Laurentian Shield

British  

noun

1. Also called: Laurentian Plateau.  another name for the Canadian Shield

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Example Sentences

This interior plain of the continent represents the area of the ancient sea by which it was occupied in Mesozoic times, with a more ancient margin towards the north-west against the Archean, where undisturbed limestones and other rocks of the Silurian and Devonian rest upon the downward slope of the Laurentian Shield.

From Project Gutenberg

All these lakes lie on the edge of the great Laurentian shield, where the ice, crowding down from the highland to the north and east, was compressed into certain already existent hollows which it widened, deepened, and left as vast bowls ready to be filled with lakes.

From Project Gutenberg

It extends from the interior of Alaska southeastward in such a way as to include most of the Canadian Rockies, the northern plains from Great Bear Lake almost to Lake Winnipeg, and most of the great Laurentian shield around Hudson Bay and in the peninsula of Labrador.

From Project Gutenberg