Scanning for Vanadium (IMAGE) University of Kansas Caption False-color micro-XRF distribution maps for V, Fe, and S of a single leiosphaerid. Maximal area densities are given in μg/cm2 for each element at the top of each map. The scatter is shown in the Sa, which can be used as an indicator of thickness and density of the sample. Credit KU News Service Usage Restrictions None 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.