Earth:Southwest Indian Ridge – A mid-ocean ridge on the bed of the south-west Indian Ocean and south-east Atlantic Ocean
Earth:Mid-Atlantic Ridge – A divergent tectonic plate boundary that in the North Atlantic separates the Eurasian and North American plates, and in the South Atlantic separates the African and South American plates
Kolbeinsey Ridge (North of Iceland)
Mohns Ridge
Aulacogens
Earth:Gulf of Suez Rift – Continental rift zone that was active between the Late Oligocene and the end of the Miocene
Earth:Mid-Atlantic Ridge – A divergent tectonic plate boundary that in the North Atlantic separates the Eurasian and North American plates, and in the South Atlantic separates the African and South American plates