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Staerker, Thomas Scott (1994): Calcareous nannofossil biostratigraphy of ODP Leg 134 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.787940, Supplement to: Staerker, TS (1994): Calcareous nannofossil biostratigraphy: Evidence for thrust faulting an sediment mixing in the accretionary complex ofthe central New Hebrides Island Arc. In: Green, HG; Collot, J-Y; Stokking, LB; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 134, 179-245, https://doi.org/10.2973/odp.proc.sr.134.009.1994

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Abstract:
Seven sites drilled in the central New Hebrides Island Arc during Ocean Drilling Program Leg 134 yielded varying quantities of upper Eocene through Pleistocene calcareous nannofossils. Most of the Miocene and Pliocene strata were absent from Sites 827-831 drilled along the collisional boundary between the Australia and Pacific plates where the North d'Entrecasteaux Ridge and Bougainville Guyot are being subducted. Sites 832 and 833, drilled in the intra-arc North Aoba Basin, contained upper Miocene through Pleistocene and early Pliocene through Pleistocene nannofossils, respectively. Detailed range charts displaying species abundances and age interpretations are presented for all of the sites.
Despite problems of reworked assemblages, poor preservation, overgrowths and/or dilution from volcaniclastics, the nannofossil biostratigraphy delineates several repeated sections at Site 829 in the accretionary prism adjacent to Espiritu Santo Island. Paleogene pelagic sediments equivalent to those in a reference section at Site 828 appear to have been scraped from the downgoing North d'Entrecasteaux Ridge and accreted onto the forearc during the Pleistocene. Other sediments in the forearc include Pleistocene olistostromal trench-fill deposits containing clasts of various ages and compositions. Some of the clasts and olistoliths have affinities to rocks exposed on the neighboring islands and environs, whereas others are of uncertain origin. The matrix of the olistostromes is predominately Pleistocene, however, matrices of mixed nannofossil ages are frequently encountered. Comparisons of the mixed nannofossil ages in the matrices with sedimentological and structural data suggest that sediment mixing resulting from fault movement is subordinate to that occurring during deposition.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -15.250563 * Median Longitude: 166.927300 * South-bound Latitude: -16.009000 * West-bound Longitude: 166.284000 * North-bound Latitude: -14.796000 * East-bound Longitude: 167.880000
Date/Time Start: 1990-10-20T20:45:00 * Date/Time End: 1990-12-14T00:30:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
16 datasets

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Datasets listed in this publication series

  1. Staerker, TS (1994): (Table 4) Pleistocene nannofossil range chart for ODP Hole 134-827A. https://doi.org/10.1594/PANGAEA.787922
  2. Staerker, TS (1994): (Table 4) Pleistocene nannofossil range chart for ODP Hole 134-827B. https://doi.org/10.1594/PANGAEA.787923
  3. Staerker, TS (1994): (Table 2) Pleistocene nannofossil range chart for ODP Hole 134-828A. https://doi.org/10.1594/PANGAEA.787918
  4. Staerker, TS (1994): (Table 2) Oligocene to Pliocene nannofossil range chart for ODP Hole 134-828A. https://doi.org/10.1594/PANGAEA.787919
  5. Staerker, TS (1994): (Table 2) Eocene to Oligocene nannofossil range chart for ODP Hole 134-828B. https://doi.org/10.1594/PANGAEA.787920
  6. Staerker, TS (1994): (Table 5) Oligocene to Pleistocene nannofossil range chart for ODP Hole 134-829A. https://doi.org/10.1594/PANGAEA.787924
  7. Staerker, TS (1994): (Table 5) Eocene to Oligocene nannofossil range chart for ODP Hole 134-829A. https://doi.org/10.1594/PANGAEA.787925
  8. Staerker, TS (1994): (Table 6) Pleistocene nannofossil range chart for ODP Hole 134-830A. https://doi.org/10.1594/PANGAEA.787926
  9. Staerker, TS (1994): (Table 6) Pleistocene nannofossil range chart for ODP Hole 134-830B. https://doi.org/10.1594/PANGAEA.787927
  10. Staerker, TS (1994): (Table 3) Pleistocene nannofossil range chart for ODP Hole 134-831A. https://doi.org/10.1594/PANGAEA.787921
  11. Staerker, TS (1994): (Table 7) Pleistocene nannofossil range chart for ODP Hole 134-832A. https://doi.org/10.1594/PANGAEA.787932
  12. Staerker, TS (1994): (Table 7) Pleistocene nannofossil range chart for ODP Hole 134-832B. https://doi.org/10.1594/PANGAEA.787933
  13. Staerker, TS (1994): (Table 7) Miocene to Pliocene nannofossil range chart for ODP Hole 134-832B. https://doi.org/10.1594/PANGAEA.787936
  14. Staerker, TS (1994): (Table 8) Pleistocene nannofossil range chart for ODP Hole 134-833A. https://doi.org/10.1594/PANGAEA.787937
  15. Staerker, TS (1994): (Table 8) Pliocene to Pleistocene nannofossil range chart for ODP Hole 134-833B. https://doi.org/10.1594/PANGAEA.787938
  16. Staerker, TS (1994): (Table 8) Pliocene nannofossil range chart for ODP Hole 134-833B. https://doi.org/10.1594/PANGAEA.787939