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  • Ocean Drilling Program; ODP  (3)
  • 166-1005A; Age, comment; Age model; Comment; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Joides Resolution; Leg166; Ocean Drilling Program; ODP; South Atlantic Ocean  (2)
Document type
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Years
  • 1
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    Strontium isotope dating of ODP Leg 133 sediments (1993)
    PANGAEA
    In:  Supplement to: McKenzie, Judith A; Isern, Alexandra R; Elderfield, Henry; Williams, Ann C; Swart, Peter K (1993): Strontium isotope dating of paleoceanographic, lithologic, and dolomitization events on the northeastern Australian Margin, Leg 133. In: McKenzie, JA; Davies, PJ; Palmer-Julson, A; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 133, 489-498, https://doi.org/10.2973/odp.proc.sr.133.256.1993
    Details
    Publication Date: 2024-01-09
    Description: The strontium-isotope dating method, based on the strontium-isotope seawater curve, was used to date stratigraphic events recognized in carbonate sediments drilled during Leg 133 on the Queensland and Marion plateaus. The strontium isotope ages of these events are used to correlate paleoceanographic changes, delineated from oxygen isotope signals, and paleoenvironmental or facies changes recorded in the lithostratigraphy. Results indicate that a strong connection exists between prevailing paleoenvironmental conditions and the developmental style of a carbonate platform. Also, the strontium-isotope ages of discrete dolomite intervals within the sequences were determined, indicating that multiple dolomitization events took place and that a hydrodynamically driven process may be currently active within the modern carbonate platform.
    Keywords: Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Paleontology age profile (datum list) of ODP Hole 166-1005A (2005)
    PANGAEA
    Details
    Publication Date: 2024-02-03
    Keywords: 166-1005A; Age, comment; Age model; Comment; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Joides Resolution; Leg166; Ocean Drilling Program; ODP; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 48 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Depth-age model of ODP Hole 166-1005A (2005)
    PANGAEA
    Details
    Publication Date: 2024-02-03
    Keywords: 166-1005A; Age, comment; Age model; Comment; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Joides Resolution; Leg166; Ocean Drilling Program; ODP; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 48 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Stable oxygen isotope ratios of pore waters from ODP Leg 166 sites (2000)
    PANGAEA
    In:  Supplement to: Swart, Peter K (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
    Details
    Publication Date: 2024-01-09
    Description: 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.
    Keywords: Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 5 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Interstitial water δ¹³C and sediment geochemistry of ODP Leg 166 sites (2000)
    PANGAEA
    In:  Supplement to: Kramer, Philip A; Swart, Peter K; De Carlo, Eric Heinen; Schovsbo, Neils H (2000): Overview of interstitial fluid and sediment geochemistry, Sites 1003-1007 (Bahamas Transect). 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, 1-17, https://doi.org/10.2973/odp.proc.sr.166.117.2000
    Details
    Publication Date: 2024-01-09
    Description: A review of interstitial water samples collected from Sites 1003-1007 of the Bahamas Transect along with a shore-based analysis of oxygen and carbon isotopes, minor and trace elements, and sediment chemistry are presented. Results indicate that the pore-fluid profiles in the upper 100 meters below seafloor (mbsf) are marked by shifts between 20 and 40 mbsf that are thought to be caused by changes in sediment reactivity, sedimentation rates, and the influence of strong bottom currents that have been active since the late Pliocene. Pore-fluid profiles in the lower Pliocene-Miocene sequences are dominated by diffusion and do not show significant evidence of subsurface advective flow. Deeper interstitial waters are believed to be the in situ fluids that have evolved through interaction with sediments and diffusion. Pore-fluid chemistry is strongly influenced by carbonate recrystallization processes. Increases in pore-fluid Cl- and Na+ with depth are interpreted to result mainly from carbonate remineralization reactions that are most active near the platform margin. A lateral gradient in detrital clay content observed along the transect, leads to an overall lower carbonate reactivity, and enhances preservation of metastable aragonite further away from the platform margin. Later stage burial diagenesis occurs at slow rates and is limited by the supply of reactive elements through diffusion.
    Keywords: Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
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