Matsayi: Tsakiyar Tsakiyar Tsakiyar Atlantika (MAR) ita ce tsakiya ta tsakiya ta tsakiya, wani nau'i mai banbanci na tectonic ko iyakar farantin da aka gina a cikin ƙasa na Tekun Atlantika, kuma wani ɓangare na tsaunuka mafi tsawo a duniya. A Arewacin Atlantic, ya raba da Eurasian da Arewacin Amirka, kuma a Kudancin Atlantic, ya raba da Afirka da Kudancin Amirka. Rage yana fadada daga junction tare da Gakkel Ridge (Midkel-Arctic Ridge) a arewa maso gabashin Greenland zuwa kudu zuwa Bouvet Triple Junction a Kudancin Atlantic. Ko da yake Mid-Atlantic Ridge ya fi yawa a karkashin ruwa, sassansa suna da isasshen tsawo don fadada sama da matakin teku. Sashin ɓangaren dutsen da ya hada da Iceland an san shi da Reykjan Ridge.
Reykjanes Ridge