Growth Increments (IMAGE) Hokkaido University Caption Enlarged image of the shell edge showing a stripe pattern of growth increments. Geochemical analysis of increments reveals the clam's paleoenvironment. Credit Komagoe T. et al., <i>Journal of Geophysical Research: Biogeosciences</i>, April 19, 2018 Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. 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.