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Prentice, Michael L; Friez, J K; Simonds, G G; Matthews, R K (1993): Stable isotope composition of Neogene planktonic foraminifera from ODP Leg 130 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.780019, Supplement to: Prentice, ML et al. (1993): Neogene trends in planktonic foraminifer d18O from Site 807: Implications for global ice volume and western equatorial Pacific Sea-surface temperatures. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 281-305, https://doi.org/10.2973/odp.proc.sr.130.029.1993

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Abstract:
We produced a preliminary record for shallow-dwelling planktonic foraminifer d18O at Site 807 for the late Pleistocene, early Pliocene, and early Miocene. Site 807 d18O values between 4 and 5 Ma average 0.75 per mil more than Holocene values and show an average variation of 0.5 per mil. For the early Pliocene, peak maximum d18O at Site 807 attain values equivalent with the last glacial maximum whereas peak minimum d18O were never less than Holocene d18O. Shallow-dwelling planktonic d18O at Site 807 between 16 and 24 Ma average more than 1.0 per mil more positive than Holocene d18O and exhibit 0.5 per mil average amplitude. Assuming that the global ice budget for the early Pliocene and early Miocene was restricted to Antarctica, it is difficult to attribute the very positive Site 807 d18O for these intervals to ice on Antarctica. Site 807 d18O for these intervals more likely reflect sea-surface temperatures cooler than at present, sea-surface salinity greater than at present, increased dissolution, or some combination of these changes.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 3.607000 * Longitude: 156.625000
Date/Time Start: 1990-02-26T16:08:00 * Date/Time End: 1990-03-04T01:30:00
Event(s):
130-807A * Latitude: 3.607000 * Longitude: 156.625000 * Date/Time Start: 1990-02-26T16:08:00 * Date/Time End: 1990-03-02T21:00:00 * Elevation: -2803.8 m * Penetration: 822.9 m * Recovery: 716.74 m * Location: West equatorial Pacific Ocean * Campaign: Leg130 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 86 cores; 822.9 m cored; 0 m drilled; 87.1 % recovery
130-807B * Latitude: 3.607000 * Longitude: 156.625000 * Date/Time Start: 1990-03-02T21:00:00 * Date/Time End: 1990-03-04T01:30:00 * Elevation: -2806.1 m * Penetration: 278.6 m * Recovery: 280.18 m * Location: North Pacific Ocean * Campaign: Leg130 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 30 cores; 278.6 m cored; 0 m drilled; 100.6 % 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. Prentice, ML; Friez, JK; Simonds, GG et al. (1993): (Table 1) Age model of ODP Site 130-807. https://doi.org/10.1594/PANGAEA.779986
  2. Prentice, ML; Friez, JK; Simonds, GG et al. (1993): (Table 3) Stable isotope ratios of Globigerinoides trilobus from ODP Site 130-807. https://doi.org/10.1594/PANGAEA.780013
  3. Prentice, ML; Friez, JK; Simonds, GG et al. (1993): (Table 4) Stable isotope ratios of Globigerinoides trilobus from ODP Site 130-807A, replicate measurement. https://doi.org/10.1594/PANGAEA.780014
  4. Prentice, ML; Friez, JK; Simonds, GG et al. (1993): (Table 2) Grain size distribution in ODP Site 130-807. https://doi.org/10.1594/PANGAEA.780006
  5. Prentice, ML; Friez, JK; Simonds, GG et al. (1993): (Table 5) Stable isotope ratios of Dentoglobigerina altispira from ODP Hole 130-807A. https://doi.org/10.1594/PANGAEA.780015
  6. Prentice, ML; Friez, JK; Simonds, GG et al. (1993): (Table 6) Stable isotope ratios of Dentoglobigerina altispira from ODP Hole 130-807A, replicate measurement. https://doi.org/10.1594/PANGAEA.780016
  7. Prentice, ML; Friez, JK; Simonds, GG et al. (1993): (Table 7) Stable isotope ratios of Globorotalia kugleri from ODP Hole 130-807A. https://doi.org/10.1594/PANGAEA.780017
  8. Prentice, ML; Friez, JK; Simonds, GG et al. (1993): (Table 8) Stable isotope ratios of Globorotalia kugleri from ODP Hole 130-807A, replicate measurement. https://doi.org/10.1594/PANGAEA.780018