Salt Lake and Hala Sultan Tekke (IMAGE) PLOS Caption This is the region where the study was performed (Salt Lake and the Hala Sultan Tekke in the background). Credit Geological Survey of Belgium/ David Kaniewski Usage Restrictions With credit to source 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.