North Polar Basal Stratigraphy and Active Mass-wasting Processes from HiRISE with Implications for Polar Scarp Evolution

WITH IMPLICATIONS FOR POLAR SCARP EVOLUTION. P. S. Russell, S. Byrne, K. Herkenhoff, K. Fishbaugh, C. Hansen, N. Thomas, A. McEwen, and The HiRISE Team. Physikalisches Institut, U. Bern, Bern, Switzerland, Lunar and Planetary Lab, U. Arizona, Tucson, USA, Astrogeology Team, USGS, Flagstaff, USA, International Space Science Institute, Bern, Switzerland, Jet Propulsion Lab, Pasadena, USA. patrick.russell@space.unibe.ch