The Labrador Boundary


Privy Council Documents


Volume V
Contents




      Post-glacial
        channels.


p. 2600

behind. These low shores and those of the islands are generally thickly strewn with boulders, piled up in ridges by the expansion and drift of the ice in the spring. The general direction of the river from the Grand Falls to Lake Petitsikapau, more than 100 miles above, is nearly west- north-west, or parallel to the direction of the glacial striae, and that of the ridges of drift. All these features give to the upper portion of the river an aspect of newness, and indicate that its present course and conditions have been determined by the post-glacial configuration of the table-land, in marked contrast to the ancient appearance of the deep, rock-walled valley of erosion below the cañon in which the river must have flowed for ages, slowly abrading the hard gneisses and granites and carrying away the results of atmospheric decay brought down from its sides by the rains and small tributary streams.”

[1927lab]



 

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