Chanares Formation Outcrops (IMAGE) University of Utah Caption Co-author Adriana Mancuso (far left) investigates badlands of the Chañares Formation, deposited 236 to 234 million years ago in what is now Talampaya National Park, Argentina. Credit Randall Irmis 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.