But the Permian detectives are faced with a host ... Renne secured chunks of lava from the Siberian Traps and Permo-Triassic boundary rocks from China. He has determined the two events occurred ...

This shows paleogeography during the Permian-Triassic boundary extinction 252 million years ago. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

As a period of geologic time, the boundaries of the Triassic are defined on the basis of rocks and the fossil record ... before the Triassic was called the Permian. This was a time when a wide ...

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert ...

Life in the Triassic period had a rough start. In the Permian period before, the largest mass extinction event in Earth’s history had just taken place. Despite the widespread devastation ...