Horizontal transport of the regolith, modification of features, and erosion rates on the lunar surface

Details Horizontal transport of the regolith, modification of features, and erosion rates on the lunar surface Horizontal transport of the regolith, modification of features, and erosion rates on the lunar surface

Jul 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975moon...13...67a&link_type=abstract

(Lunar Science Institute, Symposium on Origin and Evolution of the Lunar Regolith, Houston, Tex., Nov. 13-15, 1974.) The Moon, v

Computer Science

21

Cratering, Erosion, Lunar Maria, Lunar Rocks, Lunar Soil, Lunar Surface, Lunar Composition, Lunar Geology, Volcanology

Scientific paper

Impact-ejecta systematics are developed for the smaller cratering events which, with cumulative crater populations observed in young mare regions and on Copernicus ejecta fields, yield rates and a range distribution for the horizontal transport of material by impact processes. The deposition rate for material originating more than 1 m away is found to be about 8 mm per million years. Material from 10 km away accumulates at a rate of about 0.08 mm per million years, providing a steady influx of foreign material. From the degradation of boulder tracks, a rate of 5 plus or minus 3 cm per million years is computed for the filling of shallow lunar depressions on slopes. Mass wastage and downslope movement of bedrock outcroppings on Hadley Rille seem to be proceeding at a rate of about 8 mm per million years. The Camelot profile is suggestive of a secondary impact feature.

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