Skip to content
Back to outputs

A brief warming event in the late Albian: evidence from calcareous nannofossils, macrofossils, and isotope geochemistry of the Gault Clay Formation, Folkestone, southeastern England

Research output: Contribution to journalArticlepeer-review

Standard

A brief warming event in the late Albian: evidence from calcareous nannofossils, macrofossils, and isotope geochemistry of the Gault Clay Formation, Folkestone, southeastern England. / Kanungo, Sudeep; Bown, Paul R.; Young, Jeremy R.; Gale, Andrew S.

In: Journal of Micropalaeontology, Vol. 37, No. 1, 30.01.2018, p. 231-247.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Author

Bibtex

@article{5839a0e1c3194fd98a9bbb3321447683,
title = "A brief warming event in the late Albian: evidence from calcareous nannofossils, macrofossils, and isotope geochemistry of the Gault Clay Formation, Folkestone, southeastern England",
abstract = "This paper documents a warming event across the middle–upper Albian interval in a ∼ 22 m long section from the Gault Clay Formation of Copt Point, Folkestone (UK). Evidence for the event comes from three independent datasets: calcareous nannofossils, ammonites, and the bulk sediment carbon and oxygen stable isotope record, which collectively indicate a brief period (∼ 500 kyr) of significant surface water warming (in excess of 6 °C) at around 107.5 Ma (the base of the Dipoloceras cristatum Ammonite Zone). A surface water productivity increase based on high percentages of the eutrophic nannofossil Zeugrhabdotus noeliae is found to be concomitant with this warming event, suggesting that surface waters were nutrient-rich and the warming was associated with increased precipitation and run-off, delivering more nutrients into the basin.",
author = "Sudeep Kanungo and Bown, {Paul R.} and Young, {Jeremy R.} and Gale, {Andrew S.}",
year = "2018",
month = jan,
day = "30",
doi = "10.5194/jm-37-231-2018",
language = "English",
volume = "37",
pages = "231--247",
journal = "Journal of Micropalaeontology",
issn = "0262-821X",
publisher = "Geological Society of London",
number = "1",

}

RIS

TY - JOUR

T1 - A brief warming event in the late Albian: evidence from calcareous nannofossils, macrofossils, and isotope geochemistry of the Gault Clay Formation, Folkestone, southeastern England

AU - Kanungo, Sudeep

AU - Bown, Paul R.

AU - Young, Jeremy R.

AU - Gale, Andrew S.

PY - 2018/1/30

Y1 - 2018/1/30

N2 - This paper documents a warming event across the middle–upper Albian interval in a ∼ 22 m long section from the Gault Clay Formation of Copt Point, Folkestone (UK). Evidence for the event comes from three independent datasets: calcareous nannofossils, ammonites, and the bulk sediment carbon and oxygen stable isotope record, which collectively indicate a brief period (∼ 500 kyr) of significant surface water warming (in excess of 6 °C) at around 107.5 Ma (the base of the Dipoloceras cristatum Ammonite Zone). A surface water productivity increase based on high percentages of the eutrophic nannofossil Zeugrhabdotus noeliae is found to be concomitant with this warming event, suggesting that surface waters were nutrient-rich and the warming was associated with increased precipitation and run-off, delivering more nutrients into the basin.

AB - This paper documents a warming event across the middle–upper Albian interval in a ∼ 22 m long section from the Gault Clay Formation of Copt Point, Folkestone (UK). Evidence for the event comes from three independent datasets: calcareous nannofossils, ammonites, and the bulk sediment carbon and oxygen stable isotope record, which collectively indicate a brief period (∼ 500 kyr) of significant surface water warming (in excess of 6 °C) at around 107.5 Ma (the base of the Dipoloceras cristatum Ammonite Zone). A surface water productivity increase based on high percentages of the eutrophic nannofossil Zeugrhabdotus noeliae is found to be concomitant with this warming event, suggesting that surface waters were nutrient-rich and the warming was associated with increased precipitation and run-off, delivering more nutrients into the basin.

U2 - 10.5194/jm-37-231-2018

DO - 10.5194/jm-37-231-2018

M3 - Article

VL - 37

SP - 231

EP - 247

JO - Journal of Micropalaeontology

JF - Journal of Micropalaeontology

SN - 0262-821X

IS - 1

ER -

ID: 8754524