Diluvial

Diluvium is a term in geology for superficial deposits formed by flood-like operations of water, and so contrasted with alluvium or alluvial deposits formed by slow and steady aqueous agencies. The term was formerly given to the boulder clay deposits, supposed to have been caused by the Noachian deluge.

This may be an archaic out-of date term This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.

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