If the ocean floor was spreading apart at the Mid-Atlantic Ridge, it could explain how the ... the U.S. government didn’t ...
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 ...
The Atlantis Massif is an oceanic core complex, a portion of lower crustal gabbroic rocks and peridotite mantle rocks uplifted during faulting of the seafloor ... often associated with slow spreading ...