Mathematics – Logic
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pggp.rept..237p&link_type=abstract
In NASA. Washington Rept. of Planetary Geology Program, 1983 p 237-239 (SEE N84-23431 13-91)
Mathematics
Logic
Geomorphology, Landslides, Mars Surface, Volatility, Lithology, Paleontology, Photogeology, Planetary Geology, Topography, Viking Mars Program
Scientific paper
Eight landslide locales were selected in Valles Marineris for preliminary geomorphological mapping. Four main suites of morphological features were identified. In four order outward from the head scarp they are: (1) large ridges in head area, transverse to movement direction, probably slump blocks or pieces of wall that fell or toppled, possibly backward rotated; (2) smaller ridges, convex toward distal edge of slides, many with lobate pattern, some possibly step like scarps rather than ridges; (3) thin, sheet like debris cover, forms discrete fan shaped lobe with edge scarps unconfined; and (4) low transverse, continuous ridges (possibly folds) found at distal edge of slides, where debris appears to have encountered obstructions (e.g., opposing canyon walls), but not all confined slides exhibit this feature. Any one landslide can possess all or some of these features. Slides in the western Valles Marineris are more complex and show more variety than those in the eastern part.
Kirkpatrick Allison
Pieri David
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