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Extractive Metallurgy Division - The Present State of Titanium Extractive Metallurgy
By W. J. Kroll
Jan 1, 1960
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Geology - Seasonal Variations in Copper Content of Stream Sediments in British Columbia
By H. E. Hawkes, D. A. Barr
Time variations in the copper content of the sediments of streams draining mineralized areas were studied in two areas of contrasting climatic environment, one in northern and one in southern British
Jan 1, 1963
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Logging and Log Interpretation - The Borehole Televiewer – A New Logging Concept for Fracture Location and Other Types of Borehole Inspection
By R. L. Caldwell, E. E. Glenn, L. J. Norton, A. J. D. Straus, S. V. Holcomb, J. Zemanek
A new and unique logging tool, called the Borehole Televiewer (BHTV), has been developed to inspect boreholes and to evaluate formations. Even though geologists and engineers have had only about 3 yea
Jan 1, 1970
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Employment (50504a98-4285-4762-9b12-a0d61a065bc0)
ENGINEERS AVAILABLE (Under this heading will be published notes sent to the Secretary of the Institute by members or other persons introduced by members.) Member, technical graduate, aged 36. Ex
Jan 9, 1915
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Minerals Beneficiation - Countercurrent Decantation: When and Why
By E. J. Roberts
Hydrometallurgical operations and many processes in the chemical industry require the separation of dissolved material from solids. One of the decisions which has to be made in designing a plant for s
Jan 1, 1961
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Extractive Metallurgy Division - Self-Diffusion of Copper in Molten Copper
By Ling Yang, John Henderson
Self-diffusion coefficients of copper in molten copper have been measured by the capillary reservoir method in the temperature range 1140o to 1260°C. The results can be represented by the equation D
Jan 1, 1962
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Minerals Beneficiation - Study of Grinding-Ball Wear Employing a Radioactive-Tracer Technique
By J. E. Campbell, A. W. Wesner, M. Pobereskin
This paper summarizes the results of an investigation sponsored by The Coates Steel Products Company. The objective was to determine the relative effects of certain chemical and physical properties on
Jan 1, 1961
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Institute of Metals Division - Solid Solubility of Magnesium in Some Lanthanide Metals
By R. R. Joseph, K. A. Gschneidner
The solid solubility of magnesium in the close-packed modifications of lanthanum, cerium, praseodymium, neodymium, gadolinium, dysprosium, and lutetium was determined from approximately 250°C to the e
Jan 1, 1965
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Gasoline From " Synthetic " Crude Oil. (8e368c3a-75f6-404e-9aa7-addb171dd4a2)
By Walter O. Snelling
Discussion of the paper of WALTER 0. SNELLING, presented at the San Francisco meeting, September, 1915, and printed in Bulletin No. 100, April, 1915, pp. 695 to 704. A. C. McLAUGHLIN, San Francisco,
Jan 1, 1916
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Drilling – Equipment, Methods and Materials - Mechanics of Differential Pressure Sticking of Drill Collars
By H. D. Outmans
A method has been developed for determining the relative water wet-tability (fraction of the surface wet by water) of porous media. This method involves the adsorption of methylene blue dye from an aq
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Solution Mining Of Evaporites And Its Relationship To The Future Of Hydrometallurgy
By Charles H. Jacoby
The solution mining of evaporites has a history of approximately 5,000 years. The insitu leaching of metalliferous ore will have many of the same characteristic problems which have confronted industry
Jan 1, 1974
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Technical Notes - A Centrifuge Core Cleaner
By David B. Burrows, Francis R. Conley
INTRODUCTION A prerequisite to the evaluation and management of oil properties is accurate information derived from the analysis of core samples; but reliable data, such as porosity and permeabilit
Jan 1, 1957
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Minerals Beneficiation - Advances in Magnetic Separation of Ores
By L. A. Roe
Magnetic separation of iron ores is one of the fastest-growing segments of the minerals beneficiation industry. The tonnage of taconite ores processed annually by magnetic separation will, in a few ye
Jan 1, 1959
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Butte Paper - Preparation of Ore Containing Zinc for the Recovery of Other Metals, Such as Silver, Gold, Copper, and Lead, by the Elimination and Subsequent Recovery of the Zinc as a Chemically Pure Zinc Product (with Discussion)
By S. E. Bretherton
This title introduces the subject I wish to describe to my fellow members, very few of whom, I 'hope, have ever had as much trouble with the smelting of ore containing much zinc, either in the le
Jan 1, 1914
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Minerals Beneficiation - Tailing Disposal at the Morenci Concentrator
By P. F. Allen
WITH capacity of 51,000 tpd, the Morenci concentrator produces approximately 49,000 tons of tailing for final deposition. Disposal involves distribution of thickened tailing to dams in such a manner t
Jan 1, 1957
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Economics of the Mineral Industry - Changing Conditions Compel New Concepts of Mineral Engineering
By P. T. Allsman
INTRODUCTION The honor of being the recipient of the Mining Society's Daniel C. Jackling Award for 1966 imposes on me the responsibility to search for the subject that I would be best qualifie
Jan 1, 1967
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Smelting at the Arizona Copper Co.'s Works
By F. N. Flynn
- Introductory IN 1882, The Arizona Copper Co. Ltd., acquired producing copper mines at Metcalf and Morenci (locally called Longfellow). Metcalf is situated a distance of 7 miles, and Morenci a dist
Jan 9, 1916
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Institute of Metals Division - The Solid Constitution in the Magnesium-Rich Region of the Mg-Ca-Zn Phase Diagram (TN)
By J. B. Clark
In 1933, R. paris1 published a phase diagram for the entire Mg-Ca-Zn system. He reported the existence of a ternary intermetallic phase, Mg5Zn5Ca2, which formed a quasi-binary with the magnesium solid
Jan 1, 1962
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Further Discussion on Pressure Drawdown and Buildup in the Presence of Radial Discontinuities
By H. K. VAN POOLLEEN, W. Hurst, H. C. Bixel
In an earlier publication* I showed the development of the instantaneous point source solution for a well producing at a constant rate at the center of a system of two radial, adjoining sands of diffe
Jan 1, 1969