Icebreaker (IMAGE) University of Texas at Austin Caption The researchers deployed marine seismic technology from the back of an ice breaker near Antarctica's Sabrina Coast. The equipment captured images of the seafloor, including geological formations created by the ice sheet. This allowed the scientists to reconstruct how glaciers in the area have advanced and retreated over the past 50 million years. Credit Sean Gulick/University of Texas at Austin Usage Restrictions Credit photo 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.