# Aureum Chaos

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Chaos on Mars

Aureum Chaos Map showing location of Aureum Chaos (shown on the far left) along with Arsinoes Chaos (far left), Iani Chaos, Margaritifer Chaos, and other nearby features Coordinates 4°24′S 27°00′W / 4.4°S 27°W / -4.4; -27 Length 368 km Discoverer Mariner 9

**Aureum Chaos** is a rough, collapsed region ([chaos terrain](/source/Martian_chaos_terrain)) in the [Margaritifer Sinus quadrangle](/source/Margaritifer_Sinus_quadrangle) (MC-19) portion of the planet [Mars](/source/Mars) at approximately 4.4° south latitude and 27° west longitude, it is also in the west of [Margaritifer Terra](/source/Margaritifer_Terra). It is 368 km across and was named after a classical albedo feature name.[1]

The classic name came from one of the first maps of Mars drawn by [Schiaparelli](/source/Giovanni_Schiaparelli). He called a feature "Aurea Cherso, which translates to the golden peninsula—an ancient name for Malaya.[2] Aureum is the Latin word for [gold](/source/Gold). In chemistry, the symbol for gold is Au from gold's Latin name.

## Description

Aureum Chaos is a major canyon system and collapsed area. The canyons are about 1 km deep. Large outflow channels on Mars are believed to be caused by catastrophic discharges of ground water.[3] Many of the channels begin in chaotic terrain, where the ground has apparently collapsed. In the collapsed section, blocks of undisturbed material can be seen. The OMEGA experiment on [Mars Express](/source/Mars_Express) discovered clay minerals (phyllosilicates) in a variety places in Aureum Chaos. [Clay](/source/Clay) minerals need water to form, so the area may once have contained large amounts of water.[4]

## Gallery

		- Aureum Chaos, as seen from Themis.

		- Perspective view of the canyon systems

## See also

- [List of areas of chaos terrain on Mars](/source/List_of_areas_of_chaos_terrain_on_Mars)

## References

1. **[^](#cite_ref-1)** ["Aureum Chaos"](https://planetarynames.wr.usgs.gov/Feature/473). *Gazetteer of Planetary Nomenclature*. USGS Astrogeology Research Program.

1. **[^](#cite_ref-2)** MacDonald, T. 1971. The Origins of Martian Nomenclature. Icarus: 15. 233-240.

1. **[^](#cite_ref-3)** ["HiRISE | Mesas in Aureum Chaos (ESP_016869_1775)"](http://hirise.lpl.arizona.edu/ESP_016869_1775).

1. **[^](#cite_ref-4)** ["HiRISE | High Resolution Imaging Science Experiment"](http://hirise.lpl.arizona.edu/PSP_0040261765). Retrieved 2009-02-15.{{[cite web](https://en.wikipedia.org/wiki/Template:Cite_web)}}: CS1 maint: deprecated archival service ([link](https://en.wikipedia.org/wiki/Category:CS1_maint:_deprecated_archival_service))

## External links

- Media related to [Aureum Chaos](https://commons.wikimedia.org/wiki/Category:Aureum_Chaos) at Wikimedia Commons

- [The mesas of Aureum Chaos with Mars Express](http://www.esa.int/esaMI/Mars_Express/SEMF19NQS7E_1.html)

- [NASA Astronomy Picture of the Day: Layers in Aureum Chaos (4 April 2008)](https://apod.nasa.gov/apod/ap080404.html)

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Adapted from the Wikipedia article [Aureum Chaos](https://en.wikipedia.org/wiki/Aureum_Chaos) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Aureum_Chaos?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.