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North' Amer'ican Plate'



Geol.
a major tectonic division of the earth's crust, comprising Greenland and the continent of North America and the suboceanic Labrador and North American Basins, and bounded on the east by the Mid-Atlantic Ridge, on the south by the Caribbean and South American Plates, and on the west by the San Andreas fault and Aleutian Trench.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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