Mathematics – Logic
Scientific paper
Aug 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....9514249f&link_type=abstract
(American Geophysical Union and Geological Society of America, International Conference on Mars, 4th, Tucson, AZ, Jan. 10-13, 19
Mathematics
Logic
12
Geomorphology, Mapping, Mars Craters, Mars Surface, Planetary Evolution, Geology, Lithosphere, Stratigraphy, Structural Basins
Scientific paper
The resurfacing history of the Tempe Terra region is examined on the basis of an analysis of cumulative frequency curves for individual terrain units within Tempe Terra and its surroundings. The results of the analysis, which was carried out using the techniques of Neukum and Hiller (1981), suggest that three major resurfacing events occurred in this region, with crater retention ages N(1) (the cumulative number of craters larger than 1 km diameter per million square kilometer) of (242,100), (95,700), (20,800), and (5500). These results are interpreted as indicative of three major resurfacing events occurring in this region, ending at N(1) = (95,700), (20,800), and (5500). It is shown that it is possible to extend this technique to derive not only ages for major resurfacing events, but the minimum extent of the now-buried surfaces and the thickness of the materials involved in each major resurfacing event.
Frey Herbert V.
Grant Tammie D.
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