Photomicrographs (IMAGE) University of the Witwatersrand Caption Photomicrographs showing anorthosites with 'correct' and 'wrong' proportions of chromite from the Bushveld Complex, South Africa. Credit Wits University 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.