LA PEROUSE GLACIER 



performed within that period. The section it exposes 



(fig. 22) includes horizontal beds of blue clay, flanked on 



the seaward side by highly inclined beds of similar clay 



alternating with layers of sand. Both these are truncated 



above, and 



overlain un- 



conformably 



by a series of 



horizontally 



bedded grav- 



1 . i . , A, laminated clay. B, bedded clay and sand. C, bedded gravel, 



CIS, in Will Cn with angular boulders and trunks of trees. D, bouldery till, with 



are incorpo- treetrunks - <^ lacier - 



rated large angular boulders and trunks of trees. This 



gravel is succeeded on the landward side by and prob- 



FIG. 22. 



SECTION OF TIMBERED RIDGE NEAR 

 LA PEROUSE GLACIER. 



FIG. 23. BARREN ZONE AT MARGIN OF LA PEROUSE GLACIER (LOOKING SOUTH). 



The glacier is at the right. Between it and the forest is a tract occupied by fresh drift, 

 with sticks and logs. Photographed in June, 1899. 



ably passes into a bouldery till, which also contains 

 trunks of trees. The clays and sands evidently represent 

 an epoch when the coast was more deeply submerged than 



