Berggren, William A; Aubry, Marie-Pierre; van Fossen, M; Kent, Dennis V; Norris, Richard D; Quillévéré, Frédéric (2000): Integrated Paleocene calcareous plankton magnetobiochronology of DSDP Hole 43-384 in the Northwest Atlantic Ocean. PANGAEA, https://doi.org/10.1594/PANGAEA.704847, Supplement to: Berggren, WA et al. (2000): Integrated Paleocene calcareous plankton magnetobiochronology and stable isotope stratigraphy: DSDP Site 384 (NW Atlantic Ocean). Palaeogeography, Palaeoclimatology, Palaeoecology, 159(1-2), 1-51, https://doi.org/10.1016/S0031-0182(00)00031-6
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At Deep Sea Drilling Site 384 (J-Anomaly Ridge, Grand Banks Continental Rise, NW Atlantic Ocean) Paleocene nannofossil chalks and oozes (~70 m thick) are unconformably/disconformably underlain (~168 m; upper Maastrichtian) and overlain (~98.7 m; upper lower Eocene) by sediments of comparable lithologies. The chalks are more indurated in stratigraphically higher levels of the Paleocene reflecting increasing amounts of biosiliceous (radiolarians and diatoms) components. This site serves as an excellent location for an integrated calcareous and siliceous microfossil zonal stratigraphy and stable isotope stratigraphy. We report the results of a magnetostratigraphic study which, when incorporated with published magnetostratigraphic results, reveals an essentially complete magnetostratigraphic record spanning the interval from Magnetochron C31n (late Maastrichtian) to C25n (partim) (late Paleocene, Thanetian). Integrated magnetobiochronology and stable isotope stratigraphy support the interpretation of, and constrain the estimated duration of, a short hiatus (~0.9 my) within the younger part of Chron C29r (including the K/P boundary) and an ~6 my hiatus separating upper Paleocene (Magnetozone C25n) and upper lower Eocene (Magnetozone C22r) sediments. Some 30 planktonic foraminiferal datum levels [including the criteria used to denote the Paleocene planktonic foraminiferal (sub)tropical zonal scheme of Berggren and Miller, Micropaleontology 34 (4) (1988) 362-380 and Berggren et al., SEPM Spec. Publ. 54 (1995) 129-212, Geol. Soc. Am. Bull. 107 (11) (1995) 1272-1287], and nearly two dozen calcareous nannoplankton datum levels have been recognized and calibrated to the magnetochronology. Planktonic foraminiferal Subzones P4a and P4b of (upper Paleocene) Zone P4 are emended/redefined based on the discovery of a longer stratigraphic extension of Acarinina subsphaerica (into at last Magnetozone C25n). Stable isotope stratigraphies from benthic foraminifera and fine fraction (<38 µm) carbonate have been calibrated to the biochronology and magnetostratigraphy. A minimum in benthic foraminifer delta13C was reached near the Danian/Selandian boundary (within Chron C26r, planktonic foraminiferal Zone P3a and calcareous nannoplankton Zone NP4) and is followed by the rise to maximum delta13C values in the late Thanetian (near the base of C25n, in Zone P4c and NP9a, respectively) that can be used for global correlation in the Paleocene.
Latitude: 40.360800 * Longitude: -51.663300
Date/Time Start: 1975-07-12T00:00:00 * Date/Time End: 1975-07-12T00:00:00
43-384 * Latitude: 40.360800 * Longitude: -51.663300 * Date/Time: 1975-07-12T00:00:00 * Elevation: -3909.0 m * Penetration: 330.3 m * Recovery: 110.7 m * Location: North Atlantic/RIDGE * Campaign: Leg43 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 21 cores; 185 m cored; 9.3 m drilled; 59.8 % recovery
Datasets listed in this Collection
- Berggren, WA; Aubry, M-P; van Fossen, M et al. (2000): (Table 1, 6) Paleocene planktonic foraminiferal datum events in DSDP Hole 43-384. https://doi.org/10.1594/PANGAEA.704790
- Berggren, WA; Aubry, M-P; van Fossen, M et al. (2000): (Table 2) Paleocene calcareous plankton datum events in DSDP Hole 43-384. https://doi.org/10.1594/PANGAEA.704793
- Berggren, WA; Aubry, M-P; van Fossen, M et al. (2002): (Table 3) Paleomagnetic measurements of DSDP Hole 43-384. https://doi.org/10.1594/PANGAEA.704794
- Berggren, WA; Aubry, M-P; van Fossen, M et al. (2000): (Table 4) Polarity magnetozones and correlative chrons of DSDP Hole 43-384. https://doi.org/10.1594/PANGAEA.704796
- Berggren, WA; Aubry, M-P; van Fossen, M et al. (2000): (Table 5) Absolute abundances of planktonic foraminifera in Maastrichtian to upper Thanetian sediments of DSDP Hole 43-384. https://doi.org/10.1594/PANGAEA.704821
- Berggren, WA; Aubry, M-P; van Fossen, M et al. (2000): (Table 5) Relative abundances of planktonic foraminifera in Maastrichtian to upper Thanetian sediments of DSDP Hole 43-384. https://doi.org/10.1594/PANGAEA.704819
- Berggren, WA; Aubry, M-P; van Fossen, M et al. (2000): (Table 7) Magnetostratigraphy and calcareous plankton stratigraphy and zonal boundaries of DSDP Hole 43-384. https://doi.org/10.1594/PANGAEA.704825
- Berggren, WA; Aubry, M-P; van Fossen, M et al. (2000): (Table 9) Paleocene calcareous nannoplankton biochronology as deduced from magneostratigraphic correlations in DSDP Hole 43-384 n. https://doi.org/10.1594/PANGAEA.704826