726 



MK. E. B". EASTALL ON THE GEOLOGY OP [Nov. It)!*. 



evidently, therefore, of the first importance to determine, if possible, 

 the age of this fault. 



Furthermore, a careful study of a geological map of the region 

 shows that the two sets of folds may be regarded as spreading out 



Fig. 5. — Tlie dominant trend-lines of the soutli-iv ester n part of 

 Cape Colony. 



[The broken line 

 indicates the 

 Worcester Fault .] 



Cape of Good 



{The dotted areas are occupied 

 by Karroo Rocks; 

 the pre- Karroo being left blank^ 



=DjAgulhas 



Scale ! 



50 



100 



—l — 



d Miles 



in a somewhat fan-like manner from a point or region situated 

 somewhere in the neighbourhood of Somerset West, on the east side 

 of False Bay : if a line is drawn from this point in a north-easterly 

 direction, the folded mountain-chains are arranged more or less 

 symmetrically with regard to it, and the Worcester Fault cuts it 



