October 17, 20243 min readA 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 Nazca plate is located to the west of South America’s Pacific coast. On the western edge of the Nazca plate is the East Pacific Rise, while the Nazca subduction zone runs along the eastern edge. Naeblys/Alamy Stock PhotoAn ancient slab of seafloor that was around when Earth’s earliest known dinosaurs emerged, has been discovered beneath the Pacific…
