Ice Core with Melt Layers (image) American Geophysical Union Share Print E-Mail Caption One of the ice cores taken from Mt. Hunter in June 2013. The bands of dark ice represent times when glacier snow melted and refroze in past summers. Credit Credit: Dominic Winski. Usage Restrictions None Share Print E-Mail 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.