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Ausonia Mensa

Summary

Ausonia Mensa is a mensa in the Hellas quadrangle of Mars, located at 30.3° S and 262.3° W. It is 103 km (64 mi) across and was named after an albedo feature name.[1] The term "mensa" is used for a flat-topped prominence with cliff-like edges.[2] Ausonia Mensa has many small channels. Some features look like alluvial fans. These channels add to the mass of evidence that water once flowed on Mars.[3][4] Images of curved channels have been seen in images from Mars spacecraft dating back to the early 1970s with the Mariner 9 orbiter.[5][6][7][8]

  • Channel in Ausonia Mensa, as seen by HiRISE under HiWish program
    Channel in Ausonia Mensa, as seen by HiRISE under HiWish program
Ausonia Mensa
Ausonia Mensa, as seen by MGS. This eroded mensa has many channels.
Coordinates30°18′S 262°18′W / 30.3°S 262.3°W / -30.3; -262.3
Diameter103 km (64 mi)

See also edit

 
Wikimedia Commons has media related to Ausonia Mensa.

References edit

  1. ^ "Ausonia Mensa". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
  2. ^ International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN). "Descriptor Terms (Feature Types)". Gazetteer of Planetary Nomenclature. US Geological Survey. Retrieved 21 January 2021.
  3. ^ Baker, V., et al. 2015. "Fluvial geomorphology on Earth-like planetary surfaces: a review". Geomorphology. 245, 149–182.
  4. ^ Carr, M. 1996. in Water on Mars. Oxford Univ. Press.
  5. ^ Baker, V. 1982. The Channels of Mars. Univ. of Tex. Press, Austin, TX
  6. ^ Baker, V., R. Strom, R., V. Gulick, J. Kargel, G. Komatsu, V. Kale. 1991. "Ancient oceans, ice sheets and the hydrological cycle on Mars". Nature 352, 589–594.
  7. ^ Carr, M. 1979. "Formation of Martian flood features by release of water from confined aquifers". J. Geophys. Res. 84, 2995–300.
  8. ^ Komar, P. 1979. "Comparisons of the hydraulics of water flows in Martian outflow channels with flows of similar scale on Earth". Icarus 37, 156–181.