upthrust

An upward thrust, especially of part of the earth’s crust.

To thrust or be thrusted upward. Used especially of the earth’s crust.

A thrust in an upward direction; in geology, an upheaval; an uplift.

an upward thrust

buoyancy

an upward movement of part of the Earth‘s crust

to thrust something upwards

to be thrust upwards

(geology) a rise of land to a higher elevation (as in the process of mountain building)