Enlarge / Some of the massive volcanic deposits that are part of the Siberian Traps. The end-Permian mass extinction was a big deal. It was the largest mass extinction event ever and occurred 252 million years ago. A whopping 90
Enlarge / Some of the massive volcanic deposits that are part of the Siberian Traps. The end-Permian mass extinction was a big deal. It was the largest mass extinction event ever and occurred 252 million years ago. A whopping 90