It is here that new ocean floor is continuously created. As the two sides of the mountain move away from each other, magma wells up from the Earth's interior. It then solidifies into rock as it is ...

ISLA: Traprain Law is an unusual igneous intrusion called a laccolith. Igneous intrusions form when molten rock, or magma, from deep underground pushes up towards the Earth’s surface but cools ...

The rising magma is forcing the ocean floor to bulge, signaling an impending ... The seafloor spreads out as molten rock emerges, reshaping the deep-sea landscape with each eruption.