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Minerals Beneficiation - Magnetic Separation for Mesabi Magnetite Taconite
By J. E. Forciea, O. E. Palasvirta, L. G. Hendrickson
AH pilot and commercial plants working with Mesabi Range taconite employ wet magnetic separation. Progress is being made with a dry magnetic process, but this has not yet been applied to taconite exce
Jan 1, 1959
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Certificate of Incorporation
WE the undersigned, being all persons of full age and citizens of the United States, and a majority residents of the State of New York, desiring to form a corporation pursuant to the provisions of the
Jan 1, 1942
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Institute of Metals Division - Effect of the Shapes of Intergranular Liquid on the Hot Cracking of Welds and Castings
By J. C. Borland, J. H. Rogerson
Jan 1, 1963
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Chilex Mine Model Revised
APPROXIMATELY 26 percent of the total ore production to date from the largest single deposit of copper-bearing material in the world was mined during the war years, 1942 to 1945, at Chile Exporation C
Jan 1, 1948
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The 130th Meeting of the Institute at Birmingham
By AIME AIME
THE 130th Meeting of the Institute was held in Birmingham on Oct. 13 to 15, with visits to other mines and districts before and after. The last visit of the Institute to Birmingham was made in 1888, t
Jan 1, 1924
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Heap Leaching Of Uranium A Case History
By Robert G. Woolery, S. Ramachandran, James A. Weber, Donald J. Hansen
Union Carbide began looking seriously at heap leaching in 1971. At that time some 1.6 million tons of mineral averaging 0.40 kg U308 /t) (0.80 lb U308) were stockpiled at various sites around the Gas
Jan 3, 1978
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Mine Models
By H. H. Stoek
MINE models have three distinct uses: 1. As exhibits in expositions and museums. 2. As exhibits in law suits. 3. As illustrations in teaching mining engineering. All three uses are in a sense educ
Jan 4, 1917
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Salt Lake City Paper - Flotation Practice in the Coeur d'Alene District, Idaho (with Discussion)
By A. W. Fahrenwald
Flotation practice in Idaho is now about 13 years old. The advance has been steady during these 113 years. The operators have been alert to take advantage of the newest developments and they have them
Jan 1, 1928
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Professional Divisions 1946 - Institute Of Metals Division Established As A Division April 26, 1918
[L. W. KEMPF, Chairman E. E. SCHUMACHER, Past-Chairman E. A. ANDERSON, Senior Vice-Chairman A. A. SMITH, JR., Vice-Chairman 11. A. MALONEY, Treasurer ERNEST KIRKENDALL, Secretary 29 West 39th St
Jan 1, 1946
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Pittsburgh Parper - The Antimony Deposits of Arkansas
By Charles E. Wait
It is said by some that the occurrence of a deposit of sulphide of antimony in Southwestern Arkansas has been known for fifteen or twenty years. Whether or not such is the case I am not prepared to sa
Jan 1, 1880
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Chromite
By W. D. Johnston, T. P. Thayer
THE minerals that collectively are known as chromite form an isomorphous series of the general formula (Mg,Fe) 0. (Cr,Al,Fe) 203. So wide is the range in chemical composition in this group that chrome
Jan 1, 1949
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Geology and Mining Methods at Pilares Mine
By Rogers Wade
THE Pilares mine of the Moctezuma Copper Co. is situated at Los Pilares de Nacozari, Sonora, Mexico, about 75 mi. (120.7 km.) South of the international boundary and about 7 mi. (11.26 kin.) east of t
Jan 8, 1919
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In Memoriam (0fcabc9f-05e2-4ac1-9671-8fdcc75866ce)
The following list contains the names of members whose death notices have been printed in MINING AND METALLURGY from March 15, 1947 through March 15, 1948 Biographical sketches published in MINING AND
Jan 1, 1952
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The Lead Industry of Utah
By L. D. Anderson
IN STUDYING Utah as a lead producing state one is immediately confronted by the fact that few, if any, of the ores of the state are valued for their lead contents alone. More correctly the ores from w
Jan 1, 1925
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Direct Production of Metallic Zinc by the Electrothermic Process
By George Weaton
Two years ago the general features of the St. Joseph Lead Company's zinc-smelting process were described.1 At that time the discussion was limited to a description of the production of high-purit
Jan 1, 1939
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Reservoir Engineering – General - New Single-Well Test for Determining Vertical Permeability
By W. A. Burns
Vertical flow is an important mechanism in many petroleum reservoirs. Yet no adequate method has heretofore been proposed for determining the in-situ vertical permeability in a reasonable length of ti
Jan 1, 1970
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Institute of Metals Division - Standard Stereographic Projection of Gallium (TN)
By C. G. Wilson
DURING the course of some experiments on the plastic deformation of gallium a standard stereo-graphic projection was prepared with (001) at the center and it was felt that this might be useful to othe
Jan 1, 1962
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Milling Kentucky Fluorspar Tailings
By Robert R. Walden, LaMont West
KENTUCKY'S first acid-grade fluorspar flotation mill, shown in Fig. 1, was placed in operation Aug. 1, 1952, by the Pennsylvania Salt Manufacturing Co. at Mexico, Ky. During 1951 a critical short
Jan 5, 1954
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Anaconda Accidents and Fatalities
By John Boardman
THE latest metal-mine accident report available for the United States is that of the Bureau of Mines for the calendar year 1919. Quoting from Table 20, p. 53, of that report, we find that there were 4
Jan 9, 1922
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Analysis of the Cold-rolling Texture of Iron
By Charles S. Barrett
NUMEROUS determinations1-7 of the tex-ture of cold-rolled polycrystalline iron, steel, and ferritic alloys have been made with good agreement among the various observers as to the principal features o
Jan 1, 1940