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. In the North Atlantic, it separates the Eurasian and North American plates, and in the South Atlantic, it separates the African and South American plates. The ridge extends from a junction with the Gakkel Ridge (Mid-Arctic Ridge) northeast of Greenland southward to the Bouvet Triple Junction in the South Atlantic. Kunyange zvazvo the Mid-Atlantic Ridge is mostly an underwater feature, portions of it have enough elevation to extend above sea level. Chikamu che ridge icho chinosanganisira Iceland chinozivikanwa seReykjan Ridge. The Mid-Atlantic Ridge ine avhareji yekupararira kweanenge 2.5 centimetres pagore.
Reykjanes Ridge