Mid-ocean ridge basalts (MORBs), located far from subduction zones, are typically thought to be unaffected by subduction processes. However, some MORBs display arc-like geochemical signatures ...

What's at the bottom of the Mariana Trench, and how do we know? How deep does the ocean go? We'll answer these questions and more in this deep dive into the world's oceans. Come on in: The water's ...

Mid-ocean ridges are often presented as more or less two-dimensional features, with a great deal of continuity in the along-ridge direction and most variation happening perpendicular to the ridge.