Ocean to Ocean Convergent Boundary

Explore ocean-ocean convergent boundaries and how island arcs form!

Fill in the Blanks using the words below: If two oceanic plates meet at a convergent plate boundary, the older, denser plate will subduct beneath the less dense plate.The features of an ocean-ocean subduction zone are the same as those of an ocean-continent subduction zone, except that the volcanic arc will be a set of islands known as an island arc. The older plate subducts into an ocean trench. Melting of mantle material creates volcanoes at the subduction zone.Example of an ocean trench is the Mariana Trench in Western Pacific Ocean. It is about 11,000 meters deep.Example of volcanic mountains includes the Aleutian volcanic arc in Alaska and the Japanese islands.