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Pujol, Claude; Bourrouilh, Robert (1991): Late Miocene to Holocene planktonic foraminifers from the subantarctic South Atlantic [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.754598, Supplement to: Pujol, C; Bourrouilh, R (1991): Late Miocene to Holocene planktonic foraminifers from the subantarctic South Atlantic. In: Ciesielski, PF; Kristoffersen, Y; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 114, 217-232, https://doi.org/10.2973/odp.proc.sr.114.129.1991

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Abstract:
Late Miocene to Holocene planktonic foraminifers from the subantarctic South Atlantic were investigated for their biostratigraphic and environmental significance.
The calcareous planktonic microfauna are of low diversity and are very rare or absent at sites located below the CCD. The sediments recovered from Sites 703 and 704 on the Meteor Rise at about 47°S are useful for biostratigraphic and environmental studies. In the whole sequence 16 species or varieties of planktonic foraminifers were recognized.
Two species occur in the uppermost Miocene. In the Pliocene the Globorotalia puncticulata population can be used to separate the early from the late Pliocene. The Pliocene/Quaternary boundary does not appear to be well distinguished in the foraminiferal assemblage.
A faunal change noted at 2.5 Ma could correspond to the development of glaciation in the Northern Hemisphere and its Antarctic counterpart.
At about 5.2 Ma the first increase in polar fauna near the Meteor Rise occurs. Two other cooling periods are indicated in these sequences at about 4 and 3 Ma. Moreover, the hydrologic environment became more productive at about 2.1 Ma and close to the Brunhes/Matuyama boundary.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -47.605300 * Median Longitude: 3.891695 * South-bound Latitude: -52.985000 * West-bound Longitude: -23.212300 * North-bound Latitude: -46.879000 * East-bound Longitude: 7.894700
Date/Time Start: 1987-04-04T14:35:00 * Date/Time End: 1987-05-03T10:14:00
Event(s):
114-701A * Latitude: -51.985000 * Longitude: -23.212300 * Date/Time Start: 1987-04-04T14:35:00 * Date/Time End: 1987-04-06T06:29:00 * Elevation: -4647.0 m * Penetration: 74.8 m * Recovery: 69.66 m * Location: South Atlantic Ocean * Campaign: Leg114 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 8 cores; 74.8 m cored; 0 m drilled; 93.1 % recovery
114-701C * Latitude: -52.985000 * Longitude: -23.211700 * Date/Time Start: 1987-04-08T01:30:00 * Date/Time End: 1987-04-10T21:15:00 * Elevation: -4647.0 m * Penetration: 481.4 m * Recovery: 331.06 m * Location: South Atlantic Ocean * Campaign: Leg114 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 51 core; 481.3 m cored; 0 m drilled; 68.8 % recovery
114-703A * Latitude: -47.051000 * Longitude: 7.894700 * Date/Time Start: 1987-04-21T04:59:00 * Date/Time End: 1987-04-24T07:14:00 * Elevation: -1807.0 m * Penetration: 377.4 m * Recovery: 192.29 m * Location: South Atlantic Ocean * Campaign: Leg114 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 41 core; 377.4 m cored; 0 m drilled; 51 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Pujol, C; Bourrouilh, R (1991): (Table 2) Distribution and relative abundance of planktonic foraminifers in ODP Hole 114-703A. https://doi.org/10.1594/PANGAEA.754593
  2. Pujol, C; Bourrouilh, R (1991): (Table 3) Distribution and relative abundance of planktonic foraminifers in ODP Hole 114-704A. https://doi.org/10.1594/PANGAEA.754595
  3. Pujol, C; Bourrouilh, R (1991): (Table 4) Distribution and relative abundance of planktonic foraminifers in ODP Hole 114-704B. https://doi.org/10.1594/PANGAEA.754596
  4. Pujol, C; Bourrouilh, R (1991): (Appendix) Composition of coarse fraction of Leg114 samples. https://doi.org/10.1594/PANGAEA.754597