The correct answer is "delta." The name for a triangular-shaped deposit of sand and soil at the mouth of some rivers is called delta. Delta <span>is a landform that </span>forms<span> from deposition of sediment carried by a river as the flow leaves its mouth and enters slower-moving or standing </span>water<span>.</span>
The type of igneous rock texture results from very rapid coiling such id phaneritic
