Fractures on Pavonis Mons. This observation was suggested by students at the Mars Academy in Brazil. Here is their original rationale: “This “stressed-out” region of the northeastern slopes of Pavonis Mons contains multiple sets of sub-parallel faults, with down-thrown blocks indicating tensional stretching of the crustal layers. We wish to examine a couple of these features in detail using HiRISE images….”
Beautiful Mars series. [More at links]