Zoe's Planned Path through the Atacama (IMAGE) Washington University in St. Louis Caption The rover will stop along the way to test the soil at salt flats, volcanic slopes and alluvial fans of material eroded off of mountains. At times it will drill a meter deep in order to examine subsurface soils. Credit Google Earth 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.