NASA's Mars Global Surveyor shows two views of Olympus Mons on Mars featuring the volcano's scarp and massive aureole deposit that was produced by flank collapse.

Two views of Olympus Mons, shown as topography draped over a Viking image mosaic. MOLA's regional topography has shown that this volcano sits off to the west of the main Tharsis rise rather than on its western flank. The topography also clearly shows the relationship between the volcano's scarp and massive aureole deposit that was produced by flank collapse. The vertical exaggeration is 10:1.

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