Lebensspuren aus uraltem Magma (IMAGE) Heidelberg University Caption Geöffneter Graphiteinschluss in Zirkon nach Ionenbeschuss, aufgenommen mit einem Rasterelektronenmikroskop Credit Winfried Schwarz – Universität Heidelberg, Institut für Geowissenschaften Usage Restrictions This image may be used only in connection with the contents of this press release, and the source of the image must also be cited. 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.