A sedimentary basin is a low-lying area where sediments accumulate over time. These basins can form in various environments, such as river valleys, lake beds, or ocean floors. The weight of the accumulating sediments can cause the basin to sink further, allowing more layers to build up. This process can create significant geological features and is essential for understanding Earth's history. Sedimentary basins are important for natural resources, as they often contain fossil fuels like oil and natural gas. The layers of sediment can trap these resources, making them accessible for extraction. Studying these basins helps geologists learn about past climates and environments, contributing to our knowledge of Earth's geological processes.