More golden ammonites (IMAGE) University of Texas at Austin Caption Golden ammonite fossils at Ohmden quarry. Credit Rowan Martindale/ The University of Texas at Austin Jackson School of Geosciences. Usage Restrictions Include photo credit 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.