Is this some kind of inverted fluvial system? Despite some concerns about how dust storm activity might affect this observation, this is still a worthwhile target. We see a beautiful complex of sinuous and intersecting ridges, likely composed of material that was more resistant to erosion than the surrounding terrain. High resolution can help us to decipher the sedimentary and fluvial features.

ID: ESP_066130_1320
date: 4 September 2020
altitude: 256 km

https://uahirise.org/hipod/ESP_066130_1320
NASA/JPL-Caltech/UArizona
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