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Swart, Peter K (2000): Stable oxygen isotope ratios of pore waters from ODP Leg 166 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.800270, Supplement to: Swart, PK (2000): The oxygen isotopic composition of interstitial waters: evidence for fluid flow and recrystallization in the margin of Great Bahama Bank. In: Swart, PK; Eberli, GP; Malone, MJ; Sarg, JF (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 166, 1-8, https://doi.org/10.2973/odp.proc.sr.166.130.2000

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Abstract:
This study investigates the d18O of pore waters from Sites 1003 through 1007, drilled along the western margin of the Great Bahama Bank during Leg 166 of the Ocean Drilling Program. These pore waters generally show a positive correlation between d18O and the concentration of chloride. The exception to this trend is Site 1006, where the pore waters exhibit nonlinear behavior with respect to chloride. The correlation between the concentration of Cl- and d18O at most of the sites appears to be a coincidence because although the increase in Cl- is a result of diffusion from an underlying source, the increases in d18O result from the recrystallization of metastable carbonates in the presence of a geothermal gradient. The difference in behavior in the d18O of the pore water at Site 1006 is probably a result of the relative reduced rate of carbonate recrystallization at this site. The d18O of the pore waters in the upper portion of the cores shows a pattern similar to the concentration of chloride in that there is an interval of 30-50 m in which neither the d18O nor the concentration of Cl- changes. This interval is consistent with either an interval of very rapid deposition of sediment or the advection of fluid through the platform. Both the d18O and the concentration of Cl- increase toward the platform, suggesting an input of saline and isotopically heavy water from the platform surface.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 24.513485 * Median Longitude: -79.305411 * South-bound Latitude: 24.399800 * West-bound Longitude: -79.459000 * North-bound Latitude: 24.562900 * East-bound Longitude: -79.235700
Date/Time Start: 1996-02-28T13:12:00 * Date/Time End: 1996-04-08T15:18:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
5 datasets

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Datasets listed in this publication series

  1. Swart, PK (2000): (Table 1) Stable oxygen isotope ratios of pore waters from ODP Site 166-1003. https://doi.org/10.1594/PANGAEA.800265
  2. Swart, PK (2000): (Table 2) Stable oxygen isotope ratios of pore waters from ODP Hole 166-1004A. https://doi.org/10.1594/PANGAEA.800266
  3. Swart, PK (2000): (Table 3) Stable oxygen isotope ratios of pore waters from ODP Site 166-1005. https://doi.org/10.1594/PANGAEA.800267
  4. Swart, PK (2000): (Table 4) Stable oxygen isotope ratios of pore waters from ODP Hole 166-1006A. https://doi.org/10.1594/PANGAEA.800268
  5. Swart, PK (2000): (Table 5) Stable oxygen isotope ratios of pore waters from ODP Site 166-1007. https://doi.org/10.1594/PANGAEA.800269