Upper Middle Eocene to Oligocene Dinoflagellate Biostratigraphy and Assemblage Variations in Hole 913B, Greenland Sea

Firth, J.V.

doi:10.2973/odp.proc.sr.151.105.1996

Cited by 28 publications

(22 citation statements)

References 25 publications

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“…John 2008;Stickley et al 2009;Suto et al 2009) and of the Norwegian-Greenland Sea (N -G Sea; e.g. Manum 1976;Müller 1976;Schrader & Fenner 1976;Goll 1989;Manum et al 1989;Firth 1996;Poulsen et al 1996;Williams & Manum 1999;Eldrett et al 2004Eldrett et al , 2007Brinkhuis et al 2006) to Palaeogene carbonate-rich sediments of the North Atlantic Ocean (e.g. DSDP Legs 12,41,43,47,48,49,80,82,93,95;ODP Legs 101,149,154,171B,207).…”

Section: Site 647 Microfossils and Existing Chronologymentioning

confidence: 99%

Integrated biomagnetochronology for the Palaeogene of ODP Hole 647A: implications for correlating palaeoceanographic events from high to low latitudes

Firth

Eldrett

Harding

et al. 2012

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Lower Eocene to Oligocene microfossil-rich hemipelagic sediments in ODP Hole 647A, southern Labrador Sea, provide a strategic section for resolving the early history of high North Atlantic climates and ocean circulation, and for correlating with carbonate-poor lower Cenozoic sediments in the Arctic and Nordic seas. Our new, integrated palaeomagneto-and multigroup biostratigraphy (63 dinoflagellate cyst, calcareous nannofossil, planktonic foraminifer and diatom datums) significantly improves Site 647 chronostratigraphy and provides a framework for future studies. This new age model, coupled with provisional d 18 O analyses, provides greater confidence in the location of significant ocean-climate events at this site, including the Eocene-Oligocene transition and the Middle Eocene Climatic Optimum. Early Eocene hyperthermals may also be present near the base of the section. Palaeomagnetic age control is significantly improved in the Eocene, but not in the Oligocene. Revised estimates of sedimentation and biogenic flux indicate changes in supply and preservation that may be climatically controlled. A Lower to Middle Eocene hiatus is more precisely constrained, with a c. 4 million year duration. Age and depth errors quantify the age uncertainties throughout the section. Our revised age model will play an important role in stratigraphic correlation between very high latitude and lower latitude sites. Supplementary material: All tables with ages and age-derived calculations based on the Gradstein et al. (2004) timescale used herein are reproduced as supplementary tables using both the Gradstein et al. (2004) and the Cande & Kent (1995) timescales (Tables DS1-DS6). Discrete sample and shipboard pass-through cryomagnetometer palaeomagnetic data, planktonic foraminifer and fine fraction (,20 mm) stable isotope data, raw and processed core GRA density data, and specifications and results of GRA density spectral analyses are also provided as supplementary tables (Tables DS7-DS11). These tables are available at www.geolsoc.org.uk/SUP18546. Downloaded from J. V. FIRTH ET AL. J. V. FIRTH ET AL. J. V. FIRTH ET AL. } HO Nannotetrina spp.; LO of D. hesslandii (equivalent to R. bisecta). 1 HO Nannotetrina fulgens. 2 LO R. bisecta between top and base of C18r.

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Section: Site 647 Microfossils and Existing Chronologymentioning

confidence: 99%

Integrated biomagnetochronology for the Palaeogene of ODP Hole 647A: implications for correlating palaeoceanographic events from high to low latitudes

Firth

Eldrett

Harding

et al. 2012

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“…It is therefore likely that the onset of the nannofossil ooze is synchronous among Sites 1170-1172. Brinkhuis et al, 1992, Brinkhuis, 1994Firth, 1996;Stover et al, 1996) suggests that Deflandrea and Phthanoperidinium spp. represent marginal marine heterotrophic dinoflagellates closely tied to ancient deltaic settings and organic-rich facies.…”

Section: A Sluijs Et Al Eocene-oligocene Dinoflagellate Cysts 13mentioning

confidence: 99%

“…1983; Mao and Mohr, 1995;Firth, 1996). In this association, typically Vozzhenikovia and Spinidinium (S. macmurdoense) spp.…”

Section: A Sluijs Et Al Eocene-oligocene Dinoflagellate Cysts 14mentioning

confidence: 99%

Dinoflagellate Cysts from the Eocene–Oligocene Transition in the Southern Ocean: Results from ODP Leg 189

Sluijs¹,

Brinkhuis²,

Stickley³

et al. 2003

Proceedings of the Ocean Drilling Program

118

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“…Crouch, 2001 Table T4). However, some typical Eocene Southern Hemisphere taxa like Arachnodinium antarcticum and Enneadocysta partridgei have an LO at the early/late Oligocene boundary in this area according to Hannah and Raine (1997) Firth, 1996).…”

Section: H Brinkhuis Et Al Site 1172 Dinoflagellate Cystsmentioning

confidence: 98%

Latest Cretaceous–Earliest Oligocene and Quaternary Dinoflagellate Cysts, ODP Site 1172, East Tasman Plateau

Brinkhuis¹,

Sengers²,

Sluijs³

et al. 2003

Proceedings of the Ocean Drilling Program

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Upper Middle Eocene to Oligocene Dinoflagellate Biostratigraphy and Assemblage Variations in Hole 913B, Greenland Sea

Cited by 28 publications

References 25 publications

Integrated biomagnetochronology for the Palaeogene of ODP Hole 647A: implications for correlating palaeoceanographic events from high to low latitudes

Integrated biomagnetochronology for the Palaeogene of ODP Hole 647A: implications for correlating palaeoceanographic events from high to low latitudes

Dinoflagellate Cysts from the Eocene–Oligocene Transition in the Southern Ocean: Results from ODP Leg 189

Latest Cretaceous–Earliest Oligocene and Quaternary Dinoflagellate Cysts, ODP Site 1172, East Tasman Plateau

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