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Flores, José-Abel; Marino, Maria (2002): Pleistocene calcareous nannofossil stratigraphy for ODP Leg 177, Atlantic sector of the Southern Ocean. PANGAEA, https://doi.org/10.1594/PANGAEA.686248, Supplement to: Flores, J-A; Marino, M (2002): Pleistocene calcareous nannofossil stratigraphy for ODP Leg 177 (Atlantic sector of the Southern Ocean). Marine Micropaleontology, 45(3-4), 191-224, https://doi.org/10.1016/S0377-8398(02)00030-0

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Abstract:
Seven Ocean Drilling Program (ODP) sites recovered during ODP Leg 177 in the Atlantic sector of the Southern Ocean were analyzed to study the Pleistocene calcareous nannofossil record. Calcareous nannofossil events previously described from intermediate and low latitudes were identified and calibrated with available geomagnetic and stable isotope stratigraphic data. In general, Pleistocene southern high latitude calcareous nannofossil events show synchronicity with those observed from warm and temperate latitudes. The first occurrence (FO) of Emiliania huxleyi and the last occurrence (LO) of Pseudoemiliania lacunosa are observed in marine isotope stages (MIS) 8 and 12, respectively. A reversal in abundance between Gephyrocapsa muellerae and E. huxleyi is observed at MIS 5. MIS 6 is characterized by an increase in G. muellerae and MIS 7 features a dramatic decrease in the proportion of Gephyrocapsa caribbeanica. This latter species began to increase its proportions from MIS 14 to 13. The LO of Reticulofenestra asanoi is observed within subchron C1r.1r and the FO of R. asanoi occurs at the top of C1r.2r. A reentry of medium-sized Gephyrocapsa can be identified in some cores during subchron C1r.1n. The LO of large morphotypes of Gephyrocapsa is well correlated through the studied area, and occurs during the middle-low part of subchron C1r.2r,synchronous with other oceanic regions. The FO of Calcidiscus macintyrei and FO of medium-sized Gephyrocapsa occur in the studied area close to 1.6 Ma.
Project(s):
Coverage:
Median Latitude: -45.949790 * Median Longitude: 8.050035 * South-bound Latitude: -53.180350 * West-bound Longitude: 5.130333 * North-bound Latitude: -40.936333 * East-bound Longitude: 13.562830
Date/Time Start: 1997-12-17T09:45:00 * Date/Time End: 1998-01-20T00:00:00
Event(s):
177-1088B * Latitude: -41.136060 * Longitude: 13.562830 * Date/Time Start: 1997-12-17T09:45:00 * Date/Time End: 1997-12-17T23:15:00 * Elevation: -2081.2 m * Penetration: 129 m * Recovery: 125.55 m * Location: South Atlantic Ocean * Campaign: Leg177 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 14 cores; 129 m cored; 0 m drilled; 97.3 % recovery
177-1089 * Latitude: -40.936333 * Longitude: 9.893983 * Date/Time: 1997-12-19T00:00:00 * Elevation: -4620.5 m * Penetration: 793.6 m * Recovery: 675.9 m * Location: South Atlantic Ocean * Campaign: Leg177 * Basis: Joides Resolution * Device: Composite Core (COMPCORE) * Comment: 86 cores; 791.6 m cored; 2 m drilled; 85.4% recovery
177-1090 * Latitude: -42.913617 * Longitude: 8.899817 * Date/Time: 1997-12-25T00:00:00 * Elevation: -3701.6 m * Penetration: 936.4 m * Recovery: 874.9 m * Location: South Atlantic Ocean * Campaign: Leg177 * Basis: Joides Resolution * Device: Composite Core (COMPCORE) * Comment: 101 cores; 936.4 m cored; 0 m drilled; 93.4% recovery
Size:
14 datasets

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Datasets listed in this Collection

  1. Flores, J-A; Marino, M (2002): (Table 2) Pleistocene calcareous nannofossil events of ODP Hole 177-1088B from Agulhas Ridge, South Atlantic. https://doi.org/10.1594/PANGAEA.686232
  2. Flores, J-A; Marino, M (2002): (Table 3) Pleistocene calcareous nannofossil events of ODP Site 177-1089 from Agulhas Ridge, South Atlantic. https://doi.org/10.1594/PANGAEA.686233
  3. Flores, J-A; Marino, M (2002): (Table 4) Pleistocene calcareous nannofossil events of ODP Site 177-1090 from Agulhas Ridge, South Atlantic. https://doi.org/10.1594/PANGAEA.686234
  4. Flores, J-A; Marino, M (2002): (Table 5) Pleistocene calcareous nannofossil events of ODP Hole 177-1091A from Meteor Rise, South Atlantic. https://doi.org/10.1594/PANGAEA.686235
  5. Flores, J-A; Marino, M (2002): (Table 6) Pleistocene calcareous nannofossil events of ODP Site 177-1092 from Meteor Rise, South Atlantic. https://doi.org/10.1594/PANGAEA.686236
  6. Flores, J-A; Marino, M (2002): (Table 7) Pleistocene calcareous nannofossil events of ODP Site 177-1093 from Shona Ridge, South Atlantic. https://doi.org/10.1594/PANGAEA.686237
  7. Flores, J-A; Marino, M (2002): (Table 7) Pleistocene calcareous nannofossil events of ODP Site 177-1094 from the southern South Atlantic. https://doi.org/10.1594/PANGAEA.686238
  8. Flores, J-A; Marino, M (2002): (Table A1) Distribution of Pleistocene calcareous nannofossil marker species and morphotypes at ODP Hole 177-1088B from Agulhas Ridge, South Atlantic. https://doi.org/10.1594/PANGAEA.686239
  9. Flores, J-A; Marino, M (2002): (Table A2) Distribution of Pleistocene calcareous nannofossil marker species and morphotypes at ODP Site 177-1089 from Agulhas Ridge, South Atlantic. https://doi.org/10.1594/PANGAEA.686240
  10. Flores, J-A; Marino, M (2002): (Table A3) Distribution of Pleistocene calcareous nannofossil marker species and morphotypes at ODP Site 177-1090 from Agulhas Ridge, South Atlantic. https://doi.org/10.1594/PANGAEA.686242
  11. Flores, J-A; Marino, M (2002): (Table A4) Distribution of Pleistocene calcareous nannofossil marker species and morphotypes at ODP Hole 177-1091A from Meteor Rise, South Atlantic. https://doi.org/10.1594/PANGAEA.686243
  12. Flores, J-A; Marino, M (2002): (Table A5) Distribution of Pleistocene calcareous nannofossil marker species and morphotypes at ODP Site 177-1092 from Meteor Rise, South Atlantic. https://doi.org/10.1594/PANGAEA.686245
  13. Flores, J-A; Marino, M (2002): (Table A6) Distribution of Pleistocene calcareous nannofossil marker species and morphotypes at ODP Site 177-1093 from Shona Ridge, South Atlantic. https://doi.org/10.1594/PANGAEA.686246
  14. Flores, J-A; Marino, M (2002): (Table A7) Distribution of Pleistocene calcareous nannofossil marker species and morphotypes at ODP Site 177-1094 from the southern South Atlantic. https://doi.org/10.1594/PANGAEA.686247