This lava flow in Daedalia Planum appears dark in daytime infrared. One of our reasons to acquire this image is to create a digital terrain model to measure flow thickness. 
ID: 
ESP_062076_1555date: 24 October 2019 
altitude: 252 km
https://uahirise.org/hipod/ESP_062076_1555
NASA/JPL-Caltech/University of Arizona
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