Further, the smooth plains in the lower part of the image indicate the effects of lava flows ... one of Mars’ largest volcanoes. This suggests a time when Mars had a much more active surface ...

In a study co-authored by a Texas A&M University scientist, researchers have revealed new insights into the geological history of Mars's Jezero ... involving multiple lava flows with varying ...

The structure itself implies that Mars was very active in its geological past ... are the product of tectonic activity such ...