Clustered streamlined forms in Athabasca Valles, Mars: Evidence for sediment deposition during floodwater ponding

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21 Scopus citations

Abstract

A unique clustering of layered streamlined forms in Athabasca Valles is hypothesized to reflect a significant hydraulic event. The forms, interpreted as sedimentary, are attributed to extensive sediment deposition during ponding and then streamlining of this sediment behind flow obstacles during ponded water outflow. These streamlined forms are analogous to those found in depositional basins and other loci of ponding in terrestrial catastrophic flood landscapes. These terrestrial streamlined forms can provide the best opportunity for reconstructing the history of the terrestrial flooding. Likewise, the streamlined forms in Athabasca Valles may provide the best opportunity to reconstruct the recent geologic history of this young Martian outflow channel.

Original languageEnglish (US)
Pages (from-to)242-252
Number of pages11
JournalGeomorphology
Volume69
Issue number1-4
DOIs
StatePublished - Jul 2005
Externally publishedYes

Keywords

  • Bed forms
  • Deposits
  • Floods
  • Mars
  • Sedimentation

ASJC Scopus subject areas

  • Earth-Surface Processes

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