CoachDeposition is the laying-down of the pieces of rock carried by water, wind or ice, where they slow down and stop.
示例
Example 10.6 (The stream after the storm)
The brown water of Tom and Lena’s stream carries mud torn from its banks: that is erosion. A week later, the stream is clear again, and a thin layer of mud covers the bottom of the calm pool at the end of the playground: that is deposition.