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GEOREF RECORD

Lower Pleistocene dinoflagellate cyst, foraminiferal and pollen assemblages in four boreholes in the southern North Sea

T. D. J. Cameron, A. P. Bonny, D. M. Gregory and R. Harland
Lower Pleistocene dinoflagellate cyst, foraminiferal and pollen assemblages in four boreholes in the southern North Sea
Geological Magazine (March 1984) 121 (2): 85-97

Abstract

Neogene and lower Pleistocene stratigraphy in the southern North Sea has been investigated in four I.G.S. boreholes. The foraminifera of the Red Crag Formation in Borehole 81/51 are closely similar to upper Pliocene assemblages in Holland. The overlying succession is clearly punctuated by unconformities in seismic profiles, separating four early Pleistocene formations in the boreholes, and indicating intervals of significant stratigraphic hiatus offshore. The Westkapelle Ground and Smith's Knoll formations correlate with Thurnian and Antian Stage deposits in East Anglia. Pollen spectra in the Winterton Shoal and Yarmouth Roads formations are similar to Baventian and Bramertonian assemblages in Britain. The dinoflagellate cysts and foraminifera indicate that each formation was deposited in a warm temperate neritic environment. The pollen record, containing evidence of fluctuation between boreal and mixed coniferous-deciduous regional forest cover, suggests alternation between cool and warm temperate palaeoclimate.--Modified journal abstract.


ISSN: 0016-7568
EISSN: 1469-5081
Coden: GEMGA4
Serial Title: Geological Magazine
Serial Volume: 121
Serial Issue: 2
Title: Lower Pleistocene dinoflagellate cyst, foraminiferal and pollen assemblages in four boreholes in the southern North Sea
Affiliation: Inst. Geol. Sci., Keyworth, United Kingdom
Pages: 85-97
Published: 198403
Text Language: English
Publisher: Cambridge University Press, London, United Kingdom
References: 30
Accession Number: 1984-046911
Categories: Quaternary geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. strat. cols., geol. sketch map
N52°00'00" - N53°00'00", E02°00'00" - E03°19'60"
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 1984
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