Divergent Boundary Also known as spreading boundary, a divergent boundary occurs where two plates move apart, allowing magma, or molten rock, to rise from the Earth's interior to fill in the gap.

A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the ...

The boundary where the two plates meet is called a convergent boundary. ... Most of the subducting plate continues into the mantle, perhaps to reappear much later at a distant divergent boundary.