Mathematics – Logic
Scientific paper
Mar 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988georl..15..229f&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 15, March 1988, p. 229-232.
Mathematics
Logic
85
Mars Surface, Planetary Crusts, Planetary Geology, Structural Basins, Hypervelocity Impact, Planetary Craters, Planetary Evolution, Mars, Crust, Impacts, Basins, Origin, Formation, Hypotheses, Diameter, Borealis Planitia, Size, Distribution, Surface, Features, Resurfacing, Chryse Planitea, Diagrams, Maps
Scientific paper
The hypothesis that the crustal dichotomy on Mars is due to a single giant (mega) impact early in Martian history is tested by determining the number of 'missing' basins, the difference between the observed number of large impact basins on Mars and the number expected from a 1/D-squared distribution. If the Borealis Basin was the largest member of a 1/D-squared impact population, a large number of 'missing' basins is expected which is too large to be hidden by the younger surface units. If Chryse is the largest member of a 1/D-squared impact population, the more modest number of 'missing' basins could be confined to areas of Mars that have been resurfaced or reworked by subsequent geologic processes.
Frey Harald
Schultz Richard A.
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