Recent analyses of CRISM data have discovered jarosite in this portion of the trough wall, possibly within a previously identified aluminum clay unity. Jarosite is a sulfate mineral also detected by the Spirit and Opportunity rovers.

ID: ESP_055000_2025
date: 21 April 2018
altitude: 280 km

https://uahirise.org/hipod/ESP_055000_2025
NASA/JPL-Caltech/University of Arizona
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