Tractus Catena region
April 27, 2012
A wider contextual image of the Tractus Catena region showing the surrounding fossae and the large shield volcano Ascraeus Mons, discovered by Mariner 9 in 1971.
Topics:
Environment, Volcanology, Shield volcanoes, Geology, Tractus Catena, Tharsis quadrangle, Planetary geology, Fossa, Ascraeus Mons, Volcano
