Pic 2 (IMAGE) University of the Witwatersrand Caption Panoramic view of the UG1 chromitite in the anorthosite footwall at the Dwars River, Eastern Bushveld (a) with red arrows (b) emphasizing that chromite grains show no tendency to settle downwards despite a high porosity of the framework. Credit Wits University Usage Restrictions No restrictions. License Public Domain 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.