Ian Dalziel at Bear Peninsula, Antarctica (IMAGE) University of Texas at Austin Caption Ian Dalziel of The University of Texas at Austin, who won the Penrose Medal, geology's highest honor, at Bear Peninsula in West Antarctica in 2000. Credit Ian Dalziel Usage Restrictions Please include credit with picture 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.