Volatilisation from solid particles of the regolith

Details Volatilisation from solid particles of the regolith Volatilisation from solid particles of the regolith

Nov 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976natur.264..241c&link_type=abstract

Nature, vol. 264, Nov. 18, 1976, p. 241.

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Lunar Surface, Vaporizing, Gaseous Diffusion, Meteorite Collisions, Solidification

Scientific paper

The possible volatilization of certain elements from solid lunar surface material is considered. Since the transport mechanism in this case is mainly diffusive, a simple estimate of the diffusion time constant is carried out. It is shown that the depletion process will be limited by volatization for the smallest regolith particles and by diffusion for large particles. The rate of depletion of volatile elements from solid lunar material is found to be determined by a time interval which corresponds approximately to the temperature variations of the upper regolith layers during the lunar day. It is suggested that meteoroid bombardment can have a decisive effect on the process of volatilization of Na, K, and other elements from solid particles in the regolith.

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