What landform is caused by depostion of sediments?

A delta is a landform created by the deposition of sediments at the mouth of a river, where it meets a body of water such as an ocean, sea, or lake. As the river slows down, it drops the sediment it carries, building up land over time. Deltas typically exhibit a triangular or fan-shaped appearance and can support diverse ecosystems. Other examples of depositional landforms include beaches, sand dunes, and floodplains.