Mars Odyssey Mission THEMIS: Feature Image: Granicus Vallis (Released 19 February 2003)

Vital Statistics
Location: 31.7N, 125.4E	Released: 2003-02-19
Image Size: 19.5 x 69.3 km, 1024 x 3648 px
Resolution: 19m	Instrument: VIS

Image Credit: NASA/JPL/ASU

Image Context:
Context image for 20030219a

Wide Context:
Wide context image for 20030219a

Context image credit: NASA/JPL/MOLA
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Detailed information on this image is available at the THEMIS Data Releases website.

Please see the THEMIS Data Citation Note for details on crediting THEMIS images.

Granicus Vallis, located northwest of the Elysium volcanic complex, may owe its origin to the interaction of volcanic heating and subsurface ground ice. One of the most interesting features seen in this image are the quasi-dendritic depres- sions, best seen in the upper third of the image. These may be drainage systems formed by the melting of the local permafrost table. Granicus is the ancient name for a river in Turkey.