The “mega-plate” was once 15 million square miles, about a quarter the size of the Pacific Ocean today. Scientists have located a tectonic plate lost for thousands of years in the western Pacific Ocean. It’s called Pontos. The “mega-plate” was once 15 million square miles, about a quarter the size of the Pacific Ocean today. … Continue reading Lost tectonic plate discovered after 160 million years: It was a quarter of the Pacific