Geomorphic clues to the Martian volatile inventory. 1: Flow ejecta blankets

Details Geomorphic clues to the Martian volatile inventory. 1: Flow ejecta blankets Geomorphic clues to the Martian volatile inventory. 1: Flow ejecta blankets

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pggp.rept..116p&link_type=abstract

In NASA. Washington Rept. of Planetary Geol. Program, 1983 p 116-118 (SEE N84-23431 13-91)

Mathematics

Logic

Craters, Ejecta, Geomorphology, Landforms, Mars (Planet), Topography, Climate, Energy Dissipation, Moisture Content, Momentum, Viscous Flow

Scientific paper

There are classes of landforms whose presence on Mars is strongly suggestive, if not confirmatory, of the participation of volatiles, presumably water, in its geomorphic development: (1) valley networks, (2) outflow channels, (3) landslides, and (4) flow-ejecta blankets. The first two may represent landforms generated by the movement of volatiles from sources, while the latter two probably represent the dissipation of energy generated by forcing inputs (e.g., kinetic energy and gravity) modulated by volatiles. In many areas on Mars, all four processes have acted on the same lithologic materials and were influenced by the composition of those units, and possibility by the climatic regime at the time of their formation. One of the approaches discussed to this specific problem of landform genesis, and to the general problem of the present and past states of martian volatiles, is to attempt to constrain the distribution, amount, and history of available volatiles by using possible evidence of volatile participation expressed in the morphology of other related landforms (e.g., flow-ejecta blankets and landslides) coupled with physical models for landform genesis.

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