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Winter, Diane M; Iwai, Masao (2002): Diatom abundance in ODP Leg 178 holes. PANGAEA, https://doi.org/10.1594/PANGAEA.737659, Supplement to: Winter, DM; Iwai, M (2002): Data report: Neogene diatom biostratigraphy, Antarctic Peninsula Pacific margin, ODP Leg 178 rise sites. 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, 1-25, https://doi.org/10.2973/odp.proc.sr.178.230.2002

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Abstract:
This paper documents the biostratigraphic distribution and abundance of diatoms from sites drilled during Ocean Drilling Program Leg 178, off the Pacific margin of the Antarctic Peninsula. Drift sediments cored on the continental rise at Sites 1095, 1096, and 1101 have good recovery and a well-defined paleomagnetic record. Well-preserved diatoms are present throughout the upper Miocene to middle Pliocene and in the upper Quaternary section of these sites. The stratigraphic occurrence of diatom species through these intervals defines numerous datum levels. Diatom events are given absolute age estimates through direct correlation to the established paleomagnetic stratigraphy of Sites 1095, 1096, and 1101. Leg 178 diatom biostratigraphic results enable the development of a regional stratigraphic framework for the Pacific sector of the Southern Ocean and record the interaction of open-ocean and shelf-margin diatom floras.
Project(s):
Coverage:
Median Latitude: -66.811607 * Median Longitude: -75.927913 * South-bound Latitude: -67.566810 * West-bound Longitude: -78.488250 * North-bound Latitude: -64.372200 * East-bound Longitude: -70.261180
Date/Time Start: 1998-02-17T16:15:00 * Date/Time End: 1998-03-18T10:30:00
Event(s):
178-1095A * Latitude: -66.985450 * Longitude: -78.487310 * Date/Time Start: 1998-02-17T16:15:00 * Date/Time End: 1998-02-18T19:30:00 * Elevation: -3841.6 m * Penetration: 87.3 m * Recovery: 86.48 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 10 cores; 87.3 m cored; 0 m drilled; 99.1 % recovery
178-1095B * Latitude: -66.985450 * Longitude: -78.487820 * Date/Time: 1998-02-18T00:00:00 * Elevation: -3841.6 m * Penetration: 570.2 m * Recovery: 385.75 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 52 cores; 487.2 m cored; 83 m drilled; 79.2 % recovery
178-1095C * Latitude: -66.985360 * Longitude: -78.488250 * Date/Time: 1998-02-24T00:00:00 * Elevation: -3841.6 m * Penetration: 2.9 m * Recovery: 2.87 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 1 core; 2.9 m cored; 0 m drilled; 99 % recovery
Size:
5 datasets

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