A long-lost oceanic plate is diving deep into the mantle, dragging down the crust above, researchers say. However, the plate ...

However, the plate is also tearing apart below the Zagros Mountains in Iraq as it plunges ... an ocean that formed when the supercontinent Pangaea broke up into a northern continent, Laurasia ...

Pangea essentially turned inside out ... instead of sinking along with the plate, they crumpled into mountain ranges—the Himalayas. By 10 million years ago the two continents were in direct ...