CATIONS FOR FLANK FAILURE SCENARIOS. P. J. McGovern, Lunar and Planetary Institute, Houston TX 77058-1113, USA ([email protected]), J. R. Smith, HURL, University of Hawaii, Honolulu, HI, 96822, USA ([email protected]), J. K. Morgan, Department of Earth Science, Rice University, Houston, TX 77005, USA ([email protected]), M. Bulmer, JCET, University of Maryland Baltimore County, Baltimore MD...