Orcus Patera

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Elevation map centered on Orcus Patera

Orcus Patera is a region on the surface of the planet Mars first imaged by Mariner 4.[1] It is a depression about 380 km long, 140 km wide, and about 0.5 km (500 meters) deep but with a relatively smooth floor.[2] It has a rim up to 1.8 km high.[2] Orcus Patera is west of Mons Olympus and east of Elysium Mons.[2] It is about half-way between those two volcanoes, and east and north of Gale crater.

It has experienced aeolian processes, and has some small craters and graben structures.[2] However, it is not known how the patera originally formed.[2] Theories include volcanic, tectonic, or cratering events.[2]

Mars Express observed this region in 2005, yielding a digital terrain model and color pictures.[2]

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References[edit]

  1. ^ Williams, Dave; Friedlander, Jay. "The Orcus Patera region on Mars". Mars - Mariner 4. NASA. Retrieved December 20, 2015. 
  2. ^ a b c d e f g "HRSC Press Release #471 - Orcus Patera (orbit 2216 & 2238)". 2010-08-27. Archived from the original on 2014-08-07.