Keyword Definition

A general term for clay, silt, sand, gravel or similar unconsolidated detrital material, deposited during comparatively recent geologic time by a stream or other body of running water, as a sorted or semisorted sediment in the bed of the stream or on its flood plain or delta, as a cone or fan at the base of a mountain slope; esp. such a deposit of fine-grained texture (silt or silty clay) deposited during time of flood.  The term does not apply to subaqueous deposits in seas, estuaries, lakes, and ponds.

Hierarchical classification

Null >> Null >> Null >> Null >> Sample >> Lithosphere >> Unconsolidated >> Terrestrial >> Fluvial >> Stream sediments >> Alluvium



Category: Analysed material

The different kinds of sample material collected in the field have been classified hierarchically. Examples: “till”, “soil”, “vegetation”. Taken from the “Sample_Types_SHARED” database table.

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