GEOLOGY Mars displays diverse geological features. It boasts the tallest volcano, Olympus Mons, and Valles Marineris, a vast canyon system. The planet exhibits evidence of ancient river valleys, indicating past water flow. Sedimentary layers suggest a history of water-related processes. Impact craters, prevalent on its surface, provide insights into its history. The polar ice caps suggest frozen water, while mineral formations hint at past hydrothermal activity. Martian geology, shaped by volcanic activity, water, and impacts, continues to captivate scientists exploring its unique terrain for clues about its geological evolution and potential for past or present life.