CRISM image: Volcanics and sulfates in Juventae Chasma

Juventae Chasma is a large canyon located northeast of the Valles Marineris canyon system in the equatorial part of Mars’ western hemisphere. Valles Marineris is about the size of the Mediterranean Sea if it were emptied of water; it would span the length of the United States! Juventae Chasma is about the size as Lake Huron if it were empty – but Lake Huron is not nearly as deep. This mound on the canyon floor… [More at link]