Aeolian weathering of Venusian surface materials - Preliminary results from laboratory simulations

Details Aeolian weathering of Venusian surface materials - Preliminary results from laboratory simulations Aeolian weathering of Venusian surface materials - Preliminary results from laboratory simulations

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...74..495m&link_type=abstract

Icarus (ISSN 0019-1035), vol. 74, June 1988, p. 495-515.

Physics

6

Environment Simulation, Venus Surface, Weathering, Wind Erosion, Atmospheric Effects, Atmospheric Temperature, Temperature Effects, Wind Effects, Wind Velocity, Venus, Aeolian Processes, Weathering, Surface, Laboratory Studies, Simulations, Atmosphere, Temperature, Pressure, Composition, Gases, Physical Properties, Particles, Impacts, Velocity, Abrasion, Debris, Accretion, Diagrams, Equipment, Experiments, Basalt, Photomicrographs, Analogs, Electron Microscopy, Sem, Olivine, Erosion

Scientific paper

An attempt is made to duplicate the atmospheric temperature, pressure, and approximate gas composition of all surface elevations on Venus by means of a simulator environment in which particles are impacted against rock targets as a way of studying planetary aeolian processes. While particles are abraded even at the low impact velocities envisioned for Venus, the same particles do not generate basaltic rock abrasion for impact velocities lower than 1 m/sec; comminution debris is instead transferred onto rock surfaces to form an accretion layer. These phenomena are seen as functions of the greater than 660 K temperatures encountered.

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