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Marino, Maria; Flores, José-Abel (2002): Calcareous nannofossils of ODP sites 177-1088 and 177-1090. PANGAEA, https://doi.org/10.1594/PANGAEA.738558, Supplement to: Marino, M; Flores, J-A (2002): Data Report: Calcareous nannofossil stratigraphy at sites 1088 and 1090 (ODP Leg 177, Southern Ocean). In: Gersonde, R; Hodell, DA; Blum, P (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 177, 1-14, https://doi.org/10.2973/odp.proc.sr.177.113.2002

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Abstract:
During ODP Leg 177, a Miocene to Pliocene calcareous nannofossil record was recovered at Sites 1088 and 1090. Site 1088, located at 41°8'S, shows a continuous middle-upper Miocene to Pliocene carbonate sequence that was deposited at relatively high sedimentation rates (Shipboard Scientific Party, 1999a, doi:10.2973/odp.proc.ir.177.103.1999). Moreover, Site 1088 proved suitable for calcareous nannofossil analysis as a means to improve the biostratigraphy at this southern latitude.
Site 1090 was drilled at 42°54'S; a tephra layer marks a significant disconformity at the Miocene/Pliocene boundary of this sequence (Shipboard Scientific Party, 1999b, doi:10.2973/odp.proc.ir.177.105.1999). Although nannofossil assemblages are poorly preserved at this site (Shipboard Scientific Party, 1999b), they may help in determining the age of the disconformity and its paleoceanographic significance.
Project(s):
Coverage:
Median Latitude: -41.728620 * Median Longitude: 12.008477 * South-bound Latitude: -42.913700 * West-bound Longitude: 8.899700 * North-bound Latitude: -41.136060 * East-bound Longitude: 13.562900
Date/Time Start: 1997-12-17T09:45:00 * Date/Time End: 1997-12-28T14:55:00
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 * Method/Device: Drilling/drill rig (DRILL) * Comment: 14 cores; 129 m cored; 0 m drilled; 97.3 % recovery
177-1088C * Latitude: -41.136100 * Longitude: 13.562900 * Date/Time: 1997-12-17T23:15:00 * Elevation: -2082.9 m * Penetration: 233.4 m * Recovery: 93.86 m * Location: South Atlantic Ocean * Campaign: Leg177 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 13 cores; 114.9 m cored; 118.5 m drilled; 81.7 % recovery
177-1090B * Latitude: -42.913700 * Longitude: 8.899700 * Date/Time Start: 1997-12-26T15:22:00 * Date/Time End: 1997-12-28T14:55:00 * Elevation: -3699.4 m * Penetration: 397.5 m * Recovery: 373.23 m * Location: South Atlantic Ocean * Campaign: Leg177 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 43 cores; 397.5 m cored; 0 m drilled; 93.9 % recovery
Size:
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