Scientific American (USA) – Scientists Discover Ghost of Ancient Mega-Plate That Disappeared 20 Million Years Ago Douwe J.J. van Hinsbergen Posted on October 18, 2023 by douweOctober 18, 2023 https://www.scientificamerican.com/article/scientists-discover-ghost-of-ancient-mega-plate-that-disappeared-20-million-years-ago/