The Global Standard Stratotype-section and Point (GSSP) for the base of the Eocene Series in the Dababiya section (Egypt)

Aubry, Marie‐Pierre; Ouda, Khaled; Dupuis, Christian; Berggren, William A.; Couvering, John A. Van; Ali, Jason R.; Brinkhuis, Henk; Gingerich, Philip. R.; Heilmann‐Clausen, Claus; Hooker, J. J.; Kent, Dennis V.; King, Chris; Knox, R. W. O’B.; Laga, Peter; Molina, Eustoquio; Schmitz, Birger; Steurbaut, Étienne; Ward, D. R.

doi:10.18814/epiiugs/2007/v30i4/003

Cited by 216 publications

(123 citation statements)

References 77 publications

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“…We apply the term Marlboro Clay to refer to the gray clay unit in the New Jersey sections. The Marlboro Clay is identified by a ∼4‰ decrease in δ 13 C that marked the CIE and Paleocene Eocene Thermal Maximum (PETM) near the base [e.g., Cramer et al , 1999; Zachos et al , 2006; John et al , 2008], thus identifying it as a lower Eocene formation [ Aubry et al , 2000, 2007].…”

Section: Methodsmentioning

confidence: 99%

Integrated stratigraphic studies of Paleocene-lowermost Eocene sequences, New Jersey Coastal Plain: Evidence for glacioeustatic control

et al. 2010

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[1] We describe seven Paleocene to lowermost Eocene sequences in core holes at Island Beach, Bass River, Ancora, Millville, and Sea Girt, NJ (Ocean Drilling Program Leg 150X, 174AX) and analyze benthic foraminiferal assemblages to assess paleodepth changes within sequences. These sequences are referred to as Pa0, Pa1a, Pa1b, Pa2a, Pa2b, Pa3a, and Pa3b. Paleocene sequence boundaries are identified by unconformities and variations in benthic foraminiferal biofacies. We used Q-mode factor analysis and paleoslope modeling to identify three distinct middle-outer neritic benthic foraminiferal assemblages and their associated water depths. Paleodepths during the early Paleocene and deposition of Pa0, Pa1a, and Pa2b were ∼80 m with ∼20 m changes across sequence boundaries. A long-term shallowing occurred through the late Paleocene where paleodepths were ∼50-70 m in Pa3a. This trend drastically changes in the earliest Eocene where the paleodepths of sequence Pa3b were ∼120-150 m. New Jersey Paleocene sequence boundaries correlate with those in other regions and with d18 O increases in the deep sea, suggesting Paleocene eustatic lowerings were associated with ice-growth events.

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Section: Methodsmentioning

confidence: 99%

Integrated stratigraphic studies of Paleocene-lowermost Eocene sequences, New Jersey Coastal Plain: Evidence for glacioeustatic control

et al. 2010

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“…The GSSP of the Ypresian Stage was ratified in 2003 (Aubry et al . ) and is located at the base of ‘Bed 1 of of the Esna Formation’ at the Dababyia Quarry section, in coincidence with the onset of the negative carbon isotope excursion (CIE) marking the base of the Palaeocene–Eocene Thermal Maximum (PETM). Recently, Khozyem et al .…”

Section: Overview Of Cenozoic Calcareous Nannofossil Biostratigraphymentioning

confidence: 98%

Calcareous nannofossil biostratigraphy: historical background and application in Cenozoic chronostratigraphy

Agnini

Monechi

Raffi

2017

LET

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Calcareous nannofossils are considered one of the most powerful biostratigraphical tool in marine carbonate sediments especially in open ocean settings. Their origination goes at least as far back as the Triassic (ca. 220 Ma) when they first biomineralized and produced calcite skeletons. Since then, they have evolved rapidly showing widespread biogeographical distributions. Starting from the 1950s, changes in calcareous nannofossil assemblages have been used to date rocks and sediments and a fundamental step was achieved two decades later with the publication of the first comprehensive biostratigraphical schemes. Standardized quantitative counting methods, unambiguous taxonomy as well as highly resolved data sets provide high-quality biostratigraphical datums which, in turn, result in the precise positioning of calcareous nannofossil biohorizons and in the construction of reliable biostratigraphical frameworks. Here, we use recently published Cenozoic biozonations as a framework to present an overview of the calcareous nannofossil biohorizons which are used in chronostratigraphy to denote Cenozoic Global Standard Stratotype-section and Point

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“…It requires biostratigraphic study of the deeper, unexposed part and carbon isotopic analysis of the complete section in order to explore the possibility of obtaining the characteristic isotopic signatures of Palaeocene-Eocene boundary. The base of the Eocene is now defined at the onset of the Carbon Isotopic Excursion (CIE) in GSSP at Debabiya Quarry section of Egypt (Aubry et al 2007). It is also demonstrated that the Ilerdian Stage, marked by the first appearance of N. fraasi, is coeval with the onset of CIE and the Palaeocene -Eocene boundary (Pujalte et al 2009).…”

Section: The Age Of Vastan Lignitementioning

confidence: 99%

Age of the Vastan lignite in context of some oldest cenozoic fossil mammals from India

Punekar

Saraswati

2010

J Geol Soc India

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A highly diverse assemblage of mammal and other continental vertebrate fossils is reported in recent years from Vastan lignite mine (21 o 25'47" N; 73 o 07'30" E). Its importance in testing palaeobiogeographic hypothesis of mammalian dispersal in to or out of India has necessitated a definite age of the sequence. Nummulites burdigalensis is the only age diagnostic foraminifer in the section. This species is widespread in the Indian sedimentary basins and used to mark Early Eocene strata. In the present study two subspecies of Nummulites burdigalensis, viz., Nummulites burdigalensis burdigalensis and Nummulites burdigalensis kuepperi, are distinguished which led to further biostratigraphic refinement. Their concurrence in the section implies basal Cuisian age and shallow benthic zone SBZ 10 (most likely the lower part). The examination of this species from Kutch indicates the occurrence of evolutionarily advanced subspecies Nummulites burdigalensis cantabricus of middle Cuisian age (SBZ 11). Contrary to some recent reports, the study rules out the occurrence of N. globulus or any other Ilerdian foraminifer from the mine section.

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The Global Standard Stratotype-section and Point (GSSP) for the base of the Eocene Series in the Dababiya section (Egypt)

Cited by 216 publications

References 77 publications

Integrated stratigraphic studies of Paleocene-lowermost Eocene sequences, New Jersey Coastal Plain: Evidence for glacioeustatic control

Integrated stratigraphic studies of Paleocene-lowermost Eocene sequences, New Jersey Coastal Plain: Evidence for glacioeustatic control

Calcareous nannofossil biostratigraphy: historical background and application in Cenozoic chronostratigraphy

Age of the Vastan lignite in context of some oldest cenozoic fossil mammals from India

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