
Tharsis-centered volcanic and tectonic activity resulted in the formation of radial grabens of Memnonia Fossae, which cut materials of the ancient cratered highlands and the relatively young, highland-embaying lava flows as seen by NASA's Viking Orbiter 2. http://photojournal.jpl.nasa.gov/catalog/PIA00151
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NASA ID
PIA00151
Date Created
June 4, 1998
Center
JPL
Media Type
image
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