Geology of the country around Great Yarmouth. Memoir for 1:50 000 geological sheet 162 (England and Wales)

Arthurton, Russell S.; Booth, Steven; Morigi, A.N.; Abbott, Martin; Wood, C.J.

doi:10.1016/0148-9062(94)90019-1

Cited by 19 publications

(35 citation statements)

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“…S1, 122-130 http://dx.doi.org/10.1080/17445647.2016 contour plot of the buried valley system existing within the Great Yarmouth and larger Broadland area but provided little detailed morphological information. The geology of the Great Yarmouth coast comprises Holocene sand and subordinate gravel of the North Denes Formation (Table 1) resting unconformably upon estuarine clays, silts, peats and sands of the Breydon Formation (Arthurton et al, 1994). The Holocene deposits are variably underlain by Late Pleistocene gravels and sand of the Yare Valley Formation or River Terrace Deposits which, in turn, rest upon late Pliocene to early Pleistocene shallow marine sediments of the Crag Group.…”

Section: Geomorphological and Geological Settingmentioning

confidence: 99%

“…A coastal barrier is reported to have existed in the location of the Great Yarmouth spit since approximately 2000 yBP (Arthurton et al, 1994). The barrier has taken numerous forms throughout its existence, from an offshore sandbank to a coastal spit.…”

Section: Geomorphological and Geological Settingmentioning

confidence: 99%

“…Engineering works for the cutting of the current river mouth undertaken between 1559 and 1567 truncated the current spit, which originally extended as far south as Lowestoft [NGR 655578 293724] (Manship, 1845). Arthurton et al (1994) presented a small-scale British Geological Survey © NERC 2016. All rights reserved.…”

Section: Geomorphological and Geological Settingmentioning

confidence: 99%

“…The resulting map, presented here at a scale of 1:15,000, reveals the major morphological features existing in the Great Yarmouth area during the early Holocene and updates a lower resolution contour plot of the area by Arthurton, Booth, Morigi, Abbott, and Wood (1994). This data could provide a baseline for reconstruction of palaeocoastlines, calculation of Holocene sediment volumes (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Early Holocene geomorphology of the Great Yarmouth area, Norfolk, UK

2016

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A 1:15,000 scale map of the early Holocene geomorphology of the Great Yarmouth area, covering 33 km 2 between National Grid Reference (NGR) 651022, 312244 (northwest corner) and NGR 654523, 303498 (southeast corner) is presented. This was interpolated from elevations for early Holocene deposits derived from 467 borehole records and 539 constraining points extracted from British Geological Survey mapping. The depth to the base of the Holocene sequence ranges from −30.46 mOD to +7.61 mOD. Key morphological features identified include: a 5 km wide trough trending west-east throughout the area; isolated peaks of pre-Holocene sediment reaching to −3 mOD within the centre of this trough and; a series of steep topographical lows. As well as providing a means of assessing palaeomorphology, reconstruction of the region's early Holocene topography can be used to inform research investigating the available sediment prism, palaeocoastline positions and possible responses to future climate change. ARTICLE HISTORY

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Section: Geomorphological and Geological Settingmentioning

confidence: 99%

Section: Geomorphological and Geological Settingmentioning

confidence: 99%

Section: Geomorphological and Geological Settingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Early Holocene geomorphology of the Great Yarmouth area, Norfolk, UK

2016

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“…The spatial relationships and age range of the groups is shown in Figure 1, whereas the characteristics, age and distribution of the groups are summarised in Table 1. Of these, the Crag Group (after Reid, 1890, Funnell and West 1977, Arthurton et al, 1994 and the British Coastal Deposits Group (McMillan et al, 2005), comprise marine and coastal deposits. The Dunwich Group (after Rose et al, 2002 and the Britannia Catchments Group comprise predominantly fluvial deposits.…”

Section: Groups and Subgroupsmentioning

confidence: 99%

A new Quaternary and Neogene Lithostratigraphical Framework for Great Britain and the Isle of Man

McMillan

Merritt

2012

Proceedings of the Geologists' Association

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This paper provides a synthesis of the recently published BGS report presenting a new Lithostratigraphical Framework of Quaternary and Neogene deposits for Great Britain and the Isle of Man . Available as a download from the BGS website, the report sets out a hierarchy of lithostratigraphic units for superficial deposits providing summary descriptions of lithological characteristics, boundaries, ranges in thickness, type sections and known geographical distribution. This paper describes the requirement, rationale and development of the onshore scheme, and discusses the philosophy behind its creation. It discusses unique problems in stratigraphy presented by superficial deposits and introduces a new lithostratigraphical subdivision of tills laid down during the last regional glaciation (Late Devensian/Weichselian/Wisconsin).

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Cryptic moulting behaviour of some Carboniferous Ostracoda

Olempska

Mundy²,

Zatoń

2023

Papers in Palaeontology

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Monospecific accumulations of ostracods, represented by spine‐bearing Janischewskya? sp. and a smooth‐shelled Cavellina? sp., were detected inside the body chamber, siphuncle and camerae of three cephalopod specimens (a nautiloid and two goniatites) from the Carboniferous (Mississippian) Cracoean reefs of North Yorkshire, UK. The ostracods occur as isolated valves packed together and are well‐preserved, with delicate spines of Janischewskya? sp. still intact on numerous specimens. Such a mode of ostracod preservation inside the cephalopod conchs and their paucity in the surrounding matrix outside the shells indicate that the valves were not concentrated due to sedimentary processes. Rather, the ostracods deliberately entered the empty cephalopod shells in order to seek sheltered habitats for moulting. In the case of the smooth‐shelled Cavellina? sp., the ostracod valves preserved inside a camera of the nautiloid have similar size, indicating that a synchronized mass moulting took place in this species. Additionally, the presence of putative eggs closely associated with the spine‐bearing Janischewskya? sp. valves inside a siphuncle of the nautiloid shows that the empty conchs could have also served as safe places for egg deposition. The present finds are thus the first examples of cryptic moulting behaviour in ostracods. They also imply that such behaviour in this group of arthropods has a long evolutionary history, at least since the Carboniferous, and potentially may persist in present day ostracods.

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Geology of the country around Great Yarmouth. Memoir for 1:50 000 geological sheet 162 (England and Wales)

Cited by 19 publications

References 0 publications

Early Holocene geomorphology of the Great Yarmouth area, Norfolk, UK

Early Holocene geomorphology of the Great Yarmouth area, Norfolk, UK

A new Quaternary and Neogene Lithostratigraphical Framework for Great Britain and the Isle of Man

Cryptic moulting behaviour of some Carboniferous Ostracoda

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