Ian Dalziel offshore South Georgia Island (IMAGE) University of Texas at Austin Caption UT Jackson School of Geosciences Professor Ian Dalziel, who won the Penrose Medal, at South Georgia island in the far south Atlantic Ocean Credit Ian Dalziel 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.