Adirondack Mountain Topography Cartoon (IMAGE) University of Massachusetts Amherst Caption UMass Amherst geoscience researchrs say a column of lighter material appears to have squeezed up under the Adirondacks, possibly expanded by heat, to form the dome-shaped mountain range. Credit UMass Amherst/X. Yang 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.