Alternate Definitions for Varve

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Term: Varve
Definition: A varve is a pair of sedimentary layers, a couplet, that form in an annual cycle as the result of seasonal weather changes. Typically formed in glacial lakes a varve couplet consists of a coarser grained summer layer formed during open-water conditions, and a finer grained winter layer formed from deposition from suspension during a period of winter ice cover. Many varve deposits contain hundreds of couplets.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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