Volume 226
Society of Mining Engineers of AIME 1963
Coal, Economics, Industrial Minerals, Geology, Geophysics, Mining, Minerals Beneficiation

Title Page

Foreword by Edward G. Fox

Contents

Coal

TITLE	AUTHOR
Application of Coal Petrography to Coal Preparation	J. A. Harrison
Automatic Coal Sampling System	C. D. Allman
Distribution and Forms of Sulfur in a High Volatile Pittsburgh Seam Coal	R. J. Gray, N. Schapiro and G. D. Coe
Encapsulated Hydraulic Cells for Measuring Pressure Changes in Coal	P. J. Mudra and R. Sporcic
Evaluation of Coal Flotation Frothers on a Yield-Selectivity-Cost Basis	F. J. Chernosky
Hazards Encountered in Mining Thick, Inclined Coal Beds	E. C. Olsen
Kinetic and Dynamic Relationships in Coal Flotation	J. M. W. Mackenzie and G. H. Matheson
Probability Simulation for Mine Haulage Systems	T. V. Falkie and D. R. Mitchell
Progress in Longwall Mining	M. Schmellenkamp
The Effects of Inerts Upon the Ignitibility of Pulverized Bituminous Coal	T. S. Spicer and R. W. Borio
The Fluid Network Analyzer as an Aid in Solving Mine Ventilation Distribution Problem	E. J. Harris
Wet Scrubbing of Coal Dust From Thermal Dryers with the Peabody Scrubber	T. Gleason

Economics

TITLE	AUTHOR
History, Growth and Development of a Small Mining Company (1963 Jackling Lecture)	A. B. Bowman
Pay-out! Its Power to Reflect Mine Profitability	L. D. Clark
Some Problems in the Allocation of Exploration Efforts	W. A. Coster and A. Weiss

Geology

TITLE	AUTHOR
An Eltran Electrode Configuration as Applied to Electrical Resistivity Exploration	F. A. Seward
An Extension to Moore's Method of Interpretation of Earth Resistivity Measurement	V. V. J. Sarma
Quantitizing Geological Parameters for the Prediction of Stable Slopes	W. C. Lacy
Seasonal Variations in Copper Content of Stream Sediments in British Columbia	D. A. Barr and H. E. Hawkes
Some Behavioral Aspects of Molybdenum in the Supergene Environment	S. R. Titley
Suggested Volcanic-Syngenetic Origin for Certain European Massive Sulfide Deposits	J. D. Ridge
Use of Nonparametric Statistical Tests in the Interpretation of Geological Data	T. G. Lovering

Industrial Minerals

TITLE	AUTHOR
Cyclone Classification of Artificial Abrasive Powders	H. G. Papacharalambous and S. C. Sun
Dewatering and Processing Kaolin Clays	W. M. Phillips
Distillation Processes for Saline Water Conversion	A. N. Chirico
Effect of Ultrasonic Energy of Chrysotile Asbestos	E. Martinez
Petrographic Techniques in Perlite Evaluation	F. L. Kadey Jr.
Reclamation of Phosphate from a Florida Washer Slime by Flotation	S. C. Sun and F. J. Smit
Some Aspects of the Hydration of Portland Cement	S. Brunauer

Minerals Beneficiation

TITLE	AUTHOR
A Comparison of Grinding Mills in Grinding Phosphate Rock	J. L. Green
A General Theory of Comminution	F. X. Tartaron
A Kinetic Study of Silica Adsorption on Thoria Surfaces	J. S. Cho and M. E. Wadsworth
A Study of the Equilibrium Ion-Exchange Properties of an Oxidized Calcareous Iron Ore	F. W. Bowdish
Adsorption of Hexyl Mercaptan on Gold	F. F. Aplan and P. H. de Bruyn
Analysis of Data from Continuous Flotation Tests	C. C. Harris, A. Jowett and S. K. Ghosh
Analysis of the Wash Thickener-Two Stage Filtration Circuit	R. S. Olson
Application of Heavy-Liquid Processes to Minerals Beneficiation	L. A. Roe and E. C. Tveter
Applications of Hydrocyclones and Sieve Bends in Wet Treatment of Coal, Minerals and Mineral Products	H. H. Dreissen and F. J. Fontein
Chrysocolla Studied by Differential Thermal Analysis and Infrared Spectrophotometry	E. Martinez
Coadsorption of Dodecylamine Ion and Molecule on Quartz	R. W. Smith
Collectors for Flotation of Brannerite and Uranothorite	J. Y. Somnay and D. E. Light
Concentration of Silicate Minerals by Tetrabromoethane (TBE)	A. M. Baniel, A. Mitzmager, J. Mizrahi and S. Star
Contact Angle Hysteresis - Principles and Application of Measurement Methods	A. M. Gaudin, A. F. Witt and T. G. Decker
Evaluating Copper Segregation Results by Screen Sizing Analysis	A. Sutulov
Feed Size Effects in Single Particle Crushing	B. H. Bergstrom, D. D. Crabtree and C. L. Sollenberger
Flotation of Chalcopyrite by Xanthates and Dizanthogens Under Oxidizing Conditions	C. R. Ramachandra and C. C. Patel
Grain Motion on a Movable Plane	F. J. Lecznar
Heavy Liquid Separation of Halite and Sylvite	A. Adams and W. B. Dancy
Infrared Identification of Silica Adsorbed on Thoria Surfaces	J. S. Cho and M. E. Wadsworth
Molecular Associations in Flotation	M. H. Buckenham and J. H. Schulman
Molecular Associations in Flotation - Correction	M. H. Buckenham and J. H. Schulman
Preferential Energy Consumption in Tumbling Mills	P. Somasundaran and D. W. Fuerstenau
Production of Self-Fluxed Pellets at the Republic Mine Grate-Kiln Plant	E. B. Johnson
Properties of Heavy Liquids	W. L. O'Connell
Review of Progress in Pelletizing Iron Ore Concentrates	A. English and M. J. Greaves
Shiploading Bulk Materials at Long Beach, Calif	C. L. Vickers Jr. and A. H. Tousley
Significance of Double Bonds in Fatty Acid Flotation - A Flotation Study	G. Purcell and S. C. Sun
Significance of Double Bonds in Fatty Acid Flotation - An Electrokinetic Study	G. Purcell and S. C. Sun
Some Applications of Hydraulic Cyclones in Hydrometallurgical Processes	D. F. Kelsall
Studies on the Flotation of Chrysocolla	F. W. Bowdish and T. P. Chen
Sulfonate Flotation of Beryl	M. C. Fuerstenau and R. B. Bhappu
The Development of Fluxed Pellets	K. E. Merklin and F. D. DeVaney
The Role of Hydrolysis in Sulfonate Flotation of Quartz	M. C. Fuerstenau, C. C. Martin and R. B. Bhappu
The Siphonsizer Deslimer and Classifier	L. D. Keller

Mining

TITLE	AUTHOR
A Comparison of Metallized Explosives	C. H. Grant and V. N. Cox
Analysis of Pit Slides in Some Incompetent Rocks	D. F. Coates, K. L. McRorie and J. B. Stubbins
Experimental Impact Craters in Basalt	J. Moore, D. Gault and R. V. Lugn
Factors Affecting the Angle of Slope in Open Cast Mines	J. E. Jennings and R. A. L. Black
Failure in Geologic Material Containing Planes of Weakness	L. Adler
Rail-Belt Haulage System	C. E. Johnston
Recent Development of Stability Studies of Steep Rock Slopes in Europe	K. W. John and L. Mueller
Stress Distribution Around a Vertical Crack in a Mine Roof Beam	F. D. Wright and M. B. Mirza
Underground Mining in Minnesota Taconite	E. P. Pfleider and D. H. Yardley

Technical Notes

TITLE	AUTHOR
A Simplified Air Pycnometer to Facilitate Powder Characterization	A. L. Mular, W. A. Hockings and D. W. Fuerstenau
A Three Dimensional Derivation of the Gaudin Size Distribution Equation	T. P. Meloy
Clarification of Three-Dimensional Plane of Weakness Concepts	L. Adler
Cumulative and Weight Retained Tables for the Gaudin-Meloy Size Distribution	T. P. Meloy
Plastic and Elastic Stresses Around a Circular Shaft in a Hydrostatic Stress Field	H. D. Fara and F. D. Wright

Discussion of Papers Published Prior to September 1963

TITLE	AUTHOR
Effect of Feed Size in Comminution	D. W. Fuerstenau and A. P. Cohen, Discussion by B. H. Bergstrom
Grinding Iron Ore in a Wet Autogenous Mill	B. Bernstrom, Discussion by R. C. Ferguson
Magnetic Taconites of the Eastern Mesabi District, Minnesota	J. N. Gundersen and G. M. Schwartz, Discussion by Sylvia Whitehead
Mechanics of Rock Slopes	D. Hugh Trollope, Discussion by L. A. Fekete
New Concepts in Thickener Design, Underflow Pump Arrangement and Automatic Controls	D. L. King and B. A. Schepman, Discussion by R. W. Christy and C. D. Rubert
Relationship Among Mass, Energy and Size Modulus at Low Reduction Ratios	A. L. Mular, Discussion by G. E. Agar
Technical Efficiency of Concentration Operations	J. R. Stevens and D. N. Collins, Discussion by E. Douglas
The Sulphonate Flotation of Beryl	M. C. Fuerstenau and R. B. Bhappu, Discussion by D. N. Moir and D. N. Collins

INDEX

TITLE	AUTHOR
Index