Coastal Boulders (IMAGE) University of New South Wales Caption These are the boulders on the Tipaza coast of Algeria that would have been deposited in a high-energy event. Credit C. Morhange Usage Restrictions With appropriate caption and credit 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.