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Industrial Minerals Review – 1972 - Foreword
By J. F. Havard
The enterprises based upon the industrial minerals are diversified in geologic habit, mining systems, processing techniques and marketing methods. Nevertheless, in 1972 these enterprises faced many of
Jan 1, 1973
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Minerals Beneficiation - Relationship Among Size Modulus, Size Ratio and the Integral Rate at Which Fines Are Produced
By A. L. Mular
Two equations express the integral rate at which fines are produced from a homogeneous material: It has been demonstrated that the Gaudin-Meloy distribution for single fracture is equally applicabl
Jan 1, 1962
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Industrial Section (ea32135b-11f0-4a3d-8254-29f8fc027276)
Pulverized Fuel Combustion The apparatus shown in the illustration is a complete equipment f r supplying coal to boiler and metallurgical furnaces, cement and lime kilns, dryers, and to all furnaces
Jan 11, 1915
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Division Lectures - The Forty-first Henry Marion Howe Memorial Lecture; The Climate of Extractive Metallurgy in the 1960’s
By F. D. Richardson
STAFF: Editor, Gerhard Derge Carnegie lnstitute of Technology Schenley Park Pittsburgh, Pa. 15213 Editorial Assistant, M. A. Redmerski Production Editor, Otto T. Johnson THE METALLUR
Jan 1, 1964
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Institute of Metals Division - Free Energy of Formation of Cementite and the Solubility of Cementite in Austenite
By R. W. Gurry, L. S. Darken
The solubility of cementite in austenite is computed by thermodynamic methods from the observed solubility of graphite. It is found that the solubility of cementite is greater than that of graphite in
Jan 1, 1952
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Reservoir Engineering – General - Crossflow Effects During an Idealized Displacement Process In a Stratified Reservoir
By F. F. Skiba, P. J. Root
A mathematical model has been used to investigate crossflow effects in a stratified reservoir during an idealized displacement process. A process in which one incompressible fluid displaces completely
Jan 1, 1966
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The Alpha Solid Solution Field Of The Copper-Manganese-Zinc System
By J. R. Long, A. H. Roberson, T. R. Graham, R. S. Dean
EXPERIMENTAL work on the properties of high-purity alloys of the copper-manganese-zinc system has necessarily required extensive metallographic work to determine the equilibrium conditions in this sys
Jan 1, 1945
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Coal - Characteristics of Coal Preparation Plant Slurries (Mining Engineering, Jan 1960, pg 49)
By H. B. Charmbury, D. R. Mitchell
Everyone in the coal industry from top management to the preparation engineer is vitally interterested in recovering as much salable coal as possible from the run-of-mine product. Coal losses from a p
Jan 1, 1961
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Minerals Beneficiation - Theoretical and Experimental Studies of the Kinetics of Grinding in a Ball Mill
By F. W. Bowdish
A theoretical and experimental laboratory study has shown that the rate of breaking of oversized particles in a ball mill is proportional to 1) the concentration of such particles, and 2) the area of
Jan 1, 1961
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Logging and Log Interpretation - Evaluation of Porosity Derivation from Neutron Logs
By R. H. Widmyer, G. M. Wood
This investigation was prompted by the absence of a simple, accurate method to predict optimum second stage separation pressure in three stage separation operations. Three stage separation as used her
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Geophysics - Uses of Geophysics in Subsurface Surveying
By D. F. Malott
The Michigan Dept. of State Highways makes extensive use of geophysics for subsurface surveying which would be applicable for uses in other fields. Examples of resistivity surveys are given which incl
Jan 1, 1970
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Geophysics - AFMAG: A New Airborne Electromagnetic Prospecting Method
By S. H. Ward
Since the advent of the first airborne electromagnetic system, it has been evident that such systems were inherently limited to shallow depths of exploration of the orderof 100 to 200 feet. Hence in 1
Jan 1, 1961
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List of Members ? corrected to November 15, 1905
By AIME AIME
American Institute of Mining Engineers. (Organized in 1871, and Incorporated in 1905.) OFFICERS. For the year ending February, 1906. Directors JAMES GAYLEY (President), R. W. RAYMOND (Secretary),
Jan 1, 1906
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Rocky Mountain Members (c1a2a9f3-c955-4e2d-ac08-ec99d3500237)
Albin. B . R Billings. Mont . '28 Amnter . Nathan L 26 Broad St.. New York . N . Y . '28 Bache . Jules S 42 Broadway. New York. N . Y . '28 Borrett . C . P . 5338 Harper Ave .. Chi
Jan 1, 1929
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A Metallographic Study of Internal Oxidation in the Alpha Solid Solutions of Copper
By Frederick Rhines
PURE copper that has been allowed to oxidize at an elevated tempera-ture in the air is found to be covered with two distinguishable layers of oxide scale. The outer of these, which is very thin, is co
Jan 1, 1940
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Jacksonville Plant Titanium
By J. C. Detweiler
THE Jacksonville plant of Humphreys Gold Corp., operating under leases from National Lead Co. and Rutile Mining Co. of Florida, recovers rutile, ilmenite, zircon, and monazite from an ancient beach de
Jan 1, 1952
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Boston Paper - Mining and Storing Ice
By William P. Blake
We are so familiar with water in its liquid and its solid form, that we seldom think of it as a mineral, and still less as a mineral product of any considerable industrial importance, though in the fo
Jan 1, 1883
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Mining-Conditions In The Belgian Congo (Congo Free State).*
By Sydney H. Ball
I. INTRODUCTION. DURING the past 50 years the attention of mining-men has been turned to Africa, and within the past decade prospecting-expeditions sent into Central Africa have resulted in the openi
Apr 1, 1910
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The Geology, Mining, And Preparation Of Barite In Washington County, Missouri.*
By A. A. Steel
(Spokane Meeting, September, 1909.) DURING. the summer of 1905 I was employed by the U. S. Geological Survey to investigate the geology, Mining, and preparation of barite in most. of the fields of th
Feb 1, 1910