Passage: 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. Ing Atlantik Lor, misahake lempeng Eurasia lan Amerika Utara, lan ing Atlantik Kidul, misahake lempeng Afrika lan Amerika Selatan. Ridge kasebut wiwit saka persimpangan karo Gakkel Ridge (Mid-Arctic Ridge) ing sisih lor-wétan Greenland menyang sisih kidul menyang Bouvet Triple Junction ing Atlantik Kidul. Sanajan Mid-Atlantic Ridge umume minangka fitur ing jero banyu, bagean-bagean kasebut cukup kanggo ngluwihi ketinggian ing sadhuwure segara.
Reykjanes Ridge