Divergent Boundaries: North American and Eurasian plates at the Mid Atlantic Ridge.
Rift Valley: Is a linear valley with parallel and almost vertical sides, which has fallen owing to a series of parallel faults". The typical morphology is characterized by a valley floor.
Mid Oceanic Ridge: A long mountain range on the ocean floor, extending almost continuously through the North and South Atlantic Oceans, the Indian Ocean, and the South Pacific Ocean.