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Iwai, Masao; Kameo, Koji; Miyake, N (2001): Calcareous nannofossils, pollen and spores from ODP Leg 178 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.737378, Supplement to: Iwai, M et al. (2001): Calcareous nannofossils, pollen, and spores from Leg 178 Sites 1095, 1097, 1100, and 1103, western Antarctic Peninsula: age constraints and environmental implications. In: Barker, PF; Camerlenghi, A; Acton, GD; Ramsay, ATS (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 178, 1-22, https://doi.org/10.2973/odp.proc.sr.178.227.2001

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Abstract:
Calcareous nannofossils, pollen, and spores were examined on samples from Ocean Drilling Program Leg 178 Site 1095 on the continental rise and Sites 1097, 1100, and 1103 on the outer continental shelf of the western Antarctic Peninsula. Stratigraphically useful specimens of calcareous nannofossils occur in Site 1095 sediments assigned to Zones CN15, CN13b, and CN11. Calcareous nannofossils are rare but occur throughout the sedimentary sequences from seismic Units S1 to S3 on the continental shelf. Most of the calcareous nannofossils in Units S1 and S2 are composed of Cretaceous specimens that have been recycled by glacial processes. The occurrence of Dictyococcites in samples within Unit S3 upper Miocene sediments without any reworked specimens suggests those sediments are deposited in an open-ocean environment. These results are consistent with those from foraminifer and radiolarian studies. Pollen and spores including Nothofagidites, the genus for fossil pollen referred to as Nothofagus, are also observed in Unit S3 sediments. The sparse occurrence of pollen and spores, however, makes it difficult to assess the nature of the Antarctic terrestrial vegetation.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -65.315277 * Median Longitude: -70.103809 * South-bound Latitude: -66.985450 * West-bound Longitude: -78.487820 * North-bound Latitude: -63.883310 * East-bound Longitude: -65.465310
Date/Time Start: 1998-02-17T16:15:00 * Date/Time End: 1998-03-22T20:00:00
Event(s):
178-1095A * Latitude: -66.985450 * Longitude: -78.487310 * Date/Time Start: 1998-02-17T16:15:00 * Date/Time End: 1998-02-18T19:30:00 * Elevation: -3841.6 m * Penetration: 87.3 m * Recovery: 86.48 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 10 cores; 87.3 m cored; 0 m drilled; 99.1 % recovery
178-1095B * Latitude: -66.985450 * Longitude: -78.487820 * Date/Time: 1998-02-18T00:00:00 * Elevation: -3841.6 m * Penetration: 570.2 m * Recovery: 385.75 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 52 cores; 487.2 m cored; 83 m drilled; 79.2 % recovery
178-1097A * Latitude: -66.392800 * Longitude: -70.756400 * Date/Time: 1998-03-06T06:15:00 * Elevation: -551.7 m * Penetration: 436.6 m * Recovery: 59.3 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 51 core; 436.6 m cored; 0 m drilled; 13.6 % recovery
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. Iwai, M; Kameo, K; Miyake, N (2001): (Table T2) Occurrence of calcareous nannofossils with zonal assignments, ODP Hole 178-1095A. https://doi.org/10.1594/PANGAEA.141290
  2. Iwai, M; Kameo, K; Miyake, N (2001): (Table T2) Occurrence of calcareous nannofossils with zonal assignments, ODP Hole 178-1095B. https://doi.org/10.1594/PANGAEA.141291
  3. Iwai, M; Kameo, K; Miyake, N (2001): (Table T3) Occurrence of calcareous nannofossils from ODP Hole 178-1097A. https://doi.org/10.1594/PANGAEA.141292
  4. Iwai, M; Kameo, K; Miyake, N (2001): (Table T4) Occurrence chart of pollen and spores, ODP Hole 178-1097A. https://doi.org/10.1594/PANGAEA.141294
  5. Iwai, M; Kameo, K; Miyake, N (2001): (Table T4) Occurrence chart of pollen and spores, ODP Hole 178-1100C. https://doi.org/10.1594/PANGAEA.141295
  6. Iwai, M; Kameo, K; Miyake, N (2001): (Table T4) Occurrence chart of pollen and spores, ODP Hole 178-1100D. https://doi.org/10.1594/PANGAEA.141297
  7. Iwai, M; Kameo, K; Miyake, N (2001): (Table T3) Occurrence of calcareous nannofossils from ODP Hole 178-1103A. https://doi.org/10.1594/PANGAEA.141293
  8. Iwai, M; Kameo, K; Miyake, N (2001): (Table T4) Occurrence chart of pollen and spores, ODP Hole 178-1103A. https://doi.org/10.1594/PANGAEA.141296