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crustal plate

noun, Geology
a large block or tabular section of the lithosphere that reacts to tectonic forces as a unit and moves as such.
Also called plate. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for crustal plate
  • Process of one crustal plate sliding down and below another crustal plate as the two converge.
  • Most of the geothermal activity is found along the crustal plate boundaries where volcanoes and earthquakes occur.
  • The mantle is capable of slow, convective overturn that drives crustal plate motion.

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