coarse sediment

coarse sediment
sediment with a particle size greater than 2.0 mm. Includes gravel, cobbles and boulders

Dictionary of ichthyology. 2009.

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  • river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

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  • varved deposit — Any form of repetitive sedimentary rock stratification that was deposited within a year. This annual deposit usually consists of paired contrasting layers (varves) of alternately finer (darker) and coarser (lighter) silt or clay, reflecting… …   Universalium

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