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How Policies Affect the Rates of Recovery from Mineral Sources
By John Lohrenz
Consider an investor who, knowing future costs and revenues, can choose how rapidly to produce from a given mineral source. If the investor elects to make that choice to maximize present value of futu
Jan 1, 1982
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Mineral Industry Education ? Lost Generation of Mining Graduates a Problem Demanding Attention in Postwar Period
By W. B. Plank, A. C. Callen
WAR and normalcy do not walk hand in hand, whether it be in industry, the educational field, or in the daily lives of individuals. Schools and departments offering curricula in mineral engineering hav
Jan 1, 1945
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Coal Mining Faces Transformation
By John V. Beall
During the last quarter of 1948, two new machines, which may revolutionize the coal mining industry, made their first public appearance within two months of each other. Both are designed to mine and l
Jan 1, 1949
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Cell Design For Electrolytic Silver Recovery From Various Dilute Aqueous Solutions - Summary
By Roland Kammel
For electrolytic recovery of silver from dilute aqueous solutions improved mass transfer is necessary to achieve favourable current efficiencies and high space-time yields. The many cell designs propo
Jan 1, 1984
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Health and Safety Program Short but Stimulating
By T. T. Read
TWO papers on health and safety were given Thursday afternoon when a joint session of the Health and Safety Committee and the Mining Methods Committee was held. T. T. Read presided and the first paper
Jan 1, 1943
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Microscopic Study of Ancient Bronze and Copper
By C. G. Fink
A PART of the material incorporated in this paper was derived from the studies of ancient metal objects examined by the authors from time to time for museums and art collectors, in order to verify the
Jan 1, 1936
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How To Make The Most Of A Mining Investment
By Emory J. Douglass
Mining companies are unique in that they extract mineral resources and must therefore deal with ecological disturbances and other special problems. Like most enterprises, however, their primary motive
Jan 1, 1971
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Mining News Fronts (91e15115-75ce-4867-9787-b40baa5f0401)
• Phelps-Dodge Corp. signed an agreement with the Defense Materials Procurement Agency to increase copper production from the east ore deposit of the company's Copper Queen branch at Bisbee, Ariz
Jan 11, 1951
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Factors Affecting Investment in South American Mining ? Bolivia ? Factors Affecting Investment in South American Mining ? Bolivia
By NEWTON B. KNOX
IN Bolivia, mining is still the principal economic activity, as it was before and during the Spanish Colonial period. Tin, tungsten, antimony, copper, lead, zinc, gold, silver, sulphur, and a little b
Jan 1, 1945
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Part I – January 1968 - Communications - Thermodynamic Measurements Using Atomic Absorption
By E. J. Rapperport, J. P. Pemsler
We have made calculations to evaluate the sensitivity of atomic absorption as a technique to measure vapor pressure changes with temperature. Our conclusion, supported by the experimental findings pre
Jan 1, 1969
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Round Table: Carbon in Pig Iron - Need for Research in Foundry Pig Iron (with Discussion)
By Richard Moldenke
So far as the quality of the product is concerned, the history of the production of pig iron for foundry purposes is one of constant retrogression. The steps in this deterioration began with cold-blas
Jan 1, 1927
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Need For Research In Foundry Pig-Iron
By Richard Moldenke
So FAR as the quality of the product is concerned, the history of the production of pig iron for foundry purposes is one of constant retrogression. The steps in this deterioration began with cold-blas
Jan 2, 1927
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Stabilization - Stabilizing the Oil Business
By Amos L. Beaty
The oil industry can prosper only if crude production is not excessive. This is true for several reasons. In the first place, the marketing branch of the business is so highly competitive that ther
Jan 1, 1932
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The Mayari Iron-Mines, Oriente Province, Island Of Cuba, As Developed By The Spanish-American Iron Co.
By James E. Little
(Wilkes-Barre Meeting, June, 1911.) OF the several extensive deposits of brown iron-ore in Cuba, including those of Mayari and Moa, that of Mayari was the first to be systematically explored, and was
Aug 1, 1911
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Underground Mining - Sinking and Commissioning of the Eastern Twin Shaft System at Buffelsfontein Gold Mining Co, Ltd
By G. L. Smit
The Buffelsfontein Gold Mining Company is situated in the Klerksdorp district of the Province of the Transvaal in the Republic of South Africa, approximately 100 miles west of Johannesburg. Gold pr
Jan 1, 1964
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Possibilities Of Secondary Recovery For The Oklahoma City Wilcox Sand
By Donald L. Katz
THE Oklahoma City Wilcox sand, discovered on March 26, 1930, has produced 394 million barrels of crude oil and 819 billion cubic feet of natural gas as of July 1, 1941. The 100,000-bbl. wells, pressur
Jan 1, 1941
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Coal - Chemicals from Coal Hydrogenation
By E. E. Donath
Application of the coal hydrogenation process for the production of chemicals is described. It has been estimated that a plant to produce 31,090 bbl per day of chemicals and fuels would cost $326,-
Jan 1, 1953
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Coal - Chemicals from Coal Hydrogenation
By E. E. Donath
Application of the coal hydrogenation process for the production of chemicals is described. It has been estimated that a plant to produce 31,090 bbl per day of chemicals and fuels would cost $326,-
Jan 1, 1953
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A Preliminary Report on the Application of the Mass Spectrometer to Problems in the Petroleum Industry
By Herbert Hoover
This paper is in the nature of a rough preliminary report on the progress that has been made in the application of the mass spectrometer to various problems arising in the petroleum industry. A few ye
Jan 1, 1940