In locations around the world, ocean crust subducts ... perhaps to reappear much later at a distant divergent boundary.

For more on divergent boundary, go to The Sea Floor Spread ... If there is land at the edge of one of these plates, the ocean plate will subduct, or slide under that plate. A collisional boundary ...

At ocean-ocean convergences ... volcanoes that eventually build up into island arcs like Japan. At divergent boundaries in the oceans, magma from deep in the Earth's mantle rises toward the ...

At divergent boundaries, plates move away from each other and form mid-ocean ridges or major rift zones, and at strike-slip boundaries plates slide past each other. But none of these plate ...

The Antarctic Ocean, also known as the Southern Ocean ... The Dabbahu Fissure, as it's now known, is evidence of a divergent ...