Current Topics in Geosciences: Ass. Prof. Marisa C. Palucis, Dartmouth College

Extent and timing of hydrologic activity in the Gale Crater region of Mars

Deltaic deposits are important for constraining the hydrologic history of Mars as they occur globally and require sustained liquid surface water to form. Of particular interest are deltas along the martian crustal dichotomy as these were previously interpreted to have formed in a global ocean. A high concentration of these previously mapped deltas occurs in and near Gale Crater, where recent orbital and rover data has shown that multiple
generations of lakes likely existed. In this talk I will focus on recent work using updated visual and topographic data to further probe whether deltas in the Gale crater region (~1000 km east and west of Gale) formed
contemporaneously to deltas within Gale and to what extent they record past water bodies. I will also discuss the use of a probabilistic cratering model to better constrain the timing of delta formation.

Veranstaltung übernehmen als iCal