HiPOD 21 Jan 23: Fine-Branched Ridges

The raised relief of these branching ridges suggests that these are ancient channels are inverted due to lithification and cementation of the riverbed sediment, which made it more resistant to erosion than the surrounding material. Wind-blown bedforms are abundant and resemble small ridges that are aligned in an approximately north-south direction.

https://uahirise.org/hipod/ESP_024497_1745
NASA/JPL-Caltech/UArizona
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