Within the red rock at Serpentine Rapids, Perseverance found unusual patches of dark and drab green, which drew NASA's attention. "Green spots like those observed in the Wallace Butte abrasion are ...

The movement of the glacier pulls these frozen rocks away. Abrasion – rocks trapped in the glacier rub against the valley floor wearing it away like sandpaper. Eroded material, such as rock ...

Different types of erosion include hydraulic action where the force of the wave traps air into the rock and breaks it apart. There is also abrasion which is the action of pebbles grinding against ...

In one of its latest activities, Perseverance captured a detailed nighttime mosaic image of an abrasion patch on a rock formation named “Malgosa Crest” within the “Serpentine Rapids” area.