate, infinite recovery and particl
Jan 1, 2009
-
Columbus Circle Station Complex - History and Rehabilitation
By Aram Grigoryan
This paper addresses historical aspects and construction sequencing of the subway complex under Columbus Circle in Manhattan; the structural elements of the rehabilitation and new construction; and th
Jan 1, 2008
-
38. The Uranium Mining Industry and Geology of the Monument Valley and White Canyon Districts, Arizona and Utah
By Roger C. Malan
The Monument Valley and White Canyon districts are in northeastern Arizona and southeastern Utah. Exploration and mining for uranium has been conducted in these districts since the late 1940's. In Jul
Jan 1, 1968
-
"Target Mattagami"
By R. H. Pemberton
"THE Mattagami district of Quebec has, during the past few years, experienced intense exploration by virtually every mining company operating in Canada. As a result of this activity, a number of well-
Jan 1, 1961
-
IC 9274 Advanced Materials: Outlook And Information Requirements Proceedings of a Bureau of Mines Conference, November 7-8, 1989, Arlington, VA
By Louis J. Sousa
In November 1989, the U.S. Bureau of Mines sponsored a 2-day conference to stimulate thinking and discussion about changing materials technologies and implications for the Government's materials
Jan 1, 1990