The granite underlying most of Mount Desert Island is a pink coarse-grained hornblende granite that contains minor biotite (the Cadillac Mountain Granite while the other granites, including those at Schoodic and Isle au Haut are mostly fine-grained biotite granites (Gilman and Chapman, 1988).
Acadia veneer feet

This landform is the textbook example of the roches moutonnees geomorphology that results from glacial action on resistant bedrock (Flint, 1971). The U-shaped valleys at Acadia are probably pre-existing drainages, which were considerably deepened and modified by Wisconsinan glacial ice that is inferred to have been up to one km thick over Mount Desert Island.

Acadia Veneer Does Her Solo
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