Establishing a New Chronology of Glacial Lake Duluth and its Implications for Ice Sheet Retreat in the Lake Superior Basin


Michelle J Morency1, David J Ullman1, Thomas J Fitz1, Shaun A Marcott2, Dr. Aaron M Barth, PhD3, Elizabeth G Ceperley4, Andrew J. Breckenridge5, Marc Caffee6 and Karlee K. Prince1, (1)Northland College, Ashland, WI, United States, (2)University of Wisconsin Madison, Department of Geoscience, Madison, United States, (3)University of Wisconsin-Madison, Madison, WI, United States, (4)University of Wisconsin Madison, Geoscience, Madison, WI, United States, (5)University of Wisconsin - Superior, Superior, WI, United States, (6)Purdue University, Department of Physics PRIME Lab, West Lafayette, IN, United States