ASC_SVK_02 (IMAGE) University of Leicester Caption Andrew Carr collecting sediment samples from a section of exposed Pleistocene lake sediments at Swartkolkvloer. Credit Brian Chase Usage Restrictions Use only with 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.