This is finally capped by alkalic flows late in its eruptive history, as the link between the seamount and its source of volcanism is cut by crustal movement.
From the en.wikipedia.org
Plate motion should not be confused with continental drift which applies purely to the movement of the crustal components of the continents.
From the en.wikipedia.org
Now, a UCLA scientist has discovered that the geological phenomenon, which involves the movement of huge crustal plates beneath a planet's surface, also exists on Mars.
From the sciencedaily.com
Thrust faults in Colorado are thought to have formed from a slight clockwise movement of the region, which acted as a rigid crustal block.
From the en.wikipedia.org
Plate tectonics is a theory developed during the 1960s which describes the movement of continents by way of the separation and collision of crustal plates.