A varve is an annual layer of sediment or sedimentary rock.
Terms such as "annually laminated" are synonymous with varve. Of the many rhythmites found in the geological record, varves are one of the most important and illuminating to studies of past climate change.
Varves are amongst the smallest-scale events recognised in stratigraphy.
For more information about the topic Annual sedimentary layer, read the full article at Wikipedia.org, or see the following related articles:
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