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.

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.