alluvial deposit

Other forms: alluvial deposits

Definitions of alluvial deposit
  1. noun
    clay or silt or gravel carried by rushing streams and deposited where the stream slows down
    synonyms: alluvial sediment, alluvion, alluvium
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    types:
    delta
    a low area of alluvial deposits where a river divides before entering a larger body of water
    placer
    an alluvial deposit that contains particles of some valuable mineral
    type of:
    deposit, sediment
    matter that has been deposited by some natural process
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