HiPOD: Week of 20 September 2021 

When Did the Light-Toned Layers Form?

When Did the Light-Toned Layers Form?
Determining when the light-toned layered deposits formed is important for understanding the geologic history of Valles Marineris, especially because these deposits are hydrated and most likely formed in the presence of liquid water.   
Bright and Dark Slope Streaks

Bright and Dark Slope Streaks
Slope streaks are common in the tropics of Mars. Once thought to be caused by flowing water, most scientists now believe that they are avalanches of dust.  
A Colorful Landslide in Eos Chasma

A Colorful Landslide in Eos Chasma
Lower-resolution infrared data had previously revealed an unusual concentration of the igneous mineral orthopyroxene at this location.