Atlantis Chaos is a region of chaos terrain in the Phaethontis quadrangle of Mars. It is located around 34.7° south latitude, and 177.6° west longitude. It is encompassed by the Atlantis basin. The region is 162 kilometers (101 mi) across, and was named after an albedo feature at 30° S, 173° W.
Map showing relative positions of Atlantis Chaos, Gorgonum Chaos, Magelhaens Crater and Simois Colles
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