Central caldera of Olympus Mons on Mars
March 20, 2003
Mariner 9 image of the central caldera of the Martian volcano, Olympus Mons. the basic morphology is similar to terrestrial calderas, although the scale is much larger.
Topics: Igneous rocks, Volcanology, Geology, Olympus, Environment, Elysium Mons, Mariner 9, Caldera, Arsia Mons, Olympus Mons, Shield volcanoes, Volcano, Mars