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. 2014.
Cite This Source Link To crustal plate
Example sentences
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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