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Keigwin, Lloyd D (2001): Stable isotope ratios and abundances of selected foraminifera taxa from ODP Leg 172 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.788040, Supplement to: Keigwin, LD (2001): Data report: Late Pleistocene stable isotope studies of ODP Sites 1054, 1055, and 1063. In: Keigwin, LD; Rio, D; Acton, GD; Arnold, E (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 172, 1-14, https://doi.org/10.2973/odp.proc.sr.172.213.2001

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Abstract:
This data report describes the results of post-Leg 172 sampling of Sites 1054, 1055, and 1063 for two purposes: to investigate the climatic significance of red-colored intervals in the hemipelagic sediments cored during Leg 172 and to better understand the stratigraphy and chronology of Carolina Slope Sites 1054 and 1055. Gravity cores collected from the Carolina Slope on site survey cruise Knorr 140/2 show very high rates of sedimentation during the Holocene and lower rates during the last glacial maximum (LGM). Because of the high rates, many of the sediments in the recovered cores never reached the LGM. In other cores, it is possible that deglacial oscillations have been mistaken for the LGM. Although radiocarbon dating could solve that problem, some of the gravity cores are at or very close to the Ocean Drilling Program (ODP) sites, and it is useful to compare the isotope stratigraphies among them before proceeding with dating. Furthermore, some of the site survey cores have red-colored intervals and others do not, even though there is some indication they are time equivalent. Either the stratigraphy is wrong, diagenesis has affected the color of the sediment, or red sediment is carried to some sites but not to others that differ in depth by only a few hundred meters.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 33.156647 * Median Longitude: -70.067137 * South-bound Latitude: 32.784000 * West-bound Longitude: -76.300000 * North-bound Latitude: 33.686190 * East-bound Longitude: -57.615110
Date/Time Start: 1997-02-20T20:15:00 * Date/Time End: 1997-04-01T06:20:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Keigwin, LD (2001): (Table T1) Stable isotope ratios of Globigerinoides ruber and Cibicidoides spp. from ODP Hole 172-1054B. https://doi.org/10.1594/PANGAEA.788037
  2. Keigwin, LD (2001): (Table T2) Stable isotope ratios of Globigerinoides ruber and Cibicidoides wuellerstorfi from ODP Hole 172-1055B. https://doi.org/10.1594/PANGAEA.788038
  3. Keigwin, LD (2001): (Table T3) Stable isotope ratios and abundances of foraminifera from ODP Hole 172-1063D. https://doi.org/10.1594/PANGAEA.788039