On the Marine Gravels at March, Cambridgeshire

Baden-Powell, D. F. W.

doi:10.1017/s0016756800093146

Cited by 28 publications

(25 citation statements)

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“…To such a late, paradoxically cool transgression we might attribute such well known or much studied deposits as: -The March gravels (Baden-Powell 1934); with shells suggesting a sea level approximately 10 m above O.D. but temperatures a few "C lower than today's.…”

mentioning

confidence: 99%

Thames interglacial sites, Ipswichian sea levels and Antarctic ice surges

Hollin

1977

Boreas

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Hollin, J. T. 1977 03 01: Thames interglacial sites, Ipswichian sea levels and Antarctic ice surges. Boreas, Vol. 6, pp. 33-52. Oslo. ISSN 0300-9483.New and old, pollen and other studies are summarized for seven sites in the Thames estuary, all of them most probably of last (Ipswichian) interglacial age. Early in the interglacial, at Crayford, Little Thurrock, and Purfleet, there was an aggradation of laminated (3 mm/pair) 'brickearth' (clay, with silt and sand), to above f l l m O.D. Observations in modern estuaries suggest that the laminations were of tidal origin, and related to a sea stand at +7 m, represented on the coast by e.g. the raised cliff at Brighton. In the middle of the Ipswichian, freshwater fossils at West Thurrock and Wretton (Norfolk) suggest that the sea fell below 0 m. Late in the Ipswichian, arguably at the break of climate, at Crayford, Ilford, Aveley, West Thurrock, Stutton (Suffolk) and probably Little Thurrock, there was an aggradation of massive brickearth (famous for its mammal remains) grading up into sand, to above $14 m. The possibility is discussed that this second aggradation reflects a second rise of sea level, to $16 m, represented by e.g. the raised beach at Portland, and caused by an Antarctic 'surge'. According to A. T. Wilson, this surge triggered the last (Devensian) ice age.

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confidence: 99%

Thames interglacial sites, Ipswichian sea levels and Antarctic ice surges

Hollin

1977

Boreas

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“…), in the Mepal depression (to a height of −0.5 O.D.) and at March, the ‘type site’ of the March Gravels [ 113 ] (to a height of 5 m O.D.). There are Devensian solifluction sediments and Devensian late-glacial organic deposits in the Mepal depression which demonstrate a complex history of the former valley of the River Great Ouse, which resulted in the diversion of the river westwards of Chatteris in the later Devensian [ 83 ], as described above.…”

Section: Gravel Spreads In the Area Of The Tottenhill Glaciationmentioning

confidence: 99%

Pleistocene glaciation of Fenland, England, and its implications for evolution of the region

Gibbard

West²,

Hughes

2018

R. Soc. open sci.

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Detailed investigation of landforms and their underlying deposits on the eastern margin of Fenland, East Anglia, demonstrated that they represent a series of glaciofluvial delta-fan and related sediments. Associated with these deposits are glacially dislocated sediments including tills, meltwater and pre-existing fluvial sediments. These ‘Skertchly Line’ deposits occur in the context of a substantial ice lobe that entered Fenland from the N to NE, dammed the streams entering the basin and caused glacial lakes to form in the valleys on the margins. Bulldozing by the ice lobe caused a series of ice-pushed ridges to form at the dynamic margin, especially at the ice maximum and during its retreat phases. Meltwater formed a series of marginal fans that coalesced into marginal accumulations in the SE of the basin. The ice lobe is named the Tottenhill glaciation. Further investigations of the Fenland margin have revealed the extent of the Tottenhill glaciation in the Fenland Basin, to the south and west, in sufficient detail to demonstrate the nature of the Tottenhill ice lobe and the landscape left on deglaciation. The ice lobe is likely to have been prone to surging. This is indicated by the low gradient of the ice lobe, the presence of underlying ductile Mesozoic clays, the evidence of ice-marginal flooding and the presence of arcuate glaciotectonic push moraines. Regional correlation, supported by independent numerical geochronology, indicates that the glaciation occurred ca 160 ka, i.e. during the late Middle Pleistocene, Marine Isotope Stage (MIS) 6, the Wolstonian Stage. Comparison and correlation across the southern North Sea Basin confirms that the glaciation is the equivalent of that during the Late Saalian Drenthe Stadial in The Netherlands. The implications of this correlation are presented. Before the glaciation occurred, the Fenland Basin did not exist. It appears to have been initiated by a subglacial tunnel valley system beneath the Anglian (=Elsterian, MIS 12) ice sheet. During the subsequent Hoxnian (=Holsteinian; approx. MIS 11) interglacial, the sea invaded the drainage system inherited following the glacial retreat. The evolution through the subsequent ca 200 ka Early to Middle Wolstonian substages, the interval between the Hoxnian (Holsteinian) temperate Stage and the Wolstonian glaciation, represents a period during which fluvial and periglacial activity modified the landscape under cold climates, and organic sediments were laid down during a warmer event. Palaeolithic humans were also periodically present during this interval, their artefacts having been reworked by the subsequent glaciation. The deglaciation was followed by re-establishment of the rivers associated with the deposition of Late Wolstonian (Warthe Stadial) gravels and sands, and later, deposits of the Ipswichian interglacial (=Eemian, approx. MIS 5e) including freshwater, then estuarine sediments. Subsequent evolution of the basin occurred during the Devensian Stage (=Weichselian, MIS 5d-2) under predominantly cold, periglacial con...

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“…Baden-Powell (1934) was specifically interested in this question in his paper on the March gravels in Cambridgeshire. He noted that smaller specimens of Corbicula from fluvial sediments near Cambridge, such as those from Barnwell, had a smaller height in proportion to their length than the smaller specimens from the 'marine bed at Manea ' (p. 207).…”

Section: Ecological and Palaeoclimatic Significancementioning

confidence: 99%

“…Gardner observed that English Pleistocene Corbicula specimens are comparable to C. consobrina, rather than to C. artini, but she was apparently familiar only with shells from the Cambridge area. Baden-Powell (1934) subsequently applied the name C. consobrina to English Pleistocene material in general.…”

Section: Introductionmentioning

confidence: 99%

A review of the occurrence of Corbicula in the Pleistocene of North-West Europe

Meijer

Preece

2000

Netherlands Journal of Geosciences

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Shells belonging to the bivalve genus Corbicula occur commonly in Pleistocene interglacial deposits in NW Europe. These have usually been identified as C.fluminalis, a modern species described from the Euphrates river, although the veracity of this specific attribution remains equivocal. Corbicula has nowadays a southern distribution, and laboratory studies indicate that it is thermophilous. It is also tolerant of brackish water, one of several attributes that make this an effective colonizer.In NW Europe, Corbicula is known from the Lower Pleistocene but is absent from the Cromerian Complex, occuring again in the three interglacials following the Anglian/Elsterian. It appears to be unknown from the last interglacial, except as derived fossils.

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On the Marine Gravels at March, Cambridgeshire

Cited by 28 publications

References 2 publications

Thames interglacial sites, Ipswichian sea levels and Antarctic ice surges

Thames interglacial sites, Ipswichian sea levels and Antarctic ice surges

Pleistocene glaciation of Fenland, England, and its implications for evolution of the region

A review of the occurrence of Corbicula in the Pleistocene of North-West Europe

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