Erica McCormick (IMAGE) University of Texas at Austin Caption Lead author Erica McCormick led the research as an undergraduate student at The University of Texas at Austin Jackson School School of Geosciences. McCormick collaborated with Assistant Professor Daniella Rempe, in addition to other scientists. Credit Erica McCormick Usage Restrictions Include photo credit License Original 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.