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Volcanic flows cover the majority of the surface of Mars. In some regions, like around Arsia Mons, the flows are readily identifiable. As time passes, the flow features are covered or eroded away by other processes. This region of Tharsis near Olympus Mons contains subtle features showing its lava flow origin. Note the 'softened' flow fronts and lava channels.

Orbit Number: 38754 Latitude: 12.059 Longitude: 229.652 Instrument: VIS Captured: 2010-09-09 08:27

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

NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA's Science Mission Directorate, Washington, D.C. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. The THEMIS investigation is led by Dr. Philip Christensen at Arizona State University. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of Technology in Pasadena.