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 ...

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 ...

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 ...

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 ...

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 ...