The MARS Journal Vol 2, pp 1-9 - Accumulation and erosion of south polar layered deposits in the Promethei Lingula region, Planum Australe, Mars

South polar layered deposits on Mars sculpted by directional winds (left to right) into ridge-and-groove topography known as Australe Sulci. The resistant buttes may be pedestal crater remnants. (Mosaic of parts of Mars Odyssey THEMIS visual range images V08829007 and V0854014; image credit: NASA/JPL/Arizona State University). (full-resolution, 600kb)

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Accumulation and erosion of south polar layered deposits in the Promethei Lingula region, Planum Australe, Mars

Eric J. Kolb¹ and Kenneth L. Tanaka²
¹Dept. of Geological Sciences, Arizona State University, Tempe, AZ 85287, USA
²Astrogeology Team, U.S. Geological Survey, Flagstaff, AZ 86001, USA

Citation: Mars 2, 1-9, 2006; doi:10.1555/mars.2006.0001

History: Submitted: December 4, 2005; Reviewed: February 4, 2006; Revised: March 13, 2006; Accepted: March 31, 2006; Published: April 15, 2006

Summary: The geologic mapping of south polar layered deposits in the Promethei Lingula region, Planum Australe, Mars, indicates that aeolian-based South Polar Layered Deposit accumulation and erosion were controlled by substrate topography, leading to formation of large canyon systems. Subsequent erosion is largely confined to the chasmata walls and marginal scarp of Promethei Lingula and no evidence is observed for lateral migration of spiral troughs.

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Last Updated: June 14, 2010 The MARS Journal is an open-access publication distributed under the terms of a Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.