A mid-ocean ridge (MOR) is a seafloor mountain system formed by plate tectonics. It typically has a depth of ~ 2,600 meters (8,500 ft) and rises about two kilometers above the deepest portion of an ...
The now fully-developed mid ocean ridge is the site of hot new ocean floor, and so it floats high on the aesthenosphere beneath. But the continents get cooler as they move away from the mid ocean ...