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Winfrey, Elaine; Doyle, P S; Riedel, William R (1987): Preliminary ichthyolith biostratigraphy and age profiles at DSDP Sites 91-595 and 91-596 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.792768, Supplement to: Winfrey, E et al. (1987): Preliminary ichthyolith biostratigraphy, southwest Pacific, Deep Sea Drilling Project Leg 91. In: Menard, HW; Natland, J; Jordan, TH; Orcutt, JA; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 91, 447-468, https://doi.org/10.2973/dsdp.proc.91.112.1987

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Abstract:
Seventy meters of Cenozoic and Mesozoic pelagic clay cored at DSDP Sites 595 and 596 provide the basis for a preliminary analysis of ichthyolith biostratigraphy in the southwest Pacific. A most likely order of the more reliable ichthyolith events is compared with a synthesis of ichthyolith biostratigraphy in the North Pacific and with dated composite ranges. The resultant preliminary ichthyolith stratigraphy suggests that the Cenozoic is represented by the upper 20 m at Site 596 and 16 to 22 m at Site 595. Mixing of taxa precludes a clear recognition of the Cretaceous/Tertiary boundary at Site 595. The occurrence of 13 newly described subtypes is recorded in Mesozoic sediments at Sites 595 and 596. These new subtypes and previously described Mesozoic forms may be useful for recognizing Mesozoic subdivisions when their occurrences in sequences dated by other microfossils are investigated.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: -23.838187 * Median Longitude: -165.592344 * South-bound Latitude: -23.853300 * West-bound Longitude: -165.654500 * North-bound Latitude: -23.822300 * East-bound Longitude: -165.527000
Date/Time Start: 1983-01-21T00:00:00 * Date/Time End: 1983-02-12T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Winfrey, E; Doyle, PS; Riedel, WR (1987): (Table 4) Age profile, nannofossil zone and epoch at DSDP Sites 91-595 and 91-596. https://doi.org/10.1594/PANGAEA.792791
  2. Winfrey, E; Doyle, PS; Riedel, WR (1987): (Table 5) Stratigraphic distribution of new ichthyolith subtypes in selected samples at DSDP Sites 91-595 and 91-596. https://doi.org/10.1594/PANGAEA.792767
  3. Winfrey, E; Doyle, PS; Riedel, WR (1987): (Table 1) Stratigraphic distribution of previously described ichthyolith subtypes at DSDP Hole 91-595A. https://doi.org/10.1594/PANGAEA.792763
  4. Winfrey, E; Doyle, PS; Riedel, WR (1987): (Table 2) Stratigraphic distribution of previously described ichthyolith subtypes at DSDP Site 596. https://doi.org/10.1594/PANGAEA.792766