Plate Tectonics on Mars Hindered by Buoyant Martian Eclogite

son1,2, Charles Shearer2,3, Carl Agee1,2, Joshua Townsend4, Ming Hao1,2, Mingqiang Hou2 1Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131, USA 2Institute of Meteoritics, University of New Mexico, Albuquerque, NM, 87131, USA 3Lunar and Planetary Institute, Houston, TX, 77058, USA 4High Energy Density Physics Theory Department, Sandia National Laboratories, Albuquerque, NM, 87185, USA