Yin. 



'.*=' 



Fig. Hi. — A monoclinal fold or flexure. I Powell l. 



Fig. iv. — Section across a simple fault. ( Powell). 



:•'••.'• 



j:j K _ v.— Section across a monocline which is passing, by 

 entailing <>! the strata, into a fault. ( Powell t. 

 Compare Plate XVI. 



