Assertion: lithosphere's crust | /r/CapableOf | drag attached oceanic lithosphere
Facets:
value: towards the plate boundary
type: LOCATION
Source sentences:
text: Another more significant gravitational driving force of plate motion is that caused by the old, cool and so low buoyancy oceanic crust that sinks back into the mantle at subduction zones and acts to drag the attached oceanic lithosphere towards the plate boundary.