Laurentian Plateau


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Laurentian Plateau,

Canada: see Canadian ShieldCanadian Shield
or Laurentian Plateau
, U-shaped region of ancient rock, the nucleus of North America, stretching N from the Great Lakes to the Arctic Ocean. Covering more than half of Canada, it also includes most of Greenland and extends into the United States as the
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Laurentian Plateau

[lȯ′ren·chən pla′tō]
(geology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.