Quantification of waste morphology in Martian fretted terrain

Details Quantification of waste morphology in Martian fretted terrain Quantification of waste morphology in Martian fretted terrain

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984lpsc...15..336k&link_type=abstract

(Lunar and Planetary Institute, NASA, American Geophysical Union, et al., Lunar and Planetary Science Conference, 15th, Houston,

Physics

8

Fretting, Geomorphology, Mars Surface, Planetary Mapping, Principal Components Analysis, Terrain Analysis, Debris, Mesas, Thematic Mapping, Mars, Surface, Features, Terrain, Morphology, Terrain, Frets, Analysis, Deuteronilus Mensa, Protonilus Mensa, Craters, Description, Patterns, Structure, Formation, Evolution, Techniques, Maps, Photographs

Scientific paper

Qualitative and quantitative analyses are performed on the northern fretted terrain of the Martian Isnenius Lacus quadrangle to determine the formation processes. The fretted terrain lies between 35-50 deg N latitude and 305-350 deg W longitude and was mapped with Viking orbiter instrumentation. The dominant landforms are a sequence of heavily cratered terrain, scattered flat-floored, fretted valleys, linear waste-covered valleys between flat-topped mesas, circum-mesa debris areas, a transition from mesas to knobby terrain, fewer upland forms, and low-relief, mantled, polar plains. The features spread out from a cratered terrain boundary in a succession of shapes. A principal components analysis characterizes definable spatial variations in the surface morphology and suggests that the features are youngest in the southwest direction. Relationships are also found between neighboring features. The principal components analysis technique is concluded to be a valuable tool for explaining the geomorphic evolution of the Martian surface.

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