Assertion: continent | /r/CapableOf | ride on these conveyer belts
Facets:
value: passively
type: MANNER
value: like a raft on a river
type: LOCATION
Source sentences:
text: For a long time, geologists had this model that there were 'conveyer belts' of mantle convection, and the continents were riding passively on these conveyer belts, sort of like a raft on a river," Scotese said.