Bedrock sampling (IMAGE) Colorado State University Caption CSU graduate students sample bedrock for thermochronology in Calabria, Italy. From left, Nikki Seymour, second author on the study, Johanna Eidmann and Eyal Marder. Credit Sean Gallen Usage Restrictions None 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.