This may be a source region of flow material that enclosed the adjacent raised ridges and continues on to the north. High resolution can help to determine if the terraced forms are due to erosion, deposition, or collapse. The alignment of the trough cross-cuts the raised ridges.

ID: ESP_055231_2065
date: 9 May 2018
altitude: 280 km

https://uahirise.org/hipod/ESP_055231_2065
NASA/JPL-Caltech/UArizona
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