The Mid-Atlantic Ridge (MAR) is a mid-ocean ridge, a divergent tectonic plate or constructive plate boundary located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world. Na North Atlantic, ọ na-ekewapụ ndị Eurasian na North American efere, na South Atlantic, ọ na-ekewapụ ndị African na South American efere. The ridge extends from a junction with the Gakkel Ridge (Mid-Arctic Ridge) n'ebe ugwu ọwụwa anyanwụ nke Greenland n'ebe ndịda ruo Bouvet Triple Junction na South Atlantic. Ọ bụ ezie na Mid-Atlantic Ridge bụ n'ụzọ dị ukwuu n'okpuru mmiri, akụkụ ya nwere oke iji gbasaa n'elu oke osimiri. Akụkụ nke ridge nke gụnyere Iceland a maara dị ka Reykjan Ridge.
Reykjanes Ridge