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  • AIME
    Metallurgy of Copper ? Production Still the Problem, With Metallurgical Innovations Few

    By Joseph Newton

    MUCH the same story can be told about the copper industry for the year 1944 as for the three preceding years. Operators report few or no technical changes at their plants and the main endeavor has bee

    Jan 1, 1945

  • AIME
    Institute of Metals Division - Stress Induced Twin Boundary Motion in AuCd B' and B" Alloys

    By T. A. Read, H. K. Birnbaum

    Deformation of AuCd alloys having the 8 (orthorhombic) and (3" (tetragonal) structures occurs by the stress induced motion of twin boutdaries. A restoring force acts on displaced twin boutdaries as a

    Jan 1, 1961

  • AIME
    Institute of Metals Division Program Has Large and Interested Audiences

    By E. A. Anderson

    THIS seems to be the year for superlatives in A.I.M.E. meetings. The programs of the various Divisions and Institute committees offered an abundance of interesting and valuable information in the form

    Jan 1, 1944

  • AIME
    Smelting and Labor at a Mexican Copper Mine

    By LEONARD S. AUSTIN

    THE works of The Boleo Mining Co. are situated at Santa Rosalia, Lower California, on the opposite side of the Gulf of California from Guaymas, the, nearest railroad town. The copper deposits were dis

    Jan 1, 1929

  • AIME
    Pros and Cons of Licensing Engineers

    By AIME AIME

    REGISTRATION and licensing of engineers is now being given consideration by a special committee of the Institute, authorized at the March meeting of the Board of Directors. The subject is one that has

    Jan 1, 1932

  • AIME
    Operational Statistics Of A Marion 5560 Power Shovel

    By George B. Clark

    COMMERCIAL strip mining of coal was first begun in the state of Illinois in 1911.1 The annual tonnage of coal produced from coal strip mines in the state was very small until 1924, when the strip mine

    Jan 1, 1949

  • AIME
    The Present Radium Situation

    By R. B. Moore

    IN 1914 the writer and K. L. Kithil announced, through Bulletin 70 of the U. S. Bureau of Mines, that the United States possessed the largest deposits of radium-bearing ore in the world. At that time

    Jan 1, 1930

  • AIME
  • AIME
    Division Lectures - The 1962 Extractive Metallurgy Lecture - The World's Most Complex Metallurgy (Copper, Lead, and Zinc)

    By Albert J. Phillips

    The effect of impurities on the flowsheet in the smelting and refining circuits for copper, lead and zinc is reviewed and the interflow of by-poduct metals from copper, lead and zinc plants is pointed

    Jan 1, 1962

  • AIME
    Occurrence and Exploration of Barite Deposits at Cartersville, Georgia

    By Thomas L. Kesler

    Essentially all of the barite produced in Georgia has come from the Cartersville district in the northwest part of the state. The earliest recorded shipment of ore, 60 tons, was made in 1894.1 With th

    Jan 1, 1949

  • AIME
    Boring a 5-ft. Shaft 1125 ft. Deep at the Idaho Maryland Mine

    By J. B. Newsorn

    VERTICAL SHAFTS in the United States have heretofore been sunk by blasting and mucking. The blasting leaves uneven, shattered walls which usually must be supported. Even though the walls will stand, s

    Jan 1, 1936

  • AIME
    Production - Domestic - Oil and Gas Development in Oklahoma in 1942

    By Raymond D. Sloan

    Retaining third place in crude-oil production among the nation's oil-producing states, Oklahoma's output in 1942 totaled 137,792,000 bbl., a decline of 9.4 per cent from the previous year&ap

    Jan 1, 1943

  • AIME
    Production - Domestic - Oil and Gas Development in Oklahoma in 1942

    By Raymond D. Sloan

    Retaining third place in crude-oil production among the nation's oil-producing states, Oklahoma's output in 1942 totaled 137,792,000 bbl., a decline of 9.4 per cent from the previous year&ap

    Jan 1, 1943

  • AIME
    Beneficiating Minnesota Iron Ores

    By T. B. Counselman

    WHEN one thinks of Minnesota iron ore, one thinks of big open pits, where high- grade ore is simply scooped up with a power shovel, loaded into cars, and hauled away for shipment to the blast furnace.

    Jan 1, 1941

  • AIME
    Raw Materials for the Next War

    By William O. Hotchkiss

    IN COMMON with every other good citizen I long for conditions that will make perpetual peace a reality throughout the world. I have studied the statements of our public men relating to what we must do

    Jan 1, 1943

  • AIME
    Personal Experience of the Japanese Earthquake

    WELL known member of the Institute, Henry Krumb, survived the Japanese earthquake and has written a most interesting description of his personal experience to a friend in New York, an extended excer

    Jan 11, 1923

  • AIME
    Pittsburgh Paper - The Mineral Resources of the Hudson's Bay Territories

    By Robert Bell

    The regions to which this paper refers include the whole of the Dominion of Canada east of the 130 Rocky Mountains and north of the water-shed of the St. Lawrence. Very little exploration for economic

    Jan 1, 1886

  • AIME
    Iron Ore: The Big Picture

    By E. H. Rose

    It must be evident to almost everyone by now that a massive transformation is occurring in our iron ore economy. Its equal has been seen only once before in the entire history of the North American st

    Jan 9, 1961

  • AIME
    Coal - Causes and Control of Coal Mine Bumps

    By C. T. Holland

    This discussion is concerned with those com-J- paratively infrequent bumps that eject material from the failed mass with enough energy to wreck heavy machinery and seriously injure or kill people. In

    Jan 1, 1959

  • AIME
    Institute of Metals Division - The Oxidation of 'Reactive' Uranium Carbide

    By E. W. Murbach

    The oxidation of uranium carbide by oxygen at various pressures, and by air, has been investigated at temperatures up to 600°C. Arc-melted and cast uranium carbide displays oxidation behavior that app

    Jan 1, 1963