Dinosaurs Rose From Ice, Not Fire: New Study Rewrites the Story of Earth’s Third Mass Extinction

Researchers assert that the Triassic-Jurassic extinction was a sudden event. Around 201.6 million years ago, Earth experienced one of its five major mass extinctions, leading to the abrupt disappearance of about 75% of all species. This event aligned with colossal volcanic eruptions that fractured Pangaea—a massive supercontinent that included nearly all of Earth’s land. Over [...]

from SciTechDaily https://ift.tt/tAJy9hT