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Mineral Titles And Concessions
By Northcutt Ely
This chapter deals with the systems of laws by which governments regulate the exploration for and production of the minerals within their jurisdictions. It is a summary, restricted by necessary space
Jan 1, 1964
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Petroleum Facts and Fancies
By F. G. Clapp
IT is to be hoped that no casual reader will erroneously refer to the latest publication' of the Division of Public Relations of the American Petroleum Institute, as being "Petroleum Facts and Fa
Jan 1, 1929
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Alumina From Oil Shale
By John Ward Smith
Dawsonite-bearing oil shale of Colorado's Green River formation offers a unique and vast (more than 5.9 Gt of A120 j) resource of easily extractable alumina. The processing methods required by th
Jan 1, 1982
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Technical Papers and Discussions - Lithium - Laboratory Preparation of Lithium Metal by Vacuum Metallurgy (Metals Tech., June 1947, TP 2179)
By A. W. Schlechten, W. J. Kroll
As this paper is written, the only method for the commercial production of lithium metal is by the fusion electrolysis of LiC1-KC1 mixtures, as first proposed by Gunkz.2 The details of the industrial
Jan 1, 1949
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The Use Of Nodulized Ore In The Blast Furnace. (1d9c5e40-a295-40d6-9332-f495be17d151)
Discussion of the paper of Robert Henry Lee, presented at the New York Meeting, October, 1913, and printed in Bulletin No. 82, October, 1913, pp. 2515 to 2522. J. E. JOHNSON, JR., New York, N. Y.:-Th
Jan 12, 1913
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Mechanized Mining Assures Future Productivity at Sweden's Stekenjokk Copper-Zinc Project
By Ta M. Li
How do you convert a copper-zinc resource into a viable economic mining operation? This problem, unlike most, was complicated by the additional presence of a sub-arctic climate, highest labor costs in
Jan 12, 1977
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Endowment Funds (91cad088-f5c2-4986-beae-7638b7992e0a)
The income of the Institute is derived from dues, subscriptions to MINING AND METALLURGY and sale of publications. These sources are fortunately supplemented by the interest from invested funds now am
Jan 1, 1923
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Corrosion Problems in Pumping Acid Mine Water
By G. Reinberg, C. D. Clarke
Most underground mining operations are dependent on pumping installations to keep the mine unwatered. The reliability of such installations is obviously of paramount importance. The volume of water to
Aug 1, 1956
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How Detachable Bits Have Cut Mining Costs
By W. M. Ross
AMONG the comparatively few A radical changes in mining equipment in recent years is the introduction and use to an ever greater degree of detachable bits for rock drills. Just how great the possible
Jan 1, 1939
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Further Discussion - Further Discussion on Water Gas Reservoirs: Uncertainty in Reserves Evaluation From Past History
By W. Hurst
The authors of this paper, in substituting values in a material balance equation associated with a gas reserve and a water drive, cannot find sustainment of what the gas in place should be; therefore,
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Dravo Systems Enhance Offshore Mining Prospects
By Homer S. Frankhouser
Materials may be dredged, processed, stored and loaded for shipment at a single site in water depths ranging from 250 to 1200 ft. Solution mining may also be accomplished in deep sea situations. And,
Jan 1, 1971
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Institute of Metals Division - Observation of Slip, Twinning, and Cleavage in Iron-Phosphorus Solid Solutions
By E. Hornbogen
The deformation mechanisms of a iron-phosphorus alloys were compared at 20oand —196°C. Alloying with phosphorus increases the resistance to slip, but has little effect on the resistance to twinning. T
Jan 1, 1961
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Virginia Beach Paper - Discussion (continued) of Prof. Pošepný's paper on the genesis of ore-deposits (see vol. xxiii., pp. 197 and 587)
Discussion, at the Virginia Beach Meeting, February, 1894, of the Paper of Prof. Posepny. (Trans., xxiii., 197, 587.) Including communications subsequently received. a T. A. Rickard, Denver, Colora
Jan 1, 1895
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Atlantic City Paper - Discussion of Mr. Keller's paper on the Elimination of Impurities from Copper- Mattes in the Reverberatory and the Converter (see p. 127)
E. D. Peters, Jr., Dorchester, Mass.: This paper of Mr. Keller's seems to me a step in a direction that has been very little exploited, and iff likely to lead to valuable practical re-
Jan 1, 1899
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Papers - Studies upon the Widmanstatten Structure, V-The Gamma-alpha Transformation in Pure Iron (With Discussion)
By Robert F. Mehl, Dana W. Smith
It has been shown that quenched iron of high purity exhibits a Wid-manstiitten figure much resembling martensite in appearance.1 This figure exhibits a maximum of four directions of the surface traces
Jan 1, 1934