Physics
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pggp.rept...85b&link_type=abstract
In NASA. Washington Rept. of Planetary Geol. Program, 1983 p 85-86 (SEE N84-23431 13-91)
Physics
Chronology, Distribution (Property), Impact Damage, Mars Craters, Mars Surface, Projectile Cratering, Deposition, Mapping, Planetary Mantles, Statistical Analysis, Tectonics, Terrain Analysis
Scientific paper
The crater size/frequency distributions of large ( 8 km) craters on the Moon and terrestrial planets display two very different curves representing two crater populations. The heavily cratered regions of the Moon, Mercury, and Mars show the same highly structured curve which cannot be represented by a single slope distribution function. In contrast, the lunar post mare crater population has a size/frequency distribution which differs significantly from that in the highlands over the same diameter range, and can be represented by a single-slope distribution function of -2.8 differential. On areas of martian lightly cratered northern plains, the crater population is essentially identical to that of the post mare population. This indicates that the same two families of impacting objects were responsible for the cratering records on both Moon and Mars. The thickness of mantling material varies among the various plains units, and can be calculated from the depth/diameter scaling relations for martian craters.
Barlow Nadine G.
Strom Richard G.
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