PLATE XIII. 
View of quartzite hill on Jackal’s Water, rising from under 
the glacial conglomerate, which gives rise to the boulder-covered 
surface seen in the foreground. The ‘‘ roche moutonnée”’ form 
of the quartzite is seen in the lower part of the hill, and the 
upper portion has the rough surface usually met with where 
compact rocks are exposed to great diurnal variation in tem- 
perature. 
