An equatorial periglacial landscape on Mars

• Published in: Earth and planetary science letters Vol. 285; no. 1; pp. 1 - 15
• Main Authors: Balme, M.R., Gallagher, C.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 30.07.2009
• Subjects: geomorphology; Mars; periglacial; permafrost; planetary Geomorphology; Mars; geomorphology; planetary Geomorphology; permafrost; periglacial

We present evidence, drawn from new 25 cm/pixel “HiRISE” images of Mars, of landforms indicative of geologically-recent thaw degradation of ice-rich terrain near the Martian equator. We have focused our study on the head-region of Athabasca Vallis, a catastrophic flood-carved outflow channel thought...