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Part V – May 1968 - Papers - The Anodic Dissolution of Copper (1) Sulfide and the Direct Recovery of Copper White Metal
By Nestor Torres-Acuña, Fathi Habashi
Metallic copper of purity equal to commercial electrolytic copper is deposited during the anodic dissolution of technically available white metal, Cu2S, in m acidic solution of' copper(II) sulfat
Jan 1, 1969
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Papers - Production - Introduction (07d1e1ca-3ec7-429f-aac2-e3de3bde18a4)
By James Terry Duce
The symposium on production for the year 1940 contains few papers on the foreign situation. It is probable that the foreign part of next year's symposium will be even shorter. This is due to rigi
Jan 1, 1941
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Anthracite Production
By Evan Evans
WITH the expiration on April 30, 1941, of the agreement between the anthracite operators and the United Mine Workers of America, a new agreement was entered into, providing for a general wage increase
Jan 1, 1942
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Problems in the Flotation of Gold
By R. A., Pallanch
THOUGH the flotation of gold ores has come into the lime- light largely in recent years, it is not a product of recent economic conditions but rather as old as flotation itself. It could hardly be oth
Jan 1, 1935
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Institute of Metals Division Program Has Large and Interested Audiences
By E. A. Anderson
THIS seems to be the year for superlatives in A.I.M.E. meetings. The programs of the various Divisions and Institute committees offered an abundance of interesting and valuable information in the form
Jan 1, 1944
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Gold in the Juratrias of Southwestern Colorado
By Edward H. Bzirdick
THE territory under particular consideration in this article comprises portions of La Plata and Montezuma Counties, situated in the southwestern corner of Colorado, and around the base of the La Plata
Jan 1, 1934
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Bolivian Bismuth Industry
By Johnston, T. L.
BISMUTH is found as native metal associated with tin, copper, cobalt, silver, gold, or other metals and in a variety of ores. The more important ones are: bismuthinite (bismuth glance), Bi2S3; bismite
Jan 1, 1933
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Coal Characteristics and Utilization
By W. A. McCurdy, Joseph W. Leonard, William F. Lawrence
INTRODUCTION Utilization from the Point of View of the Preparation Engineer The primary interest of the coal preparation engineer is in process design, operation, and maintenance to produce an
Jan 1, 1979
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Silicon: Its Applications in Modern Metallurgy
By A. B. Kinzel
SILICON and its metallurgical uses have been the subject of speculation since the earliest days of modern civilization. The early philosophers, Theophrastus and Pliny, believed that silica was a speci
Jan 1, 1933
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The War's Impact on the Mineral Industry of Washington
By Milnor Roberts
WAR struck the mineral industry of Washington with cross currents that produced a peculiar result. The State's production of coal, industrial minerals, and metals for 1941, valued at $28,507,282,
Jan 1, 1944
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Reports of A.I.M.E. Annual Meeting
By AIME AIME
PRACTICALLY all the Section delegates as well as a sprinkling of Institute officers and mere members were on hand for the annual business meeting of the Institute on Monday afternoon of the Annual Mee
Jan 1, 1943
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Part IV – April 1969 - Papers - The Influence of Sample Preparation on Palmqvist's Method for Toughness Testing of Cemented Carbides
By H. E. Exner
This article is a critical review of the influence of surface preparation on crack formation at Vickers indentations in the test used by Palmqvist3-7 to evaluate the toughness of cemented carbides. E
Jan 1, 1970
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Reservoir Engineering – General - Three-Phase Fluid Flow Including Gravitational, Viscous and Capillary Forces
By M. Sheffield
This paper presents a technique lor predicting the flow of oil, gas and water through a petroleum reservoir. Gravitational, viscous arid capillary lorces are considered, and all fluids are considered
Jan 1, 1970
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Haulage Methods Stress Speed, Capacity – Railroad
For handling rough rock, the shovel-train system is unexcelled. The ideal application is a physically large, but not excessively deep, open-pit mine from which the coarsely blasted ore and waste must
Jan 10, 1967
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The Columbia School of Mines (857802df-26fb-49cd-985e-bc72d6cc51cb)
By Thomas T., Read
TWO American students entered the Ecole des Mines in 1856, Joseph Lesley of Philadelphia and Thomas Egleston of New York. Lesley remained there only one year, but Egleston completed the whole 'cu
Jan 1, 1941
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Pittsburg International Session Paper - The Iron-Ores of the United States
By T. Sterry Hunt
Jan 1, 1891
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Calculation Of The Depth Of A Magnetic Deposit
By Janshi Sen
VERTICAL-INTENSITY magnetometers, such as the Hotchkiss Superdip and the Askania vertical field balance, are now [ ] widely used, because vertical-intensity charts give definite information for the
Jan 1, 1944
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Electrostatic Concentration Or Separation Of Ores.
By Henry A. Wentworth
(New York Meeting, February, 1912.) ELECTROSTATIC separation of ores in its present form is generally known as the Huff' process from the name of Charley H. Huff, of Boston, Mass., through whose
Jun 1, 1912
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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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Building Stone of the Crab Orchard District, Tennesse
By Benjamin Gi ldersleeve
Uniquely colored, thin-bedded quartzite is quarried between Crossville and Crab Orchard in Cumberland County, Tenn. It is produced in all sizes up to the limits of transportation from beds usually ran
Jan 1, 1950