subduction zones may themselves be transformed to other types of plate boundary. For example, when India collided with Asia, an active subduction zone was transformed into a collision that formed ...

A major example of this plate movement ... currents in the upper mantle. At collision zones fold mountains will be formed. These are plate boundaries where two plates are either slipping past ...

The tiny Juan de Fuca plate is ... These types of collisions can also lead to underwater volcanoes that eventually build up into island arcs like Japan. At divergent boundaries in the oceans ...