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Alluvial deposit

A rock classification type
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i. 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, (1) as sediment in the bed of the stream or on its flood plain or delta, (2) 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.

Synonym of: alluvium, alluvion

Ref: AGI

ii. A driller's term for the broken, earthy rock material directly below the soil layer and above the solid, unbroken bed or ledge rock. Etymol: Latin alluvius, from alluere, to wash against. Plural: alluvia; alluviums.

Ref: AGI


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Unique IdentifiersHide

Mindat ID:
50949
Long-form identifier:
mindat:1:1:50949:1

Classification of Alluvial depositHide

Synonyms of Alluvial depositHide

Internet Links for Alluvial depositHide

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