Preservation of Random Megascale Events on Mars and Earth: Influence on Geologic History

aerosols America Special Paper aspect ratios atmosphere Baker Barlow breccia Bulletin of Volcanology caldera Chapman climate change deposits Earth and Mars edifices effects emplaced erosion erup evidence explosive felsic flood basalt flood basalt eruptions flood lavas formation Geological Society Geophysical Research Letters glacier global Gudmundsson human hyaloclastite hyalotuff Icarus ice sheet Iceland impact craters jökulhlaup Journal of Geophysical Keszthelyi km³ landforms late heavy bombardment lava flows lava-fed deltas layered ejecta lithofacies Lunar and Planetary mafic mafic tuyas magma Mars and Earth Mars’s Martian Martian impact craters megafloods MEGAOUTFLO melting meltwater meteorite morphology northern plains ocean outflow channels pillow planet Planetary Science Planitia polar processes Quaternary Rampino scale Smellie snowball Earth Society of America Special Paper 453 subaerial subglacial eruptions subglacial volcanoes subice sulfur supereruptions surface Tanaka tephra terrestrial thick Thordarson tion Toba Tuffen tuyas Valles Marineris vent volcanic eruptions volcanic winter volume