dark, rich and soft
The river delta, named for the shape of the greek letter delta (Δ)
Highly fertile silt. The structure of the soil particles is like sand.
A delta
The area of fertile soil at the mouth of a river is called river delta.
river delta
Delta soil primarily comes from sediment deposited by the Mississippi River. Over millions of years, the river has carried and deposited fine-grained sediments, creating the fertile soil that characterizes delta regions like the Mississippi Delta. Additionally, natural processes like flooding and erosion contribute to the formation and replenishment of the soil in delta areas.
sedimentation
a delta. it is usually at the mouth of a river. (ex. there is a delta at the end of the nile river.)
Alluvial types of soil.
Delta
The land formed by deposited soil at the mouth of a river is called a delta (named for the Greek letter, which is similarly triangular in shape).The most well known are the Ganges River Delta, India, the Nile River Delta, Egypt, and the largest is the Amazon River Delta, Brazil.
The name given to soil deposited at the mouth of a river is called silt. The mouth of a river is called a delta.