Drilling Rig at Lake Magadi (image) University of Arizona Share Print E-Mail Caption During the dry season, evaporating water leaves behind trona crystals growing on the Lake Magadi lakebed. The drilling rig used in this study towers above the dry lakebed in the background. Credit Robin Renaut Usage Restrictions This visual may only be used in conjunction with reporting on or posting of this news release. Credit must be given as indicated. Share Print E-Mail 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.