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Further Evidence for a Middle Würm Interstadial and a Main Würm Glaciation of South-west Wales

Published online by Cambridge University Press:  01 May 2009

Brian S. John
Affiliation:
Department of Geography, Science Laboratories, University of Durham.

Abstract

At Cil-maenllwyd (Cardiganshire) glacial outwash sands were found to contain layers of small wood fragments. A radiocarbon age determination of 33,750 yrs B.P. indicates that the wood fragments are probably of Middle Würm age, and that the last glaciation of St. George's Channel occurred during the Main Würm. Pollen and spores contained in the sands suggest that the environment prior to the last glaciation was at one stage predominantly forested. The organic remains are thought to relate to the problematical “ Middle Würm Interstadial ”, rather than the Paudorf Interstadial.

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Articles
Copyright
Copyright © Cambridge University Press 1967

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