The observed minimum and mean values of track densities in lunar grains are both found to exceed the values expected from exposure with redistribution by vertical mixing, and the percentage of the smaller grains showing very high track densities is too large by a factor of more than ten. Previous exposure of the material (in space before accretion onto the moon or in regions from which net migration has occurred) may be necessitated.
On the exposure history of the lunar regolith
Lunar Science Conference ; 1974 ; Houston, TX
1974-01-01
Sonstige
Keine Angabe
Englisch
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