Tiu Valles

Viking Orbiter 1 image of part of Tiu Valles
Coordinates	15°54′N35°42′W / 15.9°N 35.7°W /15.9; -35.7

TheTiu Valles/ˈtiːuːˈvæliːz/ are anoutflow channel system in theOxia Palus quadrangle ofMars, centered at 16.23° North and 34.86° West.^[1]

They are 1,720 km (1,070 mi) long and were named after the word for "Mars" inOld English (West Germanic).^[1]

• 
  Tographic map of Oxia Palus region of Mars showing the location of a number of chaos regions and valleys, including the Tiu Valles
• 
  Viking Orbiter 1 image of a distal (northern) part of Tiu Valles, showing where it divides to go around the cratersLydda andKipini.
• 
  The Tiu Valles, as seen byHiRISE. Ridges were probably formed by running water (scale bar is 1.0 km)

• Baker, V.R.; Carr, M.H.; Gulick, V.C.; Williams, C.R. & Marley, M.S. "Channels and Valley Networks". In Kieffer, H.H.; Jakosky, B.M.; Snyder, C.W. & Matthews, M.S. (eds.).Mars. Tucson, AZ:University of Arizona Press.
• Carr, M.H. (11 January 2007). "Channels, Valleys and Gullies".The Surface of Mars.Cambridge University Press.ISBN 978-0-521-87201-0.

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