Iwai, Masao; Acton, Gary D; Lazarus, David B; Osterman, Lisa Ellen; Williams, Trevor (2002): Biostratigraphic datums and magnetic properties of ODP Leg 178 sites. PANGAEA, https://doi.org/10.1594/PANGAEA.787319, Supplement to: Iwai, M et al. (2002): Magnetobiochronologic synthesis of ODP Leg 178 rise sediments from the Pacific sector of the Southern Ocean: Sites 1095, 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, 1-40, https://doi.org/10.2973/odp.proc.sr.178.236.2002
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During Ocean Drilling Program (ODP) Leg 178, eight holes were drilled at three sites (1095, 1096, and 1101) on the continental rise along the western Antarctic Peninsula. The rise sediments proved to be good paleomagnetic recorders and provided continuous magnetostratigraphic records at all three sites. Biosiliceous microfossils, particularly diatoms and radiolarians, were present in the upper Miocene through lower Pliocene sections. In the upper Pliocene to Pleistocene sections, biosiliceous microfossils were rare but calcareous nannofossils and foraminifers were present. This paper summarizes the biostratigraphy and magnetostratigraphy of Leg 178 continental rise sites and is the first attempt at direct calibration of Antarctic biostratigraphic events to the geomagnetic polarity timescale in the Pacific sector of the Southern Ocean.
Median Latitude: -66.700030 * Median Longitude: -76.974326 * South-bound Latitude: -67.566810 * West-bound Longitude: -78.488080 * 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