Lateglacial cryptotephra detected within clay varves in Östergötland, south‐east Sweden

ABSTRACT Here we present a 710‐year‐long floating varve record from south‐east Sweden. Tephra analyses confirm the presence of the rhyolitic Vedde Ash preserved within two consecutive varve years, confirming the Younger Dryas age of the varve series. This permits, for the first time, direct correlat...

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Bibliographic Details
Published in:Journal of Quaternary Science
Main Authors: MACLEOD, A., BRUNNBERG, L., WASTEGÅRD, S., HANG, T., MATTHEWS, I. P.
Other Authors: European Cooperation in Science and Technology
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 2014
Subjects:
North Atlantic
Online Access:http://dx.doi.org/10.1002/jqs.2738
https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjqs.2738
https://onlinelibrary.wiley.com/doi/pdf/10.1002/jqs.2738
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Summary:ABSTRACT Here we present a 710‐year‐long floating varve record from south‐east Sweden. Tephra analyses confirm the presence of the rhyolitic Vedde Ash preserved within two consecutive varve years, confirming the Younger Dryas age of the varve series. This permits, for the first time, direct correlation of Swedish varved clay with other records of equivalent resolution which also preserve the Vedde Ash and demonstrates that the potential exists to independently date the Swedish Timescale. This discovery will allow direct comparison of rates, timing and duration of key climatic events across Europe and the North Atlantic region in records of equivalent resolution.

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