Abrasion of windblown particles on Mars - Erosion of quartz and basaltic sand under simulated Martian conditions

Details Abrasion of windblown particles on Mars - Erosion of quartz and basaltic sand under simulated Martian conditions Abrasion of windblown particles on Mars - Erosion of quartz and basaltic sand under simulated Martian conditions

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979icar...39..364k&link_type=abstract

Icarus, vol. 39, Sept. 1979, p. 364-384.

Astronomy and Astrophysics

Astronomy

11

Mars Atmosphere, Mars Surface, Soil Erosion, Viking Mars Program, Wind Erosion, Astronomical Photography, Atmospheric Pressure, Basalt, Mars Probes, Planetary Structure, Quartz, Sands, Viking Lander Spacecraft, Viking Orbiter Spacecraft, Water Erosion, Mars, Erosion, Quartz, Basalts, Wind, Eolian Process, Surface, Textures, Simulations, Electron Microscopy, Earth, Experiments, Comparisons, Grains, Velocities, Deformation, Melting, Weathering, Water Vapor, Clays, Models, Mineral Composition, Viking Landers,

Scientific paper

The results of a series of laboratory experiments initiated to simulate Martian eolian erosion are presented. Experiments were conducted under Martian atmospheric pressure and compared to natural eolian sand produced on earth. It is reported that the less dense atmosphere on Mars resulted in more energetic eolian erosion manifested by an slightly higher rate of grain rounding and surface textures that included semicircular depressions termed 'popouts'. It is suggested that physical and chemical weathering may proceed more rapidly on Mars than on earth, given a sufficient supply of water vapor. In addition, clay mineral formations should be facilitated by the presence of large amounts of disrupted material. Finally, it is noted that the disrupted material could increase the ability of the soil to act as a reservoir for water thereby provisionally explaining the large amount of bound water on the surface soil material over much of Mars.

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