These might be possible mud or igneous volcanoes. Aurorae Chaos is a region on Mars at the eastern end of the outflow channels from Valles Marineris into Chryse Planitia.

ID: ESP_054780_1730
date: 3 April 2018
altitude: 269 km

https://uahirise.org/hipod/ESP_054780_1730
NASA/JPL-Caltech/UArizona
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