Mathias Müller (IMAGE) Ruhr-University Bochum Caption Mathias Müller analyses the changes that rocks have undergone over millions of years. Credit © RUB, Marquard Usage Restrictions The image may only be used in the context of the press release "Hot Traces in Rock" publihed by RUB on July, 23, 2024. 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.