618 



STKATIGRAPHICAL GEOLOGY 



The ice from the central ice-field of Wales was also free to flow 

 eastward, southward, and westward, but it seems to have been 

 partially turned aside by the mass of the Brecknock Beacons and 



REFERENCE 

 Welsh Ice ^Z^Northern Ice 

 [ED/rcsA Sea ice I ^A&rM Sea Ice 

 nnine Ice \ InnfrJm Areas 

 Scale of Miles 



Fig. 203. MAP SHOWING THE AREAS OCCUPIED BY THE DIFFERENT 

 ICE-SHEETS IN ENGLAND. 



to have flowed chiefly in southerly and westerly directions. Thus 

 it overran the whole of the South Wales coalfield, the striae on 

 the rocks of the northern borders of that area all indicating flow 



