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McGonigal, Kristeen L; Wise, Sherwood W (2001): Calcareous nannofossil stratigraphy and key biohorizons of ODP Leg 173 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.787748, Supplement to: McGonigal, KL; Wise, SW (2001): Eocene calcareous nannofossil biostratigraphy and sediment accumulation of turbidite sequences on the Iberia Abyssal Plain, ODP Sites 1067-1069. In: Beslier, M-O; Whitmarsh, RB; Wallace, PJ; Girardeau, J (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 173, 1-35, https://doi.org/10.2973/odp.proc.sr.173.008.2001

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Abstract:
Six sites were drilled on the southern Iberia Abyssal Plain during Ocean Drilling Program (ODP) Leg 173. Three holes (1067A, 1068A, and 1069A) recovered Eocene sediments consisting of thinly bedded turbidite deposits with interbedded hemipelagic sediments (Bouma sequence Te) deposited near the calcite compensation depth. The hemipelagic sediments are barren of nannofossils, necessitating the use of the turbidite deposits to erect an Eocene biostratigraphy for these holes. Moderately preserved, diverse assemblages of nannofossils were recovered from silty clays (Bouma sequence Td) and poorly preserved, less diverse assemblages were recovered from sandy/silty clays (Bouma sequence Tc). Hole 1067A has a continuous record of sedimentation (Subzones CP9a-CP14a) and Holes 1068A and 1069A have similar continuous records (Subzones CP9a-CP12a), although all holes contain barren intervals. Holes 1067A, 1068A, 1069A, 900A (ODP Leg 149), and 398D (Deep Sea Drilling Project Leg 47B) display a similar increase in mass accumulation rates in the lowermost middle Eocene. A reliable Eocene biostratigraphy has been erected using nannofossil data from turbidite sequences, allowing for correlation between Iberia Abyssal Plain sites.
Project(s):
Deep Sea Drilling Project (DSDP)
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 40.728385 * Median Longitude: -11.536570 * South-bound Latitude: 40.682500 * West-bound Longitude: -11.777200 * North-bound Latitude: 40.960000 * East-bound Longitude: -10.718300
Date/Time Start: 1976-04-14T00:00:00 * Date/Time End: 1997-05-31T14:45:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
8 datasets

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Datasets listed in this publication series

  1. McGonigal, KL; Wise, SW (2001): (Table T8) Key nannofossil biohorizons of DSDP Hole 47B-398D. https://doi.org/10.1594/PANGAEA.787747
  2. McGonigal, KL; Wise, SW (2001): (Table T7) Key nannofossil biohorizons of ODP Hole 149-900A. https://doi.org/10.1594/PANGAEA.787744
  3. McGonigal, KL; Wise, SW (2001): (Table T2) Key nannofossil biohorizons of ODP Hole 173-1067A. https://doi.org/10.1594/PANGAEA.787738
  4. McGonigal, KL; Wise, SW (2001): (Table T1) Stratigraphic distribution of calcareous nannofossil taxa of ODP Hole 173-1067A. https://doi.org/10.1594/PANGAEA.787737
  5. McGonigal, KL; Wise, SW (2001): (Table T4) Key nannofossil biohorizons of ODP Hole 173-1068A. https://doi.org/10.1594/PANGAEA.787740
  6. McGonigal, KL; Wise, SW (2001): (Table T3) Stratigraphic distribution of calcareous nannofossil taxa of ODP Hole 173-1068A. https://doi.org/10.1594/PANGAEA.787739
  7. McGonigal, KL; Wise, SW (2001): (Table T6) Key nannofossil biohorizons of ODP Hole 173-1069A. https://doi.org/10.1594/PANGAEA.787743
  8. McGonigal, KL; Wise, SW (2001): (Table T5) Stratigraphic distribution of calcareous nannofossil taxa of ODP Hole 173-1069A. https://doi.org/10.1594/PANGAEA.787741