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Mackensen, Andreas; Berggren, William A (1992): Paleogene benthic foraminifera from the Kerguelen Plateau [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.728746, Supplement to: Mackensen, A; Berggren, WA (1992): Paleogene benthic foraminifers from the southern Indian Ocean (Kerguelen Plateau): biostratigraphy and paleoecology. In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 603-630, https://doi.org/10.2973/odp.proc.sr.120.168.1992

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Abstract:
Benthic foraminifers were studied from lower Paleocene through upper Oligocene sections from Sites 747 and 748. The composition of the benthic foraminifer species suggests a middle to lower bathyal (600-2000 m) paleodepth during the Neogene and a probable upper abyssal (2000-3000 m) paleodepth during the Paleocene at Site 747. Site 748 is thought to have remained at middle to lower bathyal paleodepths throughout the Cenozoic. Principal component analysis distinguished four major benthic foraminifer assemblages: (1) a Paleocene Stensioina beccariiformis assemblage at Sites 747 and 748, (2) an early Eocene Nuttallides truempyi assemblage at lower bathyal Site 747, (3) an early through middle Eocene Stilostomella-Lenticulina assemblage at middle bathyal Site 748, and (4) a latest Eocene through Oligocene Cibicidoides-Astrononion pusillum assemblage at both sites. Major benthic foraminifer changes, as indicated by the principal components and first and last appearances, occurred at or close to the Paleocene/Eocene boundary, and in the late Eocene close to the middle/late Eocene boundary.
Project(s):
Coverage:
Median Latitude: -56.626000 * Median Longitude: 77.896050 * South-bound Latitude: -58.441000 * West-bound Longitude: 76.794000 * North-bound Latitude: -54.811000 * East-bound Longitude: 78.998100
Date/Time Start: 1988-03-06T00:00:00 * Date/Time End: 1988-03-23T22:54:00
Event(s):
120-747 * Latitude: -54.811000 * Longitude: 76.794000 * Date/Time Start: 1988-03-06T00:00:00 * Date/Time End: 1988-03-12T00:00:00 * Elevation: -1706.7 m * Penetration: 656.8 m * Recovery: 325.8 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg120 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 49 cores; 450.8 m cored; 0 m drilled; 72.3% recovery
120-747A * Latitude: -54.811000 * Longitude: 76.794000 * Date/Time Start: 1988-03-06T22:30:00 * Date/Time End: 1988-03-08T17:15:00 * Elevation: -1706.0 m * Penetration: 256 m * Recovery: 227.34 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg120 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 27 cores; 256 m cored; 0 m drilled; 88.8 % recovery
120-747C * Latitude: -54.811000 * Longitude: 76.794000 * Date/Time Start: 1988-03-09T06:45:00 * Date/Time End: 1988-03-12T17:00:00 * Elevation: -1706.0 m * Penetration: 350.5 m * Recovery: 49.5 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg120 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 16 cores; 144.5 m cored; 0 m drilled; 34.3 % recovery
Size:
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