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 basement was formed about 60 million years ago at the mid-ocean ridge crest, and the uplift of the ridge and opening of Kings Trough occurred about 27 million years ago.

A single mid-ocean ridge system connects the world's oceans, making the ridge the longest mountain range in the world. On land, giant troughs such as the Great Rift Valley in Africa form where ...

These zones include: the Pacific Ring of Fire around the Pacific Ocean the Mid-Atlantic Ridge, a mid-ocean ridge ... eventually forming a chain of volcanoes. The Pacific Ring of Fire can be ...