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Ciampo, Giuliano (1992): Late Miocene to Holocene calcareous nannofossils from ODP sites of Leg 125 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.729518, Supplement to: Ciampo, G (1992): Late Miocene (CN9B subzone) to Holocene calcareous nannofossils from the western and northwestern Pacific Ocean, Leg 125. In: Fryer, P; Pearce, JA; Stokking, LB; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 125, 15-41, https://doi.org/10.2973/odp.proc.sr.125.141.1992

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Abstract:
During Leg 125 of the Ocean Drilling Program, nine sites were drilled in the Mariana and Izu-Bonin areas. The sediments recovered range in age from early Pliocene to late Pleistocene in the Mariana Region and from middle Eocene to late Pleistocene in the Izu-Bonin region. This contribution concerns the biostratigraphic study of the latest Miocene (CN9b Subzone) to late Pleistocene interval. Aquantitative analysis of all calcareous nannofossil associations was conducted for the interval encompassing late Miocene to the top of the early Pliocene. Moreover, the genera Discoaster, Amaurolithus, and Ceratolithus were quantitatively investigated from the late Miocene to late Pliocene interval. Some bioevents were identified, and variations in the composition of assemblages were linked to climatic changes.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 28.302638 * Median Longitude: 142.550000 * South-bound Latitude: 19.631800 * West-bound Longitude: 140.920000 * North-bound Latitude: 31.875000 * East-bound Longitude: 146.542700
Date/Time Start: 1989-03-11T03:30:00 * Date/Time End: 1989-04-04T12:00:00
Event(s):
125-781A * Latitude: 19.631800 * Longitude: 146.542700 * Date/Time Start: 1989-03-11T03:30:00 * Date/Time End: 1989-03-13T19:00:00 * Elevation: -4432.0 m * Penetration: 250 m * Recovery: 39.62 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 27 cores; 247 m cored; 0 m drilled; 16 % recovery
125-782A * Latitude: 30.861000 * Longitude: 141.314200 * Date/Time Start: 1989-03-16T18:00:00 * Date/Time End: 1989-03-17T07:30:00 * Elevation: -2958.9 m * Penetration: 476.8 m * Recovery: 282 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 50 cores; 476.8 m cored; 0 m drilled; 59.1 % recovery
125-785A * Latitude: 30.824500 * Longitude: 140.920000 * Date/Time Start: 1989-03-31T17:30:00 * Date/Time End: 1989-04-01T19:30:00 * Elevation: -2672.0 m * Penetration: 104.7 m * Recovery: 18.42 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 11 core; 104.7 m cored; 0 m drilled; 17.6 % 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. Ciampo, G (1992): (Table 1) Distribution of calcareous nannofossils at ODP Hole 125-781A. https://doi.org/10.1594/PANGAEA.729510
  2. Ciampo, G (1992): (Table 8) Percent distribution of calcareous nannofossils at ODP Hole 125-781A. https://doi.org/10.1594/PANGAEA.729517
  3. Ciampo, G (1991): (Table 2) Percent distribution of calcareous nannofossils at ODP Hole 125-782A. https://doi.org/10.1594/PANGAEA.729511
  4. Ciampo, G (1992): (Table 3) Distribution of calcareous nannofossils at ODP Hole 125-782A. https://doi.org/10.1594/PANGAEA.729512
  5. Ciampo, G (1992): (Table 6) Percent distribution of calcareous nannofossils at ODP Hole 125-782A. https://doi.org/10.1594/PANGAEA.729515
  6. Ciampo, G (1992): (Table 4) Distribution of calcareous nannofossils at ODP Hole 125-785A. https://doi.org/10.1594/PANGAEA.729513
  7. Ciampo, G (1992): (Table 5) Percent distribution of calcareous nannofossils at ODP Hole 125-786A. https://doi.org/10.1594/PANGAEA.729514
  8. Ciampo, G (1992): (Table 7) Percent distribution of calcareous nannofossils at ODP Hole 125-786A. https://doi.org/10.1594/PANGAEA.729516