Active sand dunes are common on Mars, and 
have a variety of surface textures.  The “braided” texture visible here may be typical of dunes that are transitioning into sand sheets. 
Also see this image for a Context Camera view of this area. 
ID: 
ESP_062912_1700date: 28 December 2019 
altitude: 260 km
https://uahirise.org/hipod/ESP_062912_1700
NASA/JPL-Caltech/University of Arizona
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