Geological formations are natural structures made up of rock and sediment that have been shaped by various geological processes over millions of years. These formations can include mountains, valleys, and plateaus, each telling a unique story about the Earth's history and the forces that have shaped it. For example, the Grand Canyon showcases layers of rock that reveal the geological timeline of the region. Understanding geological formations is crucial for various fields, including paleontology, archaeology, and environmental science. They provide insights into past climates, the movement of tectonic plates, and the evolution of life on Earth. Studying these formations helps scientists predict natural disasters and manage natural resources effectively.