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Winter, Diane M; Wise, Sherwood W (2001): Calcareous nannofossils from ODP Leg 178. PANGAEA, https://doi.org/10.1594/PANGAEA.737367, Supplement to: Winter, DM; Wise, SW (2001): Calcareous nannofossils from Leg 178, Antarctic Peninsula, Pacific continental margin: Sites 1096 and 1101. In: Barker, PF; Camerlenghi, A; Acton, GD; Ramsay, ATS (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 178, 1-21, https://doi.org/10.2973/odp.proc.sr.178.210.2001

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Abstract:
Sites 1096 and 1101, two hemipelagic sediment drift sites on the continental rise off the northwestern Pacific margin of the Antarctic Peninsula, contained calcareous nannofossils in the upper intervals of each site (downhole to 168.37 meters below seafloor [mbsf] in Hole 1096B and 121.1 mbsf in Hole 1101A). The occurrences were sporadic and observed to be confined to fine-grained intervals. These intervals were interpreted on board to be interglacial and often contained foraminifers as well. Calcareous nannofossils exhibited a reliable stratigraphy during an interval when other fossils groups were absent, quite rare, or reworked.
In total, nine events and three zones were recognized in this study. The base of the Pleistocene was not recorded with calcareous nannofossils, the oldest datum being the first occurrence of medium Gephyrocapsa spp. at 1.69 Ma. All events have been correlated to the paleomagnetic record for each site.
Project(s):
Coverage:
Median Latitude: -66.288967 * Median Longitude: -74.282527 * South-bound Latitude: -67.566817 * West-bound Longitude: -76.963530 * North-bound Latitude: -64.372200 * East-bound Longitude: -70.261180
Date/Time Start: 1998-02-25T00:00:00 * Date/Time End: 1998-03-18T10:30:00
Event(s):
178-1096 * Latitude: -67.566817 * Longitude: -76.963517 * Date/Time: 1998-02-27T00:00:00 * Elevation: -3152.3 m * Penetration: 1009 m * Recovery: 673.3 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 90 cores; 811.2 m cored; 197.8 m drilled; 83% recovery
178-1096A * Latitude: -67.566810 * Longitude: -76.963230 * Date/Time Start: 1998-02-25T00:00:00 * Date/Time End: 1998-02-26T01:45:00 * Elevation: -3152.0 m * Penetration: 140.7 m * Recovery: 118.52 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 15 cores; 140.7 m cored; 0 m drilled; 84.2 % recovery
178-1096B * Latitude: -67.566810 * Longitude: -76.963530 * Date/Time: 1998-02-26T00:00:00 * Elevation: -3152.5 m * Penetration: 260.6 m * Recovery: 209.77 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 32 cores; 260.6 m cored; 0 m drilled; 80.5 % recovery
Size:
5 datasets

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