VOLUME XXVI NUMBER 1 
THE 
fowrRNAL OF GEOLOGY 
JANOARY PEBROARY rors 
LOW-ANGLE FAULTING 
R. T. CHAMBERLIN AND W. Z. MILLER 
University of Chicago 
. CONTENTS 
INTRODUCTION 
Prevalence of Low-Angle Overthrust 
An Unsolved Problem 
PREVIOUS INVESTIGATIONS 
METHODS OF PRESENT EXPERIMENTAL INVESTIGATION 
Apparatus 
Materials 
RELATION OF FAULTS TO STRESS AND STRAIN 
Factors Wuitcu LOWER ANGLE OF FAULTING 
Effect of Normal Component of Stress 
Effect of Heterogeneity of Material 
Possible Influence of Length and Shape 
Length 
Shape 
Effect of Rotational Strain 
Rotational Strains Developed by Bedding 
Experimentation: A Single Strong Layer amid Much Weaker 
Material 
Several Strong Layers between Very Much Weaker Ones 
Less Difference in Competency 
General Discussion 
Rotational Strain in Homogeneous Material 
Piling up of Material a Possible Factor 
How Rotational Strain Develops Fracture 
Lessening the Resistance Above 
Greater Resistance and Drag Below 
Effect of Weighting 
Résumé 
