The ridge is as old as the ocean basin it helps to create, making it a constant feature through the age of the dinosaurs and into the current era. This means the rocks immediately adjacent to the ridge summit are the youngest, with the age of the seafloor increasing symmetrically away from the center.
Romanche Trench Mid Atlantic Ridge Age and Formation
Scientists determine these ages by studying the magnetic properties of the seafloor. 120 to 140 million years old Some of the oldest crust on this ridge, nearing the limits of current dating.
A Dynamic History The age of the Mid-Atlantic Ridge is intertwined with the breakup of the supercontinent Pangaea. The sections of the Mid-Atlantic Ridge near the Arctic and its connection to the Gakkel Ridge are estimated to be up to 140 to 150 million years old, dating back to the early days of the Atlantic Ocean.
Romanche Trench Mid Atlantic Ridge Age and Formation
Over millions of years, this system evolved, with segments becoming more defined and the ridge taking on the sprawling "S" shape we see today. This immense underwater mountain range is not a static relic but a dynamic engine, constantly reshaping the map of the world.
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