Subglacial Processes Inferred from Grain-shape Alteration of Till and Meltwater Plume Deposits from Antarctica and Greenland

Allison Lepp, University of Virginia, Department of Environmental Sciences, Charlottesville, VA, United States, Lauren Miller Simkins, University of Virginia, Department of Environmental Sciences, Charlottesville, United States, John B Anderson, Rice University, Department of Earth, Environmental and Planetary Sciences, Houston, United States and Matt O'Regan, Stockholm University, Department of Geological Sciences, Stockholm, Sweden