Aureole Deposit (Olympus Mons)
Living reference work entry
Rugged complex deposit shaped as a gigantic halo surrounding Olympus Mons on Mars. The term has also been used in plural (aureoles) to put emphasis on its composite nature and when distinction between the different sub-units is necessary.
Description and Morphometry
Up to 700 km wide rough-textured halo-shaped deposits surrounding Olympus Mons, Mars, displayed as a series of ~4–11 sub-circular lobes (Figs. 1 and 2). Single lobe-shaped units exhibit up to 1 km high transverse ridges. The maximum distance from the edifice of the Olympus Mons, about 700 km, is reached in correspondence of the NW unit. Single aureole lobes are some hundred meters thick; the maximum thickness (~2,200 m) is recorded along the SE-NW direction as a result of the superposition of more lobes. The total area estimated by Morris and Tanaka ( 1994) is 8.36 × 10 5 km 2, or nearly one tenth the extension...
KeywordsLava Flow Volcanic Edifice Catastrophic Landslide Hawaiian Volcano Dark Streak
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