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Glacial landscape and paleoglaciation in Terra Sabaea: Evidence for a 3.6 Ga polythermal plateau ice cap

Costard, François; Bouley, Sylvain; Bouquety, Axel +2 more

In a previous study, we demonstrated with a comparative morphometrical analysis the first morphometric evidence of a glacial landscape composed of glacial cirques and glacial valleys in the south of Terra Sabaea at an elevation > 1000 m in two impact craters and one mountain. The purpose of this study is to use the same method to seek other geo…

Reconstructing paleolakes in Nepenthes Mensae, Mars, using the distribution of putative deltas, coastal-like features, and terrestrial analogs

García-Arnay, Ángel; Gutiérrez, Francisco

Nepenthes Mensae is an equatorial region situated north of the Martian dichotomy, northwest of Gale crater. It is characterized by a NW-SE-oriented belt of interconnected depressions, Late Noachian to Early Hesperian in age, with knobby terrains with residual relief. The highlands south of Nepenthes Mensae, Middle Noachian in age, correspond to th…

Morphological and morphometric analysis of a topographic depression near Huygens basin, Mars: Identification of a putative endorheic playa

Singh, Deepali; Singh, Priyadarshini; Roy, Nidhi +1 more

Inter-crater depressions on Mars, which may be host to candidate lakes, have not been explored in much detail. Even if a small percentage of these depressions were actually filled with water, it would mean that Mars was hydrologically more active than previously thought. The present study examined valley networks within the equatorial region of Ma…