Daniel Peppe, Baylor University (IMAGE) Baylor University Caption Daniel Peppe, Ph.D., is an assistant professor of geology in Baylor's College of Arts and Sciences and co-author of the study. Credit (Photo courtesy of Baylor University) Usage Restrictions None License Licensed 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.