What exactly is this curved feature to the northeast of Olympus Mons that stands in opposition to most of the formations around it? Could it have been a crater that was subsequently eroded and buried?

ID: ESP_055390_2000
date: Monday, 21 May 2018
altitude: 264 km (163.68 mi)

https://uahirise.org/hipod/ESP_055390_2000
NASA/JPL-Caltech/University of Arizona
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