HiRISE 3D: Hills in Coprates Chasma
These two well developed cones, probably Martian equivalents of cinder cones, are part of a wider volcanic field in Valles Marineris.
https://www.uahirise.org/anaglyph/ESP_074326_1670_ESP_074115_1670_RED
NASA/JPL-Caltech/UArizona