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The se of Vermiculite to Control Dust and Radon Daughters In Underground Uranium Mine Air
By W. Chi, R. Regan, R. A. Washington
"In uranium mines, the purification of underground mine air can be accomplished by the removal of dust particles and radon daughters using filters. Full-scale statistically designed experiments with f
Jan 1, 1973
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Biographical Notice of Edward Cooper
By R. W. Raymond
EDWARD COOPER, was born in New York City, October 26, 1824. His father, Peter Cooper, to say nothing of manifold reasons for fame as an inventor and philanthropist, deserves to be remembered as a pion
Jul 1, 1906
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RI 4126 Recovery of Soda and Removal of Sulfate in the Lime-Soda Process for Alumina Production
By Francis J. Fratttali, Verda McLendon, Stanley J. Green
"INTRODUCTION During the first phases of the war emergency the shortage of aluminum prompoted the Bureau of Mines to investigate methods for using low-grade bauxites of high silica content and also cl
Sep 1, 1947
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RI 5006 Report Of Research And Technologic Work On Explosives, Explosions, And Flames Fiscal Years 1951 And 1952 ? Introduction
By Bernard Lewis
This report summarizes fundamental research end technical studies conducted in the Explosives and Physical Sciences Division, Region VIII, of the Bureau of Mines in the 2 years July l, 1950, to June 3
Jan 1, 1953
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Proposed Mining and Milling Practice at Sherritt Gordon Mine
By Staff
Introduction As the Sherritt Gordon property is still in the development stage, . it is rather difficult to write a proper account of the mining methods and milling practice that will be used. Whil
Jan 1, 1930
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In search of a new development strategy for the beneficiation and export of South Africa's minerals (Presidential Address)
By H. E. James
Much has been said and written about the need to reduce South Africa's dependence on gold. To compensate for the decline in the country's foreign-exchange earnings resulting from the phasing
Jan 1, 1985
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Annual Meeting, Washington, D. C., February 1882
LOCAL COMMITTEE OF ARRANGEMENTS. Major J. W. Powell, Chairman; F. P. Dewey. Secretary; S. F. Emmons, A. S. Hewitt, J. P- Hilgard, Charles Knap, and F. W. Taylor. THE opening session was held in
Jan 1, 1882
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Concentration Of Hematitic -Limonitic Iron Ores By High Intensity Permanent Magnetic Separator
By H. Demirel
This paper deals with concentration of hematitic-limonitic iron ores. The ore sample obtained from Karakuz (Turkey) contain:. about 40-46 I Fe. First, a low intensity magnetic separation process was
Jan 1, 1991
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Beneficiation and Utilization - Principles of Fuel Beds
By P. Nicholls
Though the burning of fuels extends far back into antiquity, and though fuel beds are the most common and widely distributed example of chemical actions and engineering practice, there has been little
Jan 1, 1936
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Beneficiation and Utilization - Principles of Fuel Beds
By P. Nicholls
Though the burning of fuels extends far back into antiquity, and though fuel beds are the most common and widely distributed example of chemical actions and engineering practice, there has been little
Jan 1, 1936
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Oil Production in the Upper Texas Gulf Coast during 1945
By P. B. Leavenworth
Development in the Upper Texas Gulf Coast during 1945 resulted in the discovery of 23 new fields; one Miocene, eight Frio, three Cockfield-Yegua and eleven along the Wilcox trend. The Wilcox trend app
Jan 1, 1946
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Longwall Mining In America (f89fdb53-aac0-4b35-861d-c15df395bb25)
By Joseph Kuti
Longwall mining is the term used for the underground extraction of a wide and deep panel of coal. Such a panel may be blocked out by one or more entries on either side ("head" and "tail") of a longwal
Jan 1, 1978
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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
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IC 7132 Work Of The Bureau Of Mines Safety Cars In The Pennsylvania Anthracite Region From 1934 To 1939 - Introduction
By J. J. Forbes
The original organic act establishing the Federal Bureau of Mines in 1910 and the amended act of 1913 indicated that promotion of the health and safety of mine workers was to be ore of the chief funct
Jan 1, 1940
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Mineral Resources Evaluation with Mining Selectivity and Information Effect "Mining, Metallurgy & Exploration (2020)"
By Ana Chiquini, Clayton V. Deutsch
The most common approach used in the mining industry for mineral resources modeling is to estimate the grades using ordinary kriging and report the recoverable resources based on this deterministic es
May 26, 2020
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RI 8948 - Analysis of Sampling Variance From Certain Platinum and Palladium Deposits in Alaska
By James C. Barker
The analytical variability encountered when sampling for platinum-group metals (PGM) was statistically evaluated during a 1983 study by the Bureau of Mines and the University of Alaska. Sampling proce
Jan 1, 1985
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Ore Reduction ? Copper and Lead Smelting and Lead Refining
By W. W. Fowler
ORIGINALLY designed for copper smelting only, the reduction works of the Cerro de Pasco Copper Corp. have been expanded over the years until now twelve different metals are produced, together with som
Jan 1, 1945
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An Overview Of Surface Coal Mining In China
By Jerry C. Tien
In 2009 China mined 2.695 billion metric tones (Gt) of raw coal. It is estimated that only 3-5% or roughly 135 million metric tones (Mt) of these were mined from 300 some surface operations. Except fo
Jan 1, 2012
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The First Two Years of Milling at Renabie
By E. G. Kearnery
Introduction It is believed that the present paper will be of some interest, not because of any outstanding features of Renabie milling practice but because Renabie is the first gold mining propert
Jan 1, 1950