An Oil Slick at the Sea Surface (IMAGE) University of California - Santa Barbara Caption This is an oil slick at the sea surface containing highly weathered orange-colored oil and a fresh rainbow-colored sheen, in June 2010. Credit Image courtesy of David L. Valentine 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.