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Re-evaluation of the Middle Pleistocene stratigraphy of Herefordshire, England

✍ Scribed by Andrew E. Richards

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
521 KB
Volume
13
Category
Article
ISSN
0267-8179

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✦ Synopsis

Lithostratigraphical analysis of remnants of high-level, poorly sorted gravel remnants in northeast Herefordshire has allowed the revision and expansion of the existing regional Middle Pleistocene stratigraphical sequence to incorporate two new formations. The oldest Pleistocene sediments in the region, the Humber Formation, represents part of a major, northerly derived, cold-stage fluvial system, which incorporated the ancestors of the rivers Lugg and Wye and tributaries of the Severn. The Risbury Formation consists of glacigenic sediments, which were deposited by a large ice-lobe emanating from a Welsh ice-cap. The Risbury Formation is correlated with glacigenic deposits in the Cradley Brook Valley on the west side of the Malvern Hills, which were formerly ascribed to a pre-Hoxnian, Severn Valley ice-sheet.

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