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McCartney, Kevin; Wise, Sherwood W (1990): Cenozoic silicoflagellates and ebridians from ODP Leg 113 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.753479, Supplement to: McCartney, K; Wise, SW (1990): Cenozoic silicoflagellates and ebridians from ODP Leg 113: biostratigraphy and notes on morphologic variability. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 729-760, https://doi.org/10.2973/odp.proc.sr.113.142.1990

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Abstract:
Silicoflagellates are present at ODP 113 Sites 689, 690, 693, 695, 696, and 697. These are generally Neogene in age except for Oligocene and Eocene silicoflagellates and ebridians at Sites 689, 690, and 693, and Lower Cretaceous (Albian) silicoflagellates at Site 693 (the latter are described in McCartney, et al., this volume). The uppermost Miocenelowermost Pliocene of most sites contains an interesting assemblage of Distephanus speculum speculum that lack apical rings (the "pseudofibula plexus"). These co-occur with the youngest ice-rafted sediments deposited during the late Miocene-early Pliocene West Antarctic glaciations and are discussed in detail to show the variability within this group. We believe that these variations resulted from environmental stress, the precise nature of which is still undetermined. The "pseudofibulid" condition has developed at several different times during the Cenozoic within the Distephanus speculum lineage to produce such ecophenotypes. One new form from the "pseudofibula plexus," D. s. speculum f. pseudopentagonus, is described.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -64.058429 * Median Longitude: -25.697500 * South-bound Latitude: -70.832000 * West-bound Longitude: -43.451600 * North-bound Latitude: -61.810000 * East-bound Longitude: 3.099900
Date/Time Start: 1987-01-16T08:00:00 * Date/Time End: 1987-03-07T13:30:00
Event(s):
113-689B * Latitude: -64.517000 * Longitude: 3.099900 * Date/Time Start: 1987-01-16T08:00:00 * Date/Time End: 1987-01-18T06:45:00 * Elevation: -2091.0 m * Penetration: 297.3 m * Recovery: 229.45 m * Location: South Atlantic Ocean * Campaign: Leg113 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 297.3 m cored; 0 m drilled; 77.2 % recovery
113-690B * Latitude: -65.161000 * Longitude: 1.204900 * Date/Time Start: 1987-01-20T03:15:00 * Date/Time End: 1987-01-21T07:00:00 * Elevation: -2925.0 m * Penetration: 213.4 m * Recovery: 214.75 m * Location: South Atlantic Ocean * Campaign: Leg113 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 25 cores; 213.4 m cored; 0 m drilled; 100.6 % recovery
113-693A * Latitude: -70.832000 * Longitude: -14.573500 * Date/Time Start: 1987-01-30T09:00:00 * Date/Time End: 1987-02-05T03:15:00 * Elevation: -2371.0 m * Penetration: 483.9 m * Recovery: 213.58 m * Location: Weddell Sea * Campaign: Leg113 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 51 core; 483.9 m cored; 0 m drilled; 44.1 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
7 datasets

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Datasets listed in this publication series

  1. McCartney, K; Wise, SW (1990): (Table 5) Abundance of silicoflagellates and ebridians in ODP Hole 113-689B. https://doi.org/10.1594/PANGAEA.753461
  2. McCartney, K; Wise, SW (1990): (Table 6) Abundance of silicoflagellates and ebridians in ODP Hole 113-690B. https://doi.org/10.1594/PANGAEA.753462
  3. McCartney, K; Wise, SW (1990): (Table 7) Abundance of silicoflagellates and ebridians in ODP Hole 113-693A. https://doi.org/10.1594/PANGAEA.753463
  4. McCartney, K; Wise, SW (1990): (Table 8) Abundance of silicoflagellates in ODP Hole 113-695A. https://doi.org/10.1594/PANGAEA.753470
  5. McCartney, K; Wise, SW (1990): (Table 9) Abundance of silicoflagellates in ODP Hole 113-696A. https://doi.org/10.1594/PANGAEA.753471
  6. McCartney, K; Wise, SW (1990): (Table 10) Abundance of silicoflagellates in ODP Hole 113-696B. https://doi.org/10.1594/PANGAEA.753472
  7. McCartney, K; Wise, SW (1990): (Table 11) Abundance of silicoflagellates and ebridians in ODP Hole 113-697B. https://doi.org/10.1594/PANGAEA.753473