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6. Mixing Process of the Lunar Surface Materials and their Cosmic-Ray Exposure Age

Published online by Cambridge University Press:  12 April 2016

J. Iriyama  and
M. Honda

Abstract

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From the cosmic ray exposure age data, (time scale 107 - 108 years), of the lunar surface materials, we discuss the mixing process of the lunar surface layer caused by the meteoroid impact cratering. The gardening effect calculated using a crater formation rate slightly modified from the current population data is consistent with observed exposure ages of the lunar samples.

Type
Part V. Orbital Evolution and Fragmentation of Asteroids
Information
International Astronomical Union Colloquium , Volume 39: Comets, Asteroids, Meteorites: Interrelations, Evolution and Origins , December 1977 , pp. 301 - 306
Copyright
Copyright © A.H. Delsemme 1977

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