Permian-Triassic Boundary (IMAGE) California Academy of Sciences Caption A section of rock from the Permian-Triassic boundary taken in Hubei Province in southern China. (© Peter Roopnarine) Credit © Peter Roopnarine Usage Restrictions Editorial usage permitted as long as appropriately credited. License Original content 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 system.