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varve
(redirected from varved)

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varve, in geology, pair of thin sedimentary layers formed annually by seasonal climatic changes. Usually found in glacial lake deposits, varves consist of a coarse-grained, light-colored summer deposit and a finer-grained, dark-colored winter deposit formed when fine sediment settles out from the water under the ice cover. Varves, and the pollen they contain, are useful for interpreting recent climatic history.
varve [′värv]
(geology)
A sedimentary bed, layer, or sequence of layers deposited in a body of still water within a year's time, and usually during a season. Also known as glacial varve.
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Proglacial varved clay is outcropping in the northern part of the lake bottom.
Ostracod assemblages indicating a low water level episode of Lake ... by Niinemets, Eve; Hang, Tiit / Estonian Journal of Earth Sciences
The role of biogeochemical cycling for the formation and preservation of varved sediments in Soppensee (Switzerland).
Fossil pigments in surface sediments of some Estonian ... by Mikomagi, Annika; Punning, Jaan-Mati / Proceedings of the Estonian Academy of Sciences: Biology/Ecology
Both these sites are located on the riverbank where varved clays underlie the studied deposits and landslides are quite common, thus one can suspect that these deposits are not in situ position.
Holocene buried organic sediments in Estonia/Holotseensed mattunud ... by Saarse, Leili; Vassiljev, Juri; Miidel, Avo; Niinemets, Eve / Proceedings of the Estonian Academy of Sciences: Geology
 
 
 
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