Mathematics – Logic
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992msat.work..132s&link_type=abstract
In Lunar and Planetary Inst., Workshop on the Martian Surface and Atmosphere Through Time p 132-133 (SEE N92-28988 19-91)
Mathematics
Logic
Geomorphology, Lakes, Mars (Planet), Mars Surface, Morphology, Stratigraphy, Water, Borders, Ice, Mars Photographs, Shorelines, Terraces (Landforms), Viking Spacecraft
Scientific paper
Amazonis and Utopia Planitiae are two large (greater than 106 sq. km) basins on Mars having morphological features commonly associated with former lakes. The investigation of these areas is an extension of our previous paleolake studies in the Elysium basin. Using Viking images, we are searching for familiar geologic forms commonly associated with standing bodies of water on Earth. Like Elysium, the two basins exhibit terraces and lineations resembling shorelines, etched and infilled floors with channel-like sinuous markings in places, inflow channels along their borders, and other geomorphic indicators believed to be related to the presence of water and ice. In some areas these features are better displayed than in others where they may be very tenuous; their value as indicators can be justified only by their association with related features. Even though these postulated paleolakes are very young in the Martian stratigraphic sequence, their shoreline features are poorly preserved and they are probably much older than large Pleistocene lakes on Earth.
Chapman Mary G.
Dohm James M.
Rice James W. Jr.
Scott David H.
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