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Tang, Cheng (1991): Paleomagnetic of ODP Holes 122-762B and 122-763A [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.762690, Supplement to: Tang, C (1992): Paleomagnetism of Cenozoic sediments in Holes 762B and 763A, central Exmouth Plateau, Northwest Australia. In: von Rad, U; Haq, BU; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 122, 717-733, https://doi.org/10.2973/odp.proc.sr.122.153.1992

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Abstract:
The magnetostratigraphy of Neogene sediments from Holes 762B and 763A are presented in this paper. Hole 762B contains 17 reversals. All reversals above the base of the Gilbert are correlated with the magnetic polarity time scale (Haq et al., 1988). Hole 763A yields a record of about 20 reversals that can be correlated to the magnetic polarity time scale, documenting all reversals to the base of Chron 4A. Based on the correlation, the sediment accumulation vs. time for Holes 762B and 763A are determined. The age-depth curves obtained show a similar pattern of sedimentation rate since 6.8 Ma.
The study also indicates a correlation between the fluctuations in the magnetic parameters (natural remanent magnetization intensity and susceptibility), the lithologic changes, and changes in iron content at both holes. This correlation suggests that the natural remanent magnetization intensity and susceptibility changes observed in Holes 762B and 763A are controlled by changes in depositional processes probably associated with climatic variations.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -20.237000 * Median Longitude: 112.231150 * South-bound Latitude: -20.587000 * West-bound Longitude: 112.208300 * North-bound Latitude: -19.887000 * East-bound Longitude: 112.254000
Date/Time Start: 1988-07-26T11:00:00 * Date/Time End: 1988-08-06T19:30:00
Event(s):
122-762B * Latitude: -19.887000 * Longitude: 112.254000 * Date/Time Start: 1988-07-26T11:00:00 * Date/Time End: 1988-07-27T03:25:00 * Elevation: -1371.0 m * Penetration: 175.4 m * Recovery: 174.9 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg122 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 19 cores; 175.4 m cored; 0 m drilled; 99.7 % recovery
122-763A * Latitude: -20.587000 * Longitude: 112.208300 * Date/Time Start: 1988-08-05T15:05:00 * Date/Time End: 1988-08-06T19:30:00 * Elevation: -1379.0 m * Penetration: 194.9 m * Recovery: 201.88 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg122 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 21 core; 194.9 m cored; 0 m drilled; 103.6 % 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. Tang, C (1992): (Table 1) Paleomagnetic results of discrete samples from ODP Hole 122-762B. https://doi.org/10.1594/PANGAEA.762686
  2. Tang, C (1992): (Table 3) Magnetic polarity reversal boundaries identified ODP Holes 122-762B and 122-763A. https://doi.org/10.1594/PANGAEA.762689
  3. Tang, C (1992): (Table 2) Paleomagnetic results of discrete samples from ODP Hole 122-763A. https://doi.org/10.1594/PANGAEA.762687