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Pleistocene palaeomeanders of the River Avon, Warwickshire

Lookup NU author(s): Professor Darrel Maddy


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The river terrace record of the Warwickshire Avon contains a number of palaeomeander remnants. Sediments preserved within palaeomeanders at Cropthorne and Eckington underlie the No. 3 terrace of the Avon and have been shown to contain faunas of Ipswichian Interglacial age (Oxygen Isotope Substage (OIS) 5e). They are considered to represent deposition at that time in a meandering river. At Cropthorne the meander was 'cut-off' before the incision that preceeded the formation of the No. 2 terrace. A similar abandonment of a former meander is confirmed by clast lithological evidence from sediments around Broom near the Avon/Arrow confluence. Here the 'cut-off' is shown by molluscan evidence to have occurred after the establishment of cold climate conditions in the Devensian, and during the deposition of the sediments that underlie the No. 2 terrace. These adjustments of channel pattern are interpreted as response to change in discharge and sediment supply accompanying deterioration of climate at the end of the last interglacial. Palaeomeander remnants have been preserved by migration of the active valley floor away from them during the Devensian.

Publication metadata

Author(s): Maddy D, Lewis S, Keen D

Publication type: Article

Publication status: Published

Journal: Proceedings of the Geologists' Association

Year: 1999

Volume: 110

Issue: 2

Pages: 163-172

Print publication date: 01/01/1999

ISSN (print): 0016-7878

ISSN (electronic):


DOI: 10.1016/S0016-7878(99)80067-4


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