Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea
Offshore stratigraphic records from the North Sea contain information to reconstruct palaeo‐ice‐sheet extent and understand sedimentary processes and landscape response to Pleistocene glacial–interglacial cycles. We document three major Middle to Late Pleistocene stratigraphic packages over a 401‐km...
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ftleedsuniv:oai:eprints.whiterose.ac.uk:162071 2023-05-15T16:41:04+02:00 Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea Eaton, SJ Hodgson, DM Barlow, NLM Mortimer, EEJ Mellett, CL 2020-08 text https://eprints.whiterose.ac.uk/162071/ https://eprints.whiterose.ac.uk/162071/8/jqs.3230.pdf en eng Wiley https://eprints.whiterose.ac.uk/162071/8/jqs.3230.pdf Eaton, SJ, Hodgson, DM orcid.org/0000-0003-3711-635X , Barlow, NLM orcid.org/0000-0002-2713-2543 et al. (2 more authors) (2020) Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea. Journal of Quaternary Science, 35 (6). pp. 760-775. ISSN 0267-8179 cc_by_4 CC-BY Article NonPeerReviewed 2020 ftleedsuniv 2023-01-30T22:30:31Z Offshore stratigraphic records from the North Sea contain information to reconstruct palaeo‐ice‐sheet extent and understand sedimentary processes and landscape response to Pleistocene glacial–interglacial cycles. We document three major Middle to Late Pleistocene stratigraphic packages over a 401‐km2 area (Norfolk Vanguard/Boreas Offshore Wind Farm), offshore East Anglia, UK, through the integration of 2D seismic, borehole and cone penetration test data. The lowermost unit is predominantly fluviatile [Yarmouth Roads Formation, Marine Isotope Stage (MIS) 19–13], including three northward‐draining valleys. The middle unit (Swarte Bank Formation) records the southernmost extent of tunnel valley‐fills in this area of the North Sea, providing evidence for subglacial conditions most likely during the Anglian stage (MIS 12) glaciation. The Yarmouth Roads and Swarte Bank deposits are truncated and overlain by low‐energy estuarine silts and clays (Brown Bank Formation; MIS 5d–4). Smaller scale features, including dune‐scale bedforms, and abrupt changes in cone penetration test parameters, provide evidence for episodic changes in relative sea level within MIS 5. The landscape evolution recorded in deposits of ~MIS 19–5 are strongly related to glacial–interglacial cycles, although a distinctive aspect of this low‐relief ice‐marginal setting are opposing sediment transport directions under contrasting sedimentary process regimes. Article in Journal/Newspaper Ice Sheet White Rose Research Online (Universities of Leeds, Sheffield & York) Boreas ENVELOPE(-3.933,-3.933,-71.300,-71.300) |
institution |
Open Polar |
collection |
White Rose Research Online (Universities of Leeds, Sheffield & York) |
op_collection_id |
ftleedsuniv |
language |
English |
description |
Offshore stratigraphic records from the North Sea contain information to reconstruct palaeo‐ice‐sheet extent and understand sedimentary processes and landscape response to Pleistocene glacial–interglacial cycles. We document three major Middle to Late Pleistocene stratigraphic packages over a 401‐km2 area (Norfolk Vanguard/Boreas Offshore Wind Farm), offshore East Anglia, UK, through the integration of 2D seismic, borehole and cone penetration test data. The lowermost unit is predominantly fluviatile [Yarmouth Roads Formation, Marine Isotope Stage (MIS) 19–13], including three northward‐draining valleys. The middle unit (Swarte Bank Formation) records the southernmost extent of tunnel valley‐fills in this area of the North Sea, providing evidence for subglacial conditions most likely during the Anglian stage (MIS 12) glaciation. The Yarmouth Roads and Swarte Bank deposits are truncated and overlain by low‐energy estuarine silts and clays (Brown Bank Formation; MIS 5d–4). Smaller scale features, including dune‐scale bedforms, and abrupt changes in cone penetration test parameters, provide evidence for episodic changes in relative sea level within MIS 5. The landscape evolution recorded in deposits of ~MIS 19–5 are strongly related to glacial–interglacial cycles, although a distinctive aspect of this low‐relief ice‐marginal setting are opposing sediment transport directions under contrasting sedimentary process regimes. |
format |
Article in Journal/Newspaper |
author |
Eaton, SJ Hodgson, DM Barlow, NLM Mortimer, EEJ Mellett, CL |
spellingShingle |
Eaton, SJ Hodgson, DM Barlow, NLM Mortimer, EEJ Mellett, CL Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea |
author_facet |
Eaton, SJ Hodgson, DM Barlow, NLM Mortimer, EEJ Mellett, CL |
author_sort |
Eaton, SJ |
title |
Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea |
title_short |
Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea |
title_full |
Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea |
title_fullStr |
Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea |
title_full_unstemmed |
Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea |
title_sort |
palaeogeographical changes in response to glacial–interglacial cycles, as recorded in middle and late pleistocene seismic stratigraphy, southern north sea |
publisher |
Wiley |
publishDate |
2020 |
url |
https://eprints.whiterose.ac.uk/162071/ https://eprints.whiterose.ac.uk/162071/8/jqs.3230.pdf |
long_lat |
ENVELOPE(-3.933,-3.933,-71.300,-71.300) |
geographic |
Boreas |
geographic_facet |
Boreas |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_relation |
https://eprints.whiterose.ac.uk/162071/8/jqs.3230.pdf Eaton, SJ, Hodgson, DM orcid.org/0000-0003-3711-635X , Barlow, NLM orcid.org/0000-0002-2713-2543 et al. (2 more authors) (2020) Palaeogeographical changes in response to glacial–interglacial cycles, as recorded in Middle and Late Pleistocene seismic stratigraphy, southern North Sea. Journal of Quaternary Science, 35 (6). pp. 760-775. ISSN 0267-8179 |
op_rights |
cc_by_4 |
op_rightsnorm |
CC-BY |
_version_ |
1766031496925151232 |