Valles Marineris, Mars - Wet debris flows and ground ice

Details Valles Marineris, Mars - Wet debris flows and ground ice Valles Marineris, Mars - Wet debris flows and ground ice

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...72..411l&link_type=abstract

Icarus (ISSN 0019-1035), vol. 72, Nov. 1987, p. 411-429.

Computer Science

41

Debris, Land Ice, Landslides, Mars Surface, Planetary Geology, Canyons, Equators, Ground Water, Rocks, Water Flow, Mars, Valles Marineris, Debris, Flows, Ice, Water, Channels, Transport, Emplacement, Comparisons, Volatiles, Equatorial Regions, Depth, Surface, Photographs, Ophir Chasma, Ius Chasma, Spacecraft Observations, Features, Viking Missions, Velocity, Morphology, Deposits, Chronology

Scientific paper

Water-containing landslides forming enormous wet debris flows are suggested by the present study of the equatorial troughs of the Martian Valles Marineris. Speed and emplacement efficiency differences between terrestrial and Martian landslides are attributable to the entrainment of volatiles on Mars. The water content of the wall rock is indicated by the evident transportation of the debris through tributary canyons and the easy flow and disintegration of the wall rock. Since material lower than 400-800 m was not desiccated during the period of landslide activity, this ground-water or -ice reservoir must have been replenished if it was not an ancient relic.

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