When oceanic and continental plates collide, the oceanic plate subducts underneath, thinning and stretching the continent's crust, forming basins.
(oceanic and continental plates; collide; ) (the oceanic plate; subducts underneath; T:When oceanic and continental plates collide) (the oceanic plate; thinning; )
oceanic and continental plates the oceanic plate the oceanic plate
collide subducts underneath thinning
T:When oceanic and continental plates collide