Evidence for the presence of the Vedde Ash in Central Europe

S. P E Blockley, C. S. Lane, A. F. Lotter, A. M. Pollard

Research output: Contribution to journalArticlepeer-review

Abstract

As part of ongoing research to find distal tephra, two lacustrine cores were analysed for the presence of volcanic ash layers, not visible to the naked eye: Soppensee, in Switzerland, and Rotmeer, in Southern Germany. The Laacher See Tephra (∼12,900 ka BP) is present as a visible layer in both sites. In both cores we found a discrete tephra horizon, with similar morphologies, in the middle of the biostratigraphic units equivalent to the Younger Dryas stadial. The vitreous components of these two tephra layers are geochemically identical. Comparison of the geochemical, stratigraphical, and chronological data from both sites, strongly suggest that the tephra can be attributed to the Icelandic Vedde Ash, a widely distributed horizon found throughout the North Atlantic and Northern Europe. Our results indicate that a precise and direct correlation between the Greenland ice cores and Central European sequences is now possible, based on a co-located tephra layer. This means that there is now the potential, to independently test climate synchronicity between Greenland and Europe, as far south as the Alps. © 2007 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)3030-3036
Number of pages6
JournalQuaternary Science Reviews
Volume26
Issue number25-28
Publication statusPublished - Dec 2007

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