This enormous structure gives important information about the planet's geological activity and is a monument to its past as a volcanic powerhouse. Apart fryono slots all appsom its volcanic landscape, Valles Marineris is a vast system of canyons that spans over 2,500 miles & descends to a depth of up to 7 miles on Mars. This enormous feature, which provides important insights into the planet's geological processes, is believed to have been formed by tectonic activity & erosion.