How a Delta Forms Where River Meets Lake

This diagram depicts rivers entering a lake. Where the water flow decelerates, sediments drop out, and a delta forms, depositing a prism of sediment that tapers out toward the lake interior.

This diagram depicts rivers entering a lake. Where the water flow decelerates, sediments drop out, and a delta forms, depositing a prism of sediment that tapers out toward the lake interior.

MarsMars Science Laboratory MSL