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Geophysics - Geophysical Activities in 1945 and the Geophysicists' Part in the War
By C. A. Heiland
THIS year's review of geophysical activities has a somewhat different complexion than usual. With the ending of the war, the time seems opportune to supplement the customary report on operations
Jan 1, 1946
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38. The Uranium Mining Industry and Geology of the Monument Valley and White Canyon Districts, Arizona and Utah
By Roger C. Malan
The Monument Valley and White Canyon districts are in northeastern Arizona and southeastern Utah. Exploration and mining for uranium has been conducted in these districts since the late 1940's. In Jul
Jan 1, 1968
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Petroleum Production - Foreign - Russian Oil Fields 1927 and 1928
By Basil B. Zavoico
The production of all Russian fields incressed from approsimatctly 74,000,000 bbl. during 1926-27, to approximately 83,000,000 bbl. during 1927-28. Of this amount Baku was responsible for 54,.500,000
Jan 1, 1929
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Opportunities for Mining and Metallurgical Engineers in the Rock Products Industries
By Nathan C. Rockwood
WHILE mining engineers have been searching in far corners of the country and of the world for hidden wealth there has grown up around us in nearly every city great wealth-producing mines calling for t
Jan 1, 1924
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Philadelphia Paper - Copper Refining in the United States
By T. Egleston
The materials containing copper which are refined in the United Statrs, are, for the most part, the natiye noppers of Lake Superior. IJntil quite recently but little pig copper Was made for sale, and
Jan 1, 1881
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Nondestructive Inspection of Metals
By A. V. De Forest
INSPECTION and test methods of great diversity have been used from the most ancient times to select raw material, control its manufacture, and appraise its finished properties and value. The "miller t
Jan 1, 1940
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Minerals Beneficiation - Recent Developments in Pebble Milling
By B. S. Crocker
Pebble grinding was used at Lake Shore Mines in 1949. A full description of experimental evidence and test plant results was published in 1952 1 and further operating details in 1954 2.' In more
Jan 1, 1960
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Progress in Metal Mine Safety
By James K. Richardson
STATISTICAL evidence shows that continued efforts made by Government and industry to make mining safer during the last two decades have had most favorable results. In the copper-mining industry an acc
Jan 1, 1948
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Institute of Metals Division - The Determination of Solid Solubilities by Quantitative Metallography of a Single Alloy (TN)
By R. E. Morgan, D. L. Douglass
The determination of phase relationships and solid-solubility limits can be performed by quantitative metallography in addition to the usual X-ray and metallographic techniques. For example, Beck and
Jan 1, 1960
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Institute of Politics Discusses Minerals
By AIME AIME
AT Williams College, in the quaint old New England town where people still go to the post office for their mail, an interesting institution has come into being as one of the aftermaths of the peace co
Jan 1, 1926
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Electrical Mapping of Oil Structures
By J. J. Jakosky
THE method of electrical mapping of oil structures to be described possesses certain limitations, as well as certain definite advantages. It, in common with other geophysical methods, is not a panacea
Jan 1, 1936
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Notes On Ruffs Carbon-Iron Equilibrium Diagram.
By Henry M. Howe
(Cleveland Meeting, October, 1912.) Manuscript received Aug. 20, 1912. PROFESSOR RUFF'S most illuminating paper' describing his extremely valuable investigation of the carbon-iron equilib
Nov 1, 1912
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Electric Mine-Hoists.
By D. B. RUSHhIORE
I. INTRODUCTION. OF primary importance in mine-installations is the hoist, which has a very direct bearing on the successful operation of a mine. Conditions vary greatly with different mines, and esp
May 1, 1910
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Notes on the Fatigue of Non-ferrous Metals
By H. F. Moore
DURING the last six years, there have been many extensive investigations of the fatigue of metals. The major work of 'these investigations has been the determination of constants for fatigue stre
Jan 1, 1925
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Industrial Minerals - Resources and Utilization of North Carolina Pyrophyllite
By Jasper L. Stuckey
PYROPHYLLITE, first identified as soapstone,' later as agalmatolite,2 and finally as pyrophyl-lite, has been known to occur in North Carolina for more than 130 years and has been produced intermi
Jan 1, 1959
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Advancement in Iron and Steel Metallurgy
By J. S. UNGER
A LARGE proportion of the coke used is made in the by-product oven from the high-volatile coals mined in the adjacent district. At the beginning it was feared good by-product blast-furnace coke could
Jan 1, 1926
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Notes on the Physical Action of the Blast-Furnace
By J. E. Johnson
IT is the purpose of the present paper, while not excluding chemical considerations, to deal more extensively with some of the physical and mechanical aspects of the blast-furnace process, and to poin
Sep 1, 1905
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Canadian Paper - Notes on Mine-Surveying Instruments, with Special Reference to Mr. Dunbar D, Scott's Paper on their Evolution, and its Discussion
By Benjamin Smith Lyman
PAGE I. ANCIENT HISTORY,........... 57 Accepted Fables ; Babylonian Mapping ; First Surveying. II. COMPASS,.............59 Chinese Invention; Marco Polo; First European Compasses ; Early Knowledg
Jan 1, 1902
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Comparison of American and Foreign Rail-Specifications, With a Proposed Standard Specification to Cover American Rails Rolled for Export
By Albert Ladd Colby
A GLANCE through the Bibliography appended to this paper will show that the Transactions of this Institute contain what virtually contitutes a history of the development of the manu¬facture of steel r
Sep 1, 1906
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The Battle of the Metals
By Percy W. Bidwell
THE statisticians had defeated Germany months before she invaded Poland. With batteries of adding machines they had proved that she was suffering from serious deficiencies in critical food- stuffs and
Jan 1, 1940