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Brunner, Charlotte A (1992): Benthic and planktonic foraminifera in the Japan Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.771327, Supplement to: Brunner, CA (1992): Paleoenvironment and biostratigraphy of foraminifers at Sites 794, 795, 796, and 797 in the Japan Sea. In: Pisciotto, KA; Ingle, JCJr.; von Breymann, MT; Barron, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 127/128(1), 187-224, https://doi.org/10.2973/odp.proc.sr.127128-1.124.1992

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Abstract:
Biostratigraphy and paleoenvironmental history of deep and surficial waters of the Japan Sea are addressed using sequences recovered from the floor of the backarc basin. The study is divided into two parts: (1) foraminifer biostratigraphy and paleoenvironmental assessment of sedimentary sequences recovered from above igneous basement at the four sites and (2) detailed planktonic foraminifer paleoenvironmental analysis of Quaternary and Pliocene sequences from Sites 794 and 797 in the Yamato Basin.
A total of 253 samples were examined for the foraminifer biostratigraphy and 325 samples for the detailed paleoenvironmental study of Quaternary and Pliocene sequences. Low abundance and sporadic occurrence of foraminifers limited interpretation of results. Foraminifer-bearing intervals were correlated where possible to diatom and calcareous nannofossil zonations, and the sequences were successfully assigned to the foraminifer zonation of Matsunaga. Unfortunately, extensive barren intervals and sporadic occurrences of planktonic foraminifers prevented zonation of Quaternary and Pliocene intervals, although some interesting conclusions about paleoenvironment were possible and are listed below.
A sequence of Neogene (sensu lato) paleoenvironmental events were identified: (1) deepening of the Yamato basins to middle bathyal depths by the early to middle Miocene, an event contemporaneous with the age of some deep basins known from uplifted sections adjacent to the Japan Basin; (2) cooling of the Japan Sea in the early middle Miocene; (3) oxygenation of deep waters in the late Miocene; (4) further cooling of surficial water masses between the Olduvai Subchron and the Brunhes/Matuyama Boundary; and (5) extermination of lower middle bathyal faunas and replacement by upper middle bathyal faunas near the base of the Quaternary.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 40.678111 * Median Longitude: 137.343511 * South-bound Latitude: 38.616000 * West-bound Longitude: 134.536000 * North-bound Latitude: 43.987000 * East-bound Longitude: 139.414000
Date/Time Start: 1989-06-26T15:15:00 * Date/Time End: 1989-08-18T17:00:00
Event(s):
127-794A * Latitude: 40.190000 * Longitude: 138.231000 * Date/Time Start: 1989-06-26T15:15:00 * Date/Time End: 1989-06-30T12:15:00 * Elevation: -2822.0 m * Penetration: 351.3 m * Recovery: 302.17 m * Location: Japan Sea * Campaign: Leg127 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 37 cores; 351.3 m cored; 0 m drilled; 86 % recovery
127-794B * Latitude: 40.190000 * Longitude: 138.231000 * Date/Time Start: 1989-06-30T12:15:00 * Date/Time End: 1989-07-03T20:30:00 * Elevation: -2822.0 m * Penetration: 549 m * Recovery: 87.4 m * Location: Japan Sea * Campaign: Leg127 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 27 cores; 249.2 m cored; 0 m drilled; 35.1 % recovery
127-795A * Latitude: 43.987000 * Longitude: 138.967000 * Date/Time Start: 1989-07-12T20:15:00 * Date/Time End: 1989-07-16T00:00:00 * Elevation: -3311.0 m * Penetration: 365.9 m * Recovery: 258.26 m * Location: Japan Sea * Campaign: Leg127 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 39 cores; 364.9 m cored; 0 m drilled; 70.8 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
9 datasets

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Datasets listed in this publication series

  1. Brunner, CA (1992): (Table 2) Range chart of benthic and planktonic foraminifera of ODP Site 127-794. https://doi.org/10.1594/PANGAEA.771303
  2. Brunner, CA (1992): (Table 10) Coiling ratio of Neogloboquadrina pachyderma of ODP Holes 127-794A and 127-197B. https://doi.org/10.1594/PANGAEA.771325
  3. Brunner, CA (1992): (Table 11) Relative frequencies of planktonic foraminifers and cluster arrangement of ODP Holes 127-794A and 127-197B. https://doi.org/10.1594/PANGAEA.771326
  4. Brunner, CA (1992): (Table 8) Sample mass, sand fraction and relative abundances of planktonic foraminifera in ODP Holes 127-794A and 127-197B. https://doi.org/10.1594/PANGAEA.771323
  5. Brunner, CA (1992): (Table 9) Constituents of sand-size fraction of ODP Holes 127-794A and 127-197B. https://doi.org/10.1594/PANGAEA.771324
  6. Brunner, CA (1992): (Table 3) Range chart of benthic and planktonic foraminifera of ODP Site 127-795. https://doi.org/10.1594/PANGAEA.771304
  7. Brunner, CA (1992): (Table 4a) Range chart of benthic and planktonic foraminifera of ODP Hole 127-796A. https://doi.org/10.1594/PANGAEA.771305
  8. Brunner, CA (1992): (Table 4b) Range chart of benthic and planktonic foraminifera of ODP Hole 127-796B. https://doi.org/10.1594/PANGAEA.771306
  9. Brunner, CA (1992): (Table 5) Range chart of benthic and planktonic foraminifera of ODP Site 127-797. https://doi.org/10.1594/PANGAEA.771307