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Harwood, David M; Lazarus, David B; Abelmann, Andrea; Aubry, Marie-Pierre; Berggren, William A; Heider, Franz; Inokuchi, Hiroo; Maruyama, Toshiaki; McCartney, Kevin; Wei, Wuchang; Wise, Sherwood W (1992): Bio- and magnetostratigraphic events of ODP holes of the central Kerguelen Plateau [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.760140, Supplement to: Harwood, DM et al. (1992): Neogene integrated magnetobiostratigraphy of the central Kerguelen Plateau, Leg 120. In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 1031-1052, https://doi.org/10.2973/odp.proc.sr.120.185.1992

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Abstract:
Neogene biostratigraphic and magnetostratigraphic data are compiled from Holes 747A, 748B, and 751A drilled on the Southern Kerguelen Plateau during Ocean Drilling Program Leg 120. Neogene sections have excellent to good magnetostratigraphic signatures in many intervals. This, in addition to minimal coring gaps and the occurrence of mixed assemblages of both calcareous and siliceous microfossil assemblages, makes these valuable biostratigraphic reference sections for intra- and extraregional correlations. This paper combines the sequence of biostratigraphic events reported from diatom, radiolarian, planktonic foraminifer, calcareous nannofossil, and silicoflagellate studies of Leg 120 sediments. It correlates microfossil datums with the geomagnetic polarity time scale to test existing age estimates and to refine biostratigraphic age controls for the southern high latitudes.
Significant biostratigraphic datums are presented in a series of age-depth plots. Numerous hiatuses are clearly identified through this approach, and the positions of lesser disconformities are suggested. Most Neogene intervals are represented in at least one site, although "regional" unconformities occur in the upper Pliocene, uppermost Miocene/lowermost Pliocene, middle upper Miocene, middle middle Miocene, and at the lower/middle Miocene boundaries. The longest hiatus spanned 6 m.y., with most other hiatuses representing 1 m.y. or less. This paper compiles Leg 120 biostratigraphic and magnetostratigraphic data for use in future syntheses of southern high latitude biostratigraphy and presents an age model for Leg 120 Neogene sediments.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -56.992667 * Median Longitude: 78.535633 * South-bound Latitude: -58.441000 * West-bound Longitude: 76.794000 * North-bound Latitude: -54.811000 * East-bound Longitude: 79.814800
Date/Time Start: 1988-03-06T22:30:00 * Date/Time End: 1988-04-19T23:30:00
Event(s):
120-747A * Latitude: -54.811000 * Longitude: 76.794000 * Date/Time Start: 1988-03-06T22:30:00 * Date/Time End: 1988-03-08T17:15:00 * Elevation: -1706.0 m * Penetration: 256 m * Recovery: 227.34 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg120 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 27 cores; 256 m cored; 0 m drilled; 88.8 % recovery
120-748C * Latitude: -58.441000 * Longitude: 78.998100 * Date/Time Start: 1988-03-15T11:00:00 * Date/Time End: 1988-03-23T22:54:00 * Elevation: -1301.0 m * Penetration: 935 m * Recovery: 185.88 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg120 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 87 cores; 760 m cored; 0 m drilled; 24.5 % recovery
120-751A * Latitude: -57.726000 * Longitude: 79.814800 * Date/Time Start: 1988-04-18T20:00:00 * Date/Time End: 1988-04-19T23:30:00 * Elevation: -1644.0 m * Penetration: 166.2 m * Recovery: 162.92 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg120 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 18 cores; 166.2 m cored; 0 m drilled; 98 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Harwood, DM; Lazarus, DB; Abelmann, A et al. (1992): (Table 2) Bio- and magnetostratigraphic events of ODP Hole 120-747A. https://doi.org/10.1594/PANGAEA.760133
  2. Harwood, DM; Lazarus, DB; Abelmann, A et al. (1992): (Table 5) Bio- and magnetostratigraphic events of ODP Hole 120-748C. https://doi.org/10.1594/PANGAEA.760134
  3. Harwood, DM; Lazarus, DB; Abelmann, A et al. (1992): (Table 8) Bio- and magnetostratigraphic events of ODP Hole 120-751A. https://doi.org/10.1594/PANGAEA.760135