58 



E. HUNTINGTON-J. W. GOLDTHiVAIT 



A. — Unfaulted block showing a continuous line of cliffs. 



The same block cut by a north and south fault. 



C. — The same block after erosion has almost obliterated the fault scarp. The 

 cliffs on the eastern or upthrown side of the fault have retreated much farther than 

 those on the down-thrown side. 



Block Diagrams Illustrating the Differential Recession of Cliffs on 

 THE Two Sides of a Fault. 



Fig. 6. 



