Composite Element Map (IMAGE) Arizona State University Caption A composite element map showing distribution of different minerals at the microscopic scale in a fragment of Aguas Zarcas. Orange-yellow colors show the distribution of Fe-S-Mg rich mineral called tochilinite, which is surrounded by diffuse matrix of clays. Deep blue are olivine in chondrules. Red are Fe-Ni-S rich pentlandite and pyrrhotite. Credit ASU/Center for Meteorite Studies 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.