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Correlation Between High Frequency Acoustic Emission And Stress Redistribution In Potash Mining
By James B. Vance, Parviz Mottahed
An extensive research program has been carried out at PCS Mining for some time into the use of high frequency microseismic emissions in the range of 30-200 kHz for roof fall warning in the mines. A la
Jan 1, 1984
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St. Louis Paper - Characteristics of Zinc Deposits in North America (with Discussion)
By Frank L. Nason
The complete statistics of zinc-ore production in the United States for 1916 are not yet available. The following figures are, therefore, only approximate. The total production of concentrates for thi
Jan 1, 1918
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Elimination of Metalloids in the Basic Open-hearth Process*
By Keats, J. L.
IN THE literature on the elimination of metalloids in basic open-hearth practice, there are a great many heats recorded in which excellent data on changes in slag and metal composition during refining
Jan 1, 1957
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Anthony F. Lucas Memorial and the Man for Whom It Is Named
By AIME AIME
THE Board of Directors of the Institute has authorized the appointment of a committee to draw up rules of procedure under which awards can be made from time to time to petroleum engineers for outstand
Jan 1, 1936
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From Indian Scrapings To 85-Ton Trucks: The Development Of Chino
By W. A. Gibson, A. D. Trujillo
The Santa Rita copper deposit first served as a source of native copper for Indian implements and weapons. In 1801 Santa Rita copper, trans- ported by mule train to Chihuahua, began to be used commerc
Jan 1, 1966
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Some Practical Aspects of Mineral Industries Education in the Latin Americas
By Edward Steidle
TWO years ago the Committee on Latin American Education Relations, Mineral Industries Education Division, started a study of mineral industries education in the Latin Americas. Information was obtaina
Jan 1, 1945
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Tomorrow's Metals
By Pual M. Tyler
BLIZKRIEG tactics in the present war have consumed metals on such a profligate scale that some of the best-laid procurement plans for civilian and military needs of even a year ago seem in retrospect
Jan 1, 1942
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C. H. Mathewson, New President, A.I.M.E.
By AIME AIME
MODERN metallurgy is an art and a science. The art is process metallurgy-extracting metals from their ores, refining them, and alloying them with one another and with certain nonmetals to produce ther
Jan 1, 1942
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Gas Masks and Respirators for Metal Mines
By J. T. Ryan
POISONOUS, irritating, or explosive gases are found in almost every industry, and manufacturers of gas masks are called upon to provide gas mask protection for a great variety of conditions, such as o
Jan 1, 1926
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63. Geology and Ore Deposits of the Questa Molybdenum Mine Area, Taox County, New Mexico
By Robert H. Carpenter
Molybdenite mineralization occurs in the hood zone of the Questa mine aplite-porphyry intrusive, one of the three sil ica-rich intrusive5 occurring along the east-west trending Red River Trench that c
Jan 1, 1968
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Coal In 1966 - A Year Of Continued Prosperity. . . And Continued Challenge
By H. William Ahrenholz
The coal industry had another prosperous year in 1966. Since the turn of the decade, production has been climbing at an average rate of 6% per annum. Although the fast pace slackened somewhat, 1966 pr
Jan 2, 1967
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Dust Control in the Reduction Works
By AIME AIME
THOUGH the dust-control systems in the crushing plants and other buildings at Morenci do not differ materially from similar installations in other large copper reduction works, it is probable that in
Jan 1, 1942
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The Mineral Wealth Of America.*
By R. W. Raymond
ALL history testifies that the mineral resources of a region have furnished both the impulse for its first development by man, and the foundation for its subsequent occupation by civilized and prosper
Mar 1, 1909
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Lake Superior Paper - The Fullers' Earth of South Dakota
By Heinrich Ries
Fullers' earth is a clay-like substance, which has the property of decolorizing or clarifying oils. An ultimate chemical analysis shows it to differ from most ordinary clays in having usually a h
Jan 1, 1898
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Chicago Paper - Federal Taxation of Mines (with Discussion)
By L. C. Graton
The federal taxes on incomes and excess profits are of course heavy. In 1917, the value of the mineral production of the United States was a little in excess of $5,000,000,000. The total of federal ta
Jan 1, 1923
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Chicago Paper - Federal Taxation of Mines (with Discussion)
By L. C. Graton
The federal taxes on incomes and excess profits are of course heavy. In 1917, the value of the mineral production of the United States was a little in excess of $5,000,000,000. The total of federal ta
Jan 1, 1923
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Exploration Of Cuban Iron-Ore Deposits.
By DIFTIGIHT E. WOODBRIDGE
(Glen Summit Meeting, June, 1911,) DURING April, May, and June, 1910, I was in charge of an examination of the greater part of the Moa iron-ore area in Oriente Province, Cuba, on the north coast, nea
Mar 1, 1911
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New York Paper - Corrosion of Copper Alloys in Sea Water (with Discussion)
By W. H. Bassett, C. H. Davis
The late J. P. Sparrow, chief operating engineer of the New York Edison CO., carried out a series of practical tests on condenser tubes of several copper alloys and reported on the results to the Asso
Jan 1, 1925
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Production Engineering
By F. B. Plummer
PROGRESS during 1940 in oil-production technology has been confined largely to a steady advancement in practices inaugurated in previous years, rather than the introduction of any new startling proce
Jan 1, 1941
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The New Horadiam Method Of Mining At Copper Mountain
By C. H. Brehaut, W. N. Taylor, R. S. Douglas, H. A. Shannon
THE name for this new method of mining is derived from a composition of Horizontal, Radial, Diamond, and the drilling is from raises. This method, worked out at Copper Mountain, B.C., is believed to b
Jan 1, 1945