Modeling the Adirondack Mountains (VIDEO) University of Massachusetts Amherst This video is under embargo. Please login to access this video. Caption Using an advanced seismic imaging method and data available only in the past five years, UMass Amherst geoscientists have constructed a detailed model of the tectonic plate -- the crust and the uppermost rigid mantle of the lithosphere under the northeast United States - down to about 62 miles (100 km), and direct evidence of structures beneath the Adirondack Mountains. 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.