At a convergent margin, an oceanic plate collides with a continental plate, driving the oceanic plate under the continental plate and destroying it. This is the main distinction between oceanic-oceanic convergence and oceanic-continental convergence. At the convergent boundaries, the continental plates thicken and migrate outward. The thickness of continental plates is much greater than that of oceanic plates.
This is further explained below.
Generally, The North American Plate is an example of a continental plate since it encompasses not only North America but also the oceanic crust that lies between it and a piece of the Mid-Atlantic Ridge. This makes the North American Plate both continental and oceanic plate.
In conclusion, The most significant distinction between oceanic-oceanic convergence and oceanic-continental convergence is that at a convergent margin, an oceanic plate collides with a continental plate, burying the oceanic plate beneath the continental plate and obliterating it in the process. Oceanic-oceanic convergence occurs when two oceanic plates collide with each other. The continental plates are pushed further apart from one other, and the margins where they converge get thicker.
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