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The age and stratigraphic context of the Easington Raised Beach, County Durham, UK

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The age and stratigraphic context of the Easington Raised Beach, County Durham, UK. / Davies, Bethan J.; Bridgland, David R.; Roberts, David H.; Cofaigh, Colm O.; Pawley, Stephen M.; Candy, Ian; Demarchi, Beatrice; Penkman, Kirsty E. H.; Austin, William E. N.

In: Proceedings of the Geologists' Association, Vol. 120, No. 4, 2009, p. 183-198.

Research output: Contribution to journalArticle

Harvard

Davies, BJ, Bridgland, DR, Roberts, DH, Cofaigh, CO, Pawley, SM, Candy, I, Demarchi, B, Penkman, KEH & Austin, WEN 2009, 'The age and stratigraphic context of the Easington Raised Beach, County Durham, UK' Proceedings of the Geologists' Association, vol. 120, no. 4, pp. 183-198. https://doi.org/10.1016/j.pgeola.2009.04.001

APA

Davies, B. J., Bridgland, D. R., Roberts, D. H., Cofaigh, C. O., Pawley, S. M., Candy, I., ... Austin, W. E. N. (2009). The age and stratigraphic context of the Easington Raised Beach, County Durham, UK. Proceedings of the Geologists' Association, 120(4), 183-198. https://doi.org/10.1016/j.pgeola.2009.04.001

Vancouver

Davies BJ, Bridgland DR, Roberts DH, Cofaigh CO, Pawley SM, Candy I et al. The age and stratigraphic context of the Easington Raised Beach, County Durham, UK. Proceedings of the Geologists' Association. 2009;120(4):183-198. https://doi.org/10.1016/j.pgeola.2009.04.001

Author

Davies, Bethan J. ; Bridgland, David R. ; Roberts, David H. ; Cofaigh, Colm O. ; Pawley, Stephen M. ; Candy, Ian ; Demarchi, Beatrice ; Penkman, Kirsty E. H. ; Austin, William E. N. / The age and stratigraphic context of the Easington Raised Beach, County Durham, UK. In: Proceedings of the Geologists' Association. 2009 ; Vol. 120, No. 4. pp. 183-198.

Bibtex - Download

@article{356400ebf62847ada7d8bd7e873e9f2e,
title = "The age and stratigraphic context of the Easington Raised Beach, County Durham, UK",
abstract = "The Easington Raised Beach, in Shippersea Bay, County Durham, is the most northerly known interglacial beach deposit in England. It lies directly on Magnesian Limestone bedrock at 33 m O.D. and is covered by glacial sediments attributed to the Devensian. Detailed sedimentological analysis suggests that it is an interglacial beach, which is supported by the presence of pebbles bored by marine organisms and littoral, temperate-climate, marine macro- and micro-fossils. It comprises beds of unconsolidated, bedded, imbricated, well-rounded sands and gravels, overlain by similar, but calcreted, deposits. The gravel fraction is dominated by Magnesian and Carboniferous limestone, with orthoquartzite, flint, and porphyries also present; these are far-travelled erratics that must have derived from the erosion of older glacially transported sediments. Previous workers have described erratics derived from the Oslofjord region of Norway in the raised beach gravel, although rocks diagnostic of a Scandinavian origin have not been recovered as part of this study. The heavy-mineral Suite is rich in epidote, dolomite, clinopyroxenes, garnet, tourmaline, and micas. The beach was dated previously by conventional amino acid analysis of the shells, which suggested a Marine Isotope Stage (MIS) 7 age, albeit with a reworked component from MIS 9. This has been confirmed by new optically stimulated luminescence (OSL) dates, which indicate that the beach formed between 240 and 200 ka BP. New amino acid racemisation analyses, using a modified technique, broadly support this interpretation but Must await more comparative data before they can be assessed fully. The strong indication of an MIS 7 age for the formation of the beach has implications for the uplift history of northeastern England during the Pleistocene, and indicates an uplift rate of 0.19 mm a(-1). The stable isotope geochemistry indicates that the cementation occurred during an interglacial period, whilst U-Series dating of the cement indicates that cementation occurred mostly during the Holocene, and is genetically related to the overlying Devensian till. This work has formed part of a full re-appraisal of the glacial sequence in eastern County Durham, the results of which suggest that the Warren House Formation pre-dates the raised beach, and that the Devensian Horden Till overlies the raised beach. (C) 2009 The Geologists' Association. Published by Elsevier Ltd. All rights reserved.",
keywords = "Quaternary, MIS 7, Raised beach, County Durham, Gravel, NORTHERN NORTH-SEA, SOUTHERN ENGLAND, EASTERN ENGLAND, QUATERNARY UPLIFT, MASS-SPECTROMETRY, DEPOSITS, RIVER, CARBONATE, SEDIMENTS, NORFOLK",
author = "Davies, {Bethan J.} and Bridgland, {David R.} and Roberts, {David H.} and Cofaigh, {Colm O.} and Pawley, {Stephen M.} and Ian Candy and Beatrice Demarchi and Penkman, {Kirsty E. H.} and Austin, {William E. N.}",
year = "2009",
doi = "10.1016/j.pgeola.2009.04.001",
language = "English",
volume = "120",
pages = "183--198",
journal = "Proceedings of the Geologists' Association",
issn = "0016-7878",
publisher = "Geological Society of London",
number = "4",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - The age and stratigraphic context of the Easington Raised Beach, County Durham, UK

AU - Davies, Bethan J.

AU - Bridgland, David R.

AU - Roberts, David H.

AU - Cofaigh, Colm O.

AU - Pawley, Stephen M.

AU - Candy, Ian

AU - Demarchi, Beatrice

AU - Penkman, Kirsty E. H.

AU - Austin, William E. N.

PY - 2009

Y1 - 2009

N2 - The Easington Raised Beach, in Shippersea Bay, County Durham, is the most northerly known interglacial beach deposit in England. It lies directly on Magnesian Limestone bedrock at 33 m O.D. and is covered by glacial sediments attributed to the Devensian. Detailed sedimentological analysis suggests that it is an interglacial beach, which is supported by the presence of pebbles bored by marine organisms and littoral, temperate-climate, marine macro- and micro-fossils. It comprises beds of unconsolidated, bedded, imbricated, well-rounded sands and gravels, overlain by similar, but calcreted, deposits. The gravel fraction is dominated by Magnesian and Carboniferous limestone, with orthoquartzite, flint, and porphyries also present; these are far-travelled erratics that must have derived from the erosion of older glacially transported sediments. Previous workers have described erratics derived from the Oslofjord region of Norway in the raised beach gravel, although rocks diagnostic of a Scandinavian origin have not been recovered as part of this study. The heavy-mineral Suite is rich in epidote, dolomite, clinopyroxenes, garnet, tourmaline, and micas. The beach was dated previously by conventional amino acid analysis of the shells, which suggested a Marine Isotope Stage (MIS) 7 age, albeit with a reworked component from MIS 9. This has been confirmed by new optically stimulated luminescence (OSL) dates, which indicate that the beach formed between 240 and 200 ka BP. New amino acid racemisation analyses, using a modified technique, broadly support this interpretation but Must await more comparative data before they can be assessed fully. The strong indication of an MIS 7 age for the formation of the beach has implications for the uplift history of northeastern England during the Pleistocene, and indicates an uplift rate of 0.19 mm a(-1). The stable isotope geochemistry indicates that the cementation occurred during an interglacial period, whilst U-Series dating of the cement indicates that cementation occurred mostly during the Holocene, and is genetically related to the overlying Devensian till. This work has formed part of a full re-appraisal of the glacial sequence in eastern County Durham, the results of which suggest that the Warren House Formation pre-dates the raised beach, and that the Devensian Horden Till overlies the raised beach. (C) 2009 The Geologists' Association. Published by Elsevier Ltd. All rights reserved.

AB - The Easington Raised Beach, in Shippersea Bay, County Durham, is the most northerly known interglacial beach deposit in England. It lies directly on Magnesian Limestone bedrock at 33 m O.D. and is covered by glacial sediments attributed to the Devensian. Detailed sedimentological analysis suggests that it is an interglacial beach, which is supported by the presence of pebbles bored by marine organisms and littoral, temperate-climate, marine macro- and micro-fossils. It comprises beds of unconsolidated, bedded, imbricated, well-rounded sands and gravels, overlain by similar, but calcreted, deposits. The gravel fraction is dominated by Magnesian and Carboniferous limestone, with orthoquartzite, flint, and porphyries also present; these are far-travelled erratics that must have derived from the erosion of older glacially transported sediments. Previous workers have described erratics derived from the Oslofjord region of Norway in the raised beach gravel, although rocks diagnostic of a Scandinavian origin have not been recovered as part of this study. The heavy-mineral Suite is rich in epidote, dolomite, clinopyroxenes, garnet, tourmaline, and micas. The beach was dated previously by conventional amino acid analysis of the shells, which suggested a Marine Isotope Stage (MIS) 7 age, albeit with a reworked component from MIS 9. This has been confirmed by new optically stimulated luminescence (OSL) dates, which indicate that the beach formed between 240 and 200 ka BP. New amino acid racemisation analyses, using a modified technique, broadly support this interpretation but Must await more comparative data before they can be assessed fully. The strong indication of an MIS 7 age for the formation of the beach has implications for the uplift history of northeastern England during the Pleistocene, and indicates an uplift rate of 0.19 mm a(-1). The stable isotope geochemistry indicates that the cementation occurred during an interglacial period, whilst U-Series dating of the cement indicates that cementation occurred mostly during the Holocene, and is genetically related to the overlying Devensian till. This work has formed part of a full re-appraisal of the glacial sequence in eastern County Durham, the results of which suggest that the Warren House Formation pre-dates the raised beach, and that the Devensian Horden Till overlies the raised beach. (C) 2009 The Geologists' Association. Published by Elsevier Ltd. All rights reserved.

KW - Quaternary

KW - MIS 7

KW - Raised beach

KW - County Durham

KW - Gravel

KW - NORTHERN NORTH-SEA

KW - SOUTHERN ENGLAND

KW - EASTERN ENGLAND

KW - QUATERNARY UPLIFT

KW - MASS-SPECTROMETRY

KW - DEPOSITS

KW - RIVER

KW - CARBONATE

KW - SEDIMENTS

KW - NORFOLK

UR - http://www.scopus.com/inward/record.url?scp=71749088744&partnerID=8YFLogxK

U2 - 10.1016/j.pgeola.2009.04.001

DO - 10.1016/j.pgeola.2009.04.001

M3 - Article

VL - 120

SP - 183

EP - 198

JO - Proceedings of the Geologists' Association

T2 - Proceedings of the Geologists' Association

JF - Proceedings of the Geologists' Association

SN - 0016-7878

IS - 4

ER -

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ID: 2085237