Paraná Valles

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Paraná Valles
Inverted terrain context image.JPG
CTX context image for next image that was taken with HiRISE. Note long ridge going across image is probably an old stream. Box indicates area for HiRISE image.
Coordinates 23°06′S 10°12′W / 23.1°S 10.2°W / -23.1; -10.2Coordinates: 23°06′S 10°12′W / 23.1°S 10.2°W / -23.1; -10.2

Paraná Valles is a valley in the Margaritifer Sinus quadrangle (MC-19) region of Mars, located at approximately 23.1° South and 10.2° West. It is 350 km long and was named after an ancient and modern name for a South American river (Brazil, Argentina).[1] A low area between Paraná Valles and Loire Valles is believed to have once held a lake.[2][3]


  1. ^ "Paraná Valles". Gazetteer of Planetary Nomenclature. USGS Astrogeology Science Center. Retrieved 2014-07-11.  External link in |work= (help)
  2. ^ Goldspiel, J. and S. Squyres. 2000. Groundwater sapping and valley formation on Mars. Icarus. 89: 176-192.
  3. ^ Michael H. Carr (2006). The surface of Mars. Cambridge University Press. ISBN 978-0-521-87201-0. Retrieved 21 March 2011.