NOUN
- clay or silt or gravel carried by rushing streams and deposited where the stream slows down
How To Use alluvial sediment In A Sentence
- In the central and eastern parts of the range, the northern margin is also sharply defined, but separates bedrock from glacial and alluvial sediments or bedrock inliers.
- Silicate minerals constitute most alluvial sediment on Earth.
- Gentle but steady water movement produced by slow flow through lakes and meandering backwater stream channels provides aeration and slow accretion of alluvial sediments.
- Peaty alluvial soils characteristically have an O horizon which usually occurs at the surface but can be interbedded with freshwater alluvial sediments.