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  • AIME
    Drift of Things

    By E. H., Edwerd H. Robie

    WILLIAM CHURCH was one of the founders and the first president of the Detroit Copper Mining Co. and was the first man to interest the Phelps Dodge company in the possibilities of the Morenci district,

    Jan 1, 1942

  • AIME
    Los Alamos - The Town of Beginning Again - A behind-the-scenes story of life in the community built around the hidden laboratory where the A-bomb was made, and where nuclear research now goes forward

    By Marie Kinzel

    LOS ALAMOS, New Mexico, the birthplace f the atomic bomb, is one of the most famous-and mysterious-places in the world. It leaped into fame on Aug. 6, 1945, when the first atomic bomb burst over Hiros

    Jan 1, 1946

  • AIME
    Minerals Beneficiation - Preliminary Report of Massco Circuitron - Discussion

    By W. J. Tait, A. E. Craig, E. P. McCurdy

    C. M. Marquard—The problem of the automatic control of a grinding-classification circuit is not nearly as simple as has been indicated and it cannot be universally solved through the application of th

    Jan 1, 1951

  • AIME
    Minerals Beneficiation - Preliminary Report of Massco Circuitron - Discussion

    By E. P. McCurdy, W. J. Tait, A. E. Craig

    C. M. Marquard—The problem of the automatic control of a grinding-classification circuit is not nearly as simple as has been indicated and it cannot be universally solved through the application of th

    Jan 1, 1951

  • AIME
    Mechanization in Coal Mining Makes Rapid Progress - Conservation of Coal Among the Desirable Results

    By Albert L. Toenges

    COAL mining technique progressed slowly until the advent of mechanized mining. The cutting machine was a forward step, but had only a limited effect upon improving the percentage of coal recovery. Pre

    Jan 1, 1946

  • AIME
    Minerals Beneficiation - Some Factors Influencing the Biological and Non-Biological Oxidation of Sulfide Minerals

    By R. B. Walker, R. Palmer, L. C. Bryner

    The purpose of this investigation was to further study some of the factors affecting the air oxidation of sulfide minerals. Data obtained from laboratory studies on the effect of temperature, concentr

    Jan 1, 1968

  • AIME
    Milling Activity Largely Confined to Gold-Silver Plants

    By Charles E. Locke

    SHARP CONTRAST exists in the reports so helpfully contributed by the individual members of the Milling Committee for this review. Those engaged in the milling of gold and silver ores report great acti

    Jan 1, 1935

  • AIME
    Temperature Compensation Of Old Type Askania Magnetometers

    By T. Koulomzine

    The theory of the Askania magnetometer, as well as a complete discussion of all factors influencing magnetometer readings, is very ably described by J. Wallace Joyce. We will assume that the reader is

    Jan 1, 1949

  • AIME
    Choice of Geophysical Methods in Prospecting for Ore

    By Hans Lundberg, Basil T. Wilson, H. Steuart Scott

    FOR the benefit of those readers who may not be in close touch with present practices in the geophysical prospecting for ore, brief reference will fiat be made to the advantages and shortcomings of th

    Jan 1, 1945

  • AIME
  • AIME
    Mining and Metallurgy - Crushing and Grinding

    By Harlowe Hardinge

    AN extensive recent trip throughout the mining districts of the Southwest, Central West, an Northwest,' reveals a numbes of interesting conditions that have influenced operators, in both large an

    Jan 1, 1929

  • AIME
    Distribution of Tensile Strength in Hard Drawn Copper Wire (ee5ff4ce-74fb-4688-88ab-abc048467c6b)

    By Frank Harris

    THE strength of hard drawn copper wire is a question of considerable importance to both manufacturer and consumer. Unlike steel and alloy wires, in which strength is governed by both chemical and phys

    Jan 1, 1928

  • AIME
    Ore Concentration ? Four Plants Use Selective Flotation on Complex Ores

    By T. R. Wright

    THE Corporation operates concentrators in four camps: Casapalca. Morococha, Cerro de Pa-co, and Mahr. The present concentrator at Cerro de Pasco is the newest having been completed in 1943. and that a

    Jan 1, 1945

  • AIME
    Wrought Iron In Today's Industrial Picture

    By James Aston

    A PROPER consideration of this subject is not confined to the technical channels of production and metallurgy. It concerns an industry, and should cover economic aspects which are of material importan

    Jan 1, 1935

  • AIME
  • AIME
    Iron Ore Stacker at the Mesabi Chief Mine

    By S. A. Mahon

    AN interesting feature among the mining structures, on the Mesabi. iron range is the iron ore stacker erected in 1934 at the Mesabi Chief washing plant at Keewatin, Minn. It is built of structural ste

    Jan 1, 1935

  • AIME
    Economic Survey of Bituminous Coal

    By W. A. Forbes

    OUR present-day geological surveys show that 36 of our States are underlain with bituminous coal, covering a total area of 496,709 square miles. The North American continent possesses 69 per cent of t

    Jan 1, 1932

  • AIME
    Coal Division Views Year's Progress

    By THOMAS G. FEAR

    THE COAL DIVISION started its share of the annual meeting Monday morning with a study of coal classi fication. A. C. Fieldner was in the chair. The report of the tellers of the ballot for division cha

    Jan 1, 1932

  • AIME
    Production of Graded Glass Sand by Grinding and Classification (f50ff9fd-cdce-4350-b00e-d0603e84dcc4)

    By M. M., Fine

    In a laboratory study of grinding and classification' of silica sand, a satisfactory means of producing the medium-fine specification sand desired by producers of flint-glass containers was devel

    Jan 1, 1950

  • AIME
    Chicago Paper - Method of Curtailing Forces at the Copper Queen (with Discussion)

    By C. F. Willis

    The problem of the curtailment of forces in large numbers does not often come to employment departments and is, therefore, a problem that many departments are not prepared to handle intelligently. Tho

    Jan 1, 1920