{{Short description|Valles on Mars}} {{Infobox feature on celestial object |name = Tiu Valles |image = Tiu Valles 366S06.jpg |caption = [[Viking program|Viking Orbiter 1]] image of part of Tiu Valles |coordinates = {{coord|15.9|N|35.7|W|globe:mars_type:landmark|display=inline,title}} }} The '''Tiu Valles''' {{IPAc-en|'|t|iː|uː|_|'|v|ae|l|iː|z}} are an [[outflow channel]] system in the [[Oxia Palus quadrangle]] of [[Mars]], centered at 16.23° North and 34.86° West.<ref name="Gazetteer">{{cite web |url= https://planetarynames.wr.usgs.gov/Feature/6038?__fsk=449578520 |title=Tiu Valles |date=1 October 2006 |website=Gazetteer of Planetary Nomenclature |publisher=[[International Astronomical Union]] |access-date=31 July 2016}}</ref>
They are {{convert|1720|km|abbr=on}} long and were named after the word for "Mars" in [[Old English]] (West Germanic).<ref name="Gazetteer" />
<gallery class="center" widths="190px" heights="180px" > Wikichaosmap.jpg|Topographic map of Oxia Palus region of Mars showing the location of a number of chaos regions and valleys, including the Tiu Valles Tiu Valles 827A21.jpg|[[Viking program|Viking Orbiter 1]] image of a distal (northern) part of Tiu Valles, showing where it divides to go around the craters [[Lydda (crater)|Lydda]] and [[Kipini (crater)|Kipini]]. Tiu Valles Ridges.JPG|The Tiu Valles, as seen by [[HiRISE]]. Ridges were probably formed by running water (scale bar is 1.0 km) </gallery>
==See also==
{{div col}} * [[Chaos terrain]] * [[Geology of Mars]] * [[HiRISE]] * [[Martian chaos terrain]] * [[Outburst flood]] * [[Outflow channels]] {{div col end}}
== References == {{reflist}}
==Further reading==
*{{cite book |author=Baker, V.R. |author2=Carr, M.H. |author3=Gulick, V.C. |author4=Williams, C.R. |author5=Marley, M.S. |name-list-style=amp |chapter=Channels and Valley Networks |title=Mars |editor=Kieffer, H.H. |editor2=Jakosky, B.M. |editor3=Snyder, C.W. |editor4=Matthews, M.S. |publisher=[[University of Arizona Press]] |location=Tucson, AZ }} *{{cite book |author=Carr, M.H. |chapter=Channels, Valleys and Gullies |title=The Surface of Mars |date=11 January 2007 |publisher=[[Cambridge University Press]] |isbn=978-0-521-87201-0 }}
{{Geography of Mars}} {{Portal bar|Solar System}}
[[Category:Valleys and canyons on Mars]] [[Category:Oxia Palus quadrangle]]
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