Multiple Ice Advances Suggested by Rock Glacier Stratigraphy and Surface Weathering in the McMurdo Dry Valleys, East Antarctica

Kelsey Winsor, University of Massachusetts Lowell, Environmental, Earth & Atmospheric Sciences, Lowell, MA, United States, Kate M Swanger, University of Massachusetts, Lowell, MA, United States, Esther Babcock, USGS Alaska Science Center, Anchorage, AK, United States, Rachel D Valletta, The Franklin Institute, Philadelphia, PA, United States and James L Dickson, California Institute of Technology, Pasadena, CA, United States