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Iron and Steel Division - Silicon-Oxygen Equilibrium in Liquid Iron-A Revision
By N. A. Gokcen, J. Chipman
A revised treatment of the authors' published data eliminates the complex relation previously proposed between concentration of silicon and activity coefficient of oxygen in liquid iron. Revised
Jan 1, 1954
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The United Eastern Mining and Milling Plant
By Otto Wartenweiler
AFTER the phenomenal development of the new mine, the United Eastern Mining Co., with Mr. Frank A. Keith as President, decided to install a reduction plant. The character of the ore, closely resembli
Jan 11, 1917
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Papers - Nature of Passivity in Stainless Steels and Other Alloys, I and II.
By John Wulff, H. H. Uhlig
Since its first mention in the literature in the eighteenth century12 the phenomenon of passivity in metals has stimulated much speculation and attendant controversy as to its nature and cause. No one
Jan 1, 1939
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Papers - Nature of Passivity in Stainless Steels and Other Alloys, I and II.
By John Wulff, H. H. Uhlig
Since its first mention in the literature in the eighteenth century12 the phenomenon of passivity in metals has stimulated much speculation and attendant controversy as to its nature and cause. No one
Jan 1, 1939
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Has the Coal Mining Industry an Adequate Technique - It Has Not, Concludes the Author, Who Makes a Severe Arraignment of Present Conditions Within the Industry, and Advises Engineering Analysis of Problems as the Remedy
By Eugene McAuliffe
THE last obtainable figures of the value of the coal mining investment are those contained in the U. S. Census Reports, from data gathered in 1919. The values shown therein and set forth below cover l
Jan 1, 1926
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The Nature of Passivity in Stainless Steels and Other Alloys
By H. H. Uhlig
SINCE its first mention in the literature in the eighteenth century1,2 the phenomenon of passivity in metals has stimulated much speculation and attendant controversy as to its nature and cause. No on
Jan 1, 1939
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Prospecting in an East Indian Jungle
By V. V. Clark
WHEN a district is more or less primitive, and a trained mining engineer attempts single- handed to prospect it according to old standards, he generally fails. He has not the ability to live out in th
Jan 1, 1937
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Production - Foreign - Petroleum Developments in the Argentine in 1930
By Gilbert P. Moore
Production in the Argentine in 1930 amounted to 1,415,099.7 metric tons, which converted into barrels of 42 gal., using the factor of 6.29, amounts to 8,909,773 bbl. This is a decrease of 481,613 bbl.
Jan 1, 1931
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Recent Progress in the Mineral Industry of South America
By LESTER W. STRAUSS
OUR early knowledge of history and geography attracted most of us to the mineral resources of South America. The romantic tales of the Spanish activities, which were curiously alluring, and Prescott&a
Jan 1, 1930
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50. The Marysvale, Utah, Uranium Deposits
By Paul F. Kerr
The uranium-producing areas near Marysvale, Utah provide an unusual group of veins and replacement deposits associated with a Pliocene-Oligocene intrusive and extrusive igneous complex. Aside from sev
Jan 1, 1968
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The Production Of Lead Tubes
By G. O. Hiers
IN 1948 in the United States, 184,300 tons of lead was fabricated as coverings for electric power and communication cables. Such covering generally is called "sheathing" for the principal lengths of t
Jan 1, 1951
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Ore. ID, A Microcomputer Program For The Rapid Identification Of Opaque Minerals In Ores And Beneficiation Products
By John E. Hagni, Richard D. Hagni
ORE.ID, a microcomputer program, rapidly searches a database of the principal properties for 573 ore minerals. Searches may be performed on any or all of the following properties: mean Vickers hardnes
Jan 1, 1985
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Metal Mining - What's New in Mining Safety
By S. H. Ash, J. J. Forbes
Probably the newest thing in mining safety, or safety for mines, is the apparent dissatisfaction on the part of the mineral industries, as represented by both management and labor, and the general pub
Jan 1, 1950
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Phosphate Rock Industry of Foreign Countries
By F. C. Noyes
DAME Nature was in a generous mood when she distributed widely over the face of the globe numerous deposits of phosphate rock from which man can make phosphatic festiIizer to replace the phosphate re-
Jan 1, 1944
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Beneficiation And Concentration - Other
US 4,181,703-Removal of magnesium impurity from phosphate rock. Crushed screened ore containing more than 0.3% by weight of magnesium is slurried with sea water, acidified with sulfuric acid to a pH v
Jan 1, 1982
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Economic Factors in Cold Weather Operations
By E. B. Spice
Although much may be learned about the economics of cold weather operations by studying successful mining ventures in southern and central Canada, it is the purpose of this article to extend the study
Jul 1, 1956
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Executive Committees of Local Sections (6ea12156-ed3f-4e79-8757-a492fd9aa594)
Arizona F. P. MATHEWSON, Chairman F. W. MACLENNAN, First Vice-chairman _CLYDE F. WEED, Second Vice-chairman F. D. GARDNER, Secretary-Treasurer Box 4097, University Station, Tucson, Ariz. ARTHUR
Jan 1, 1934
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Papers - - Production Engineering and Engineering Research - Some Economic Aspects of Gas-solubility Investigations (With Discussion)
By Alexander B. Morris
Studies such as the investigations into the solubility of gases in crude oil under various conditions, which have been carried on during the past three or four years, are very interesting from an acad
Jan 1, 1935
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Washing and Concentrating Florida Pebble Phosphate
By S. J. Swainson
PHOSPHATE ROCK is a low- priced commodity. This fact has influenced the choice of mining and beneficiating methods to a greater degree, perhaps, than in most other low-grade mining operations. The fac
Jan 1, 1944