Sand dune materials and polar layered deposits on Mars

Details Sand dune materials and polar layered deposits on Mars Sand dune materials and polar layered deposits on Mars

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...81..185t&link_type=abstract

Icarus (ISSN 0019-1035), vol. 81, Sept. 1989, p. 185-215.

Mathematics

Logic

61

Dunes, Dust, Mars Surface, Particle Size Distribution, Satellite Imagery, Morphology, Viking Orbiter Spacecraft, Mars, Deposits, Sand, Dunes, Polar Regions, Layers, Mapping, Color, Morphology, Source, Erosion, Origin, Albedo, Procedure, Photographs, Maps, Comparisons, Diagrams, Scarps, Sediments, Mixing, Patterns, Particles, Composition, Aggregates, Transport

Scientific paper

The possible place of sand in the Martian polar layered deposits is examined. The erosional features in layered deposits and the morphologic relationship of dunes and the layered deposits are discussed. The colors of the polar dunes are shown to be similar to the colors of dunes at other latitudes, suggesting that the polar dunes can be explained without any special or exotic mechanism. Consideration is given to mixing and segregation of materials by eolian processes observed on Mars, showing that sand was probably carried to the polar regions during part of the formation of the layered deposits.

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