Physics
Scientific paper
Aug 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975moon...13..363c&link_type=abstract
The Moon, vol. 13, Aug. 1975, p. 363-376.
Physics
3
Glass, Lunar Soil, Liquid Phases, Lunar Rotation, Meteorite Collisions, Particle Collisions, Particle Size Distribution, Rayleigh Equations
Scientific paper
It is noted that the large amounts of glass particles found in lunar regolith samples are indicators of surficial processes. The dynamics of glass-particle formation during exogenous and endogenous processes is analyzed to determine possible formation mechanisms. The results show that small spherical particles are formed primarily by vibrations and decay of liquid jets in the process of surficial material splashing during meteorite bombardments. Larger spherical particles as well as elongated particles are found to be produced by liquid spraying during endogenous events such as volcanic activity. It is demonstrated that condensation mechanisms cannot form small spherical particles, secondary meteorite impacts do not produce any glass particles, and the formation of dumb-bell and elongated particles cannot be the result of rotation.
Cherniak Iu. B.
Nussinov M. D.
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