Mathematics – Logic
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27.1313t&link_type=abstract
Lunar and Planetary Science, volume 27, page 1313
Mathematics
Logic
Craters, Extension, Mars, Strain, Tempe Terra
Scientific paper
Dozens of elongated craters in the Tharsis region of Mars clearly appear to be deformed by normal faults and grabens. Thus, elongated craters should provide a useful tool in the quantitative estimation of strain. In practice, however, several factors make this technique problematic, including (1) non-tectonic processes and structural controls may produce elongated craters upon and (or) following impact; (2) strain estimates must deal with averaging individual strain vectors of varying magnitude, trend, location, and age; and (3) tectonic strain varies in trend and magnitude as a function of age and location. Given these factors, a careful approach should be taken to adjust for non-tectonic elongations and to minimize the effects of geologic variables when estimating tectonic strain from crater elongations.
Golombek Matthew P.
Tanaka Ken L.
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