This sample, which is more than six times longer ... We collected the core from a zone called the Mid-Atlantic Ridge on the seafloor under the North Atlantic Ocean. The drill was deployed from ...

Researchers have drilled the deepest-ever sample of rocks from Earth's mantle, penetrating 0.7 mile (1.2 kilometers) in the Mid-Atlantic Ridge, where the seafloor is spreading apart. At this spot ...

These zones include: the Pacific Ring of Fire around the Pacific Ocean the Mid-Atlantic Ridge, a mid-ocean ridge that extends along the floor of the Atlantic Ocean southern Europe There are ...