Pre-Anglian fluvial and Anglian glaciogenic sediments, Knettishall, Suffolk, England

Lewis, Simon G.; Rose, James; Davies, Hilary

doi:10.1016/s0016-7878(99)80003-0

Cited by 15 publications

(23 citation statements)

References 27 publications

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“…There is evidence of glaciomarine conditions in the North Sea Basin during MIS 6 or 8 in the Fisher Formation (Gatliff et al, 1994), and other workers have suggested evidence of glaciation in the North Sea during MIS 8 (Beets et al, 2005). There is widespread evidence of large-scale lowland glaciation in Britain during MIS 12 (Lunkka, 1994;Lewis et al, 1999;Fish and Whiteman, 2001;Lee et al, 2006), and if the Ash Gill Member was deposited during MIS 12, it could easily have occurred during an early phase and later been overridden by advancing ice sheets.…”

Section: Wider Implications For Northwest European Ice Sheet Historymentioning

confidence: 98%

Timing and depositional environments of a Middle Pleistocene glaciation of northeast England: New evidence from Warren House Gill, County Durham

Davies

Roberts

Bridgland

et al. 2012

Quaternary Science Reviews

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At various times during the Quaternary, north-eastern England was a zone of confluence between dynamic ice lobes sourced from the Pennines, northern Scotland, the Cheviots, and Scandinavia. The region thus has some of the most complex exposures of Middle to Late Pleistocene sediments in Britain, with both interglacial and glacial sediments deposited in terrestrial and marine settings. We investigated sedimentary sequences exposed on the coastline of County Durham at Warren House Gill, and present a new model of British and Fennoscandian Ice Sheet interaction in the North Sea Basin during the Middle Pleistocene.The stratigraphy at Warren House Gill consists of a lower diamicton and upper estuarine sediments, both part of the Warren House Formation. They are separated from the overlying Weichselian Blackhall and Horden tills by a substantial unconformity. The lower diamicton of the Warren House Formation is re-interpreted here as an MIS 8 to 12 glaciomarine deposit containing ice-rafted lithics from north-eastern Scotland and the northeast North Sea, and is renamed the 'Ash Gill Member'. It is dated by lithological comparison to the Easington Raised Beach, Middle Pleistocene Amino Acid Racemisation values, and indirectly by optically stimulated luminescence. The overlying shallow subaqueous sediments were deposited in an estuarine environment by suspension settling and bottom current activity. They are named the 'Whitesides Member', and form the uppermost member of the Warren House Formation. During glaciation, ice-rafted material was deposited in a marine embayment. There is no evidence of a grounded, onshore Scandinavian ice sheet in County Durham during MIS 6, which has long been held as the accepted stratigraphy. This has major implications for the currently accepted British Quaternary Stratigraphy. Combined with recent work on the Middle Pleistocene North Sea Drift from Norfolk, which is now suggested to have been deposited by a Scottish ice sheet, the presence of a Scandinavian ice sheet in eastern England Quaternary Science Reviews 44 (2012), 180-212 2 at any time during the Quaternary is becoming increasingly doubtful.

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Section: Wider Implications For Northwest European Ice Sheet Historymentioning

confidence: 98%

Timing and depositional environments of a Middle Pleistocene glaciation of northeast England: New evidence from Warren House Gill, County Durham

Davies

Roberts

Bridgland

et al. 2012

Quaternary Science Reviews

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show abstract

“…With respect to the less abundant, but highly sensitive, indicator lithologies, there is an absence of rocks from Wales or southern England (except for one Greensand chert) and a persistent presence of igneous and metamorphic rocks typical of northern England, Scotland and Scandinavia. Likewise the percentage of opaque heavy minerals and the nonopaque heavy mineral assemblage is typical of Scandinavian sourced glaciogenic sediments (Table 5) (Perrin et al, 1979;Rose et al, 1992;Lewis et al, 1999). The presence in the lower part of the unit of diamicton clasts resembling Starston Till, which was deposited by a Scandinavian ice sheet (Mathers et al, 1987), reinforces the evidence for a Scandinavian provenance.…”

Section: Leet Hill Sands and Gravelsmentioning

confidence: 67%

“…Leet Hill is the type site for this deposit. The Corton Sands are fine sands that outcrop in northeast Norfolk and north Suffolk (Bridge and Hopson, 1985;Hopson and Bridge, 1987;Lewis et al, 1999). They formed as distal glaciofluvial outwash from the Scandinavian ice sheet.…”

Section: Location Local Topography and Geological Contextmentioning

confidence: 99%

“…1a) (Rose, 1987a(Rose, , 1994. Subsequently, the Thames shifted progressively eastwards and southeastwards in response to subsidence in the southern North Sea basin, and the Bytham river extended eastwards dissecting existing Thames river sediments in the process (Rose, 1987a(Rose, , 1994Rose and Wymer, 1994;Lewis, 1993;Lewis et al, 1999). This model does not identify the position of the contemporary coastline.…”

Section: Introductionmentioning

confidence: 99%

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Early and Middle Pleistocene river systems in eastern England: evidence from Leet Hill, southern Norfolk, England

et al. 1999

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“…However, geochemical data is unable to extend the ice flow path westwards beyond the western-most Jurassic outcrop. Other lithological data from the till including Carboniferous and Triassic palynomorphs (Lee, 2003;Riding, 2008) and Carboniferous erratics (Lewis et al, 1999;Lee et al, 2004) enable the till flow path to be extended westwards indicating a Pennine ice source. In north Norfolk, the northern extent of this ice advance from the west is characterised by an extensive glaciotectonic overprint, that has deformed part of the underlying glacigenic sediment pile, and deposited a lower-level westerly derived chalky till (Banham and Ranson, 1965;Ehlers et al, 1987;Lee and Phillips, 2008;Phillips et al, 2008).…”

Section: 'Lower Till Sheet'mentioning

confidence: 99%

Reconstructing flow paths of the Middle Pleistocene British Ice Sheet in central-eastern England: the application of regional soil geochemical data

Scheib

Lee

Breward

et al. 2011

Proceedings of the Geologists' Association

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Pre-Anglian fluvial and Anglian glaciogenic sediments, Knettishall, Suffolk, England

Cited by 15 publications

References 27 publications

Timing and depositional environments of a Middle Pleistocene glaciation of northeast England: New evidence from Warren House Gill, County Durham

Timing and depositional environments of a Middle Pleistocene glaciation of northeast England: New evidence from Warren House Gill, County Durham

Early and Middle Pleistocene river systems in eastern England: evidence from Leet Hill, southern Norfolk, England

Reconstructing flow paths of the Middle Pleistocene British Ice Sheet in central-eastern England: the application of regional soil geochemical data

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