RELICT drainages, conical hills, and the eolian veneer in southwest Egypt - Applications to Mars

Details RELICT drainages, conical hills, and the eolian veneer in southwest Egypt - Applications to Mars RELICT drainages, conical hills, and the eolian veneer in southwest Egypt - Applications to Mars

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jgr....87.9929b&link_type=abstract

(International Colloquium on Mars, 3rd: Dedicated to Thomas A. Mutch /1931-1980/, Pasadena, CA, Aug. 30-Sept. 2, 1982.) Journal

Physics

10

Drainage Patterns, Egypt, Landforms, Mars Surface, Photogeology, Planetary Evolution, Sediment Transport, Climatology, Earth Surface, Mars Environment, Planetary Geology, Sahara Desert (Africa), Wadis, Wind Effects, Wind Erosion

Scientific paper

The fluvial and mass wasting origin of the particles in the eolian deposits, the segregation of these materials on the basis of grain size, and the migration of those particles capable of saltation to areas of accumulation in lowland basins of the Sahara are suggested as analogs for the formation and accumulation of 'sand' sheets and dunes on the northern plains and in the polar erg on Mars. Outliers of the Martian plateau in the fretted terrain are seen as having been dissected, at least initially, by channels whose upstream portions are incised in the uplands. The Martian 'wadis' possess many geomorphic peculiarities similar to those of the Gilf (Gilf Kebir Plateau, southwest Egypt) wadis, and like the Egyptian features they have been attributed to mass wasting. Even though basal sapping and removal of debris by wind have almost certainly modified the Martian features, their deep incision in the plateau and their inferred northward extensions in the northern plains are thought to require not only initial downcutting by fairly energetic streams but also prolonged and long-distance flow of water.

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