Ancient ‘Age of Dinosaurs’ Seafloor Found beneath Pacific Ocean
October 17, 20243 min readAncient Seafloor Discovered Slowly Sinking into Earth’s MantleA vast, ancient slab of seafloor plunged beneath the Pacific Ocean and has hovered in Earth’s mantle for more than 120 million years, a new study suggestsBy Jeanna BrynerThe...









