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  • 166-1008A; Age, calibrated; Age, dated; Age, dated standard deviation; Age, Uranium-Thorium; Calculated; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Inductively coupled plasma - mass spectrometry (ICP-MS); Joides Resolution; Leg166; Ocean Drilling Program; ODP; Sample code/label; South Atlantic Ocean; Thorium-230; Thorium-230, standard deviation; Thorium-230/Uranium-238 activity ratio, standard deviation; Thorium-230/Uranium-238 ratio; Thorium-232; Thorium-232, standard deviation; Uranium-238; Uranium-238, standard deviation; δ234 Uranium; δ234 Uranium, standard deviation; δ234 Uranium (0); δ234 Uranium (0), standard deviation  (1)
  • 310-M0005D; 310-M0009B; 310-M0009C; 310-M0009D; 310-M0009E; 310-M0019A; 310-M0020A; AGE; Age, standard deviation; Area/locality; Calcite; Calcite, standard deviation; Calculated, see reference(s); Coral; Depth, reconstructed; Description; DP Hunter; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp310; Hafniasphaera spp.; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS); Sample code/label; TAH-01A-3; TAH-01A-3A; TAH-02A-5A; TAH-02A-5B; TAH-02A-5C; TAH-02A-5E; TAH-03A-4C; Tahiti, offshore Faaa; Tahiti, offshore Maraa; Tahiti, offshore Tiarei; Tahiti Sea Level; Thorium-230/Uranium-238 activity ratio; Thorium-230/Uranium-238 activity ratio, standard deviation; Thorium-232, standard deviation; Thorium-232/Uranium-238 activity ratio; Thorium-232/Uranium-238 activity ratio, standard deviation; Uranium-234/Uranium-238 activity ratio; Uranium-234/Uranium-238 activity ratio, standard deviation; Uranium-238; Uranium-238, standard deviation  (1)
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  • 1
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    Unknown
    (Table S1) Uranium and Thorium isotopes and U/Th ages of IODP Exp310 cores from offshore Tahiti (2009)
    PANGAEA
    In:  Supplement to: Thomas, Alexander L; Henderson, Gideon M; Deschamps, Pierre; Yokoyama, Yusuke; Mason, Andrew J; Bard, Edouard; Hamelin, Bruno; Durand, Nicolas; Camoin, Gilbert (2009): Penultimate deglacial sea-level timing from Uranium/Thorium dating of Tahitian corals. Science, 324(5931), 1186-1189, https://doi.org/10.1126/science.1168754
    Details
    Publication Date: 2024-01-25
    Description: The timing of sea-level change provides important constraints on the mechanisms driving Earth's climate between glacial and interglacial states. Fossil corals constrain the timing of past sea level by their suitability for dating and their growth position close to sea level. The coral-derived age for the last deglaciation is consistent with climate change forced by Northern Hemisphere summer insolation (NHI), but the timing of the penultimate deglaciation is more controversial. We found, by means of uranium/thorium dating of fossil corals, that sea level during the penultimate deglaciation had risen to ~85 meters below the present sea level by 137,000 years ago, and that it fluctuated on a millennial time scale during deglaciation. This indicates that the penultimate deglaciation occurred earlier with respect to NHI than the last deglacial, beginning when NHI was at a minimum.
    Keywords: 310-M0005D; 310-M0009B; 310-M0009C; 310-M0009D; 310-M0009E; 310-M0019A; 310-M0020A; AGE; Age, standard deviation; Area/locality; Calcite; Calcite, standard deviation; Calculated, see reference(s); Coral; Depth, reconstructed; Description; DP Hunter; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp310; Hafniasphaera spp.; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS); Sample code/label; TAH-01A-3; TAH-01A-3A; TAH-02A-5A; TAH-02A-5B; TAH-02A-5C; TAH-02A-5E; TAH-03A-4C; Tahiti, offshore Faaa; Tahiti, offshore Maraa; Tahiti, offshore Tiarei; Tahiti Sea Level; Thorium-230/Uranium-238 activity ratio; Thorium-230/Uranium-238 activity ratio, standard deviation; Thorium-232, standard deviation; Thorium-232/Uranium-238 activity ratio; Thorium-232/Uranium-238 activity ratio, standard deviation; Uranium-234/Uranium-238 activity ratio; Uranium-234/Uranium-238 activity ratio, standard deviation; Uranium-238; Uranium-238, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 678 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    U and Th concentrations and U-TH ages for bulk carbonate samples from ODP Hole 166-1008A (Table 1) (2006)
    PANGAEA
    In:  Supplement to: Henderson, Gideon M; Robinson, Laura F; Cox, Katharine; Thomas, Alexander L (2006): Recognition of non-Milankovitch sea-level highstands at 185 and 343 thousand years ago from U–Th dating of Bahamas sediment. Quaternary Science Reviews, 25(23-24), 3346-3358, https://doi.org/10.1016/j.quascirev.2006.03.003
    Details
    Publication Date: 2024-02-03
    Description: Thirty-one new bulk-sediment U–Th dates are presented, together with an improved d18O stratigraphy, for ODP Site 1008A on the slopes of the Bahamas Banks. These ages supplement and extend those from previous studies and provide constraints on the timing of sea-level highstands associated with marine isotope stages (MIS) 7 and 9. Ages are screened for reliability based on their initial U and Th isotope ratios, and on the aragonite fraction of the sediment. Twelve 'reliable' dates for MIS 7 suggest that its start is concordant with that predicted if climate is forced by northern-hemisphere summer insolation following the theory of Milankovitch. But U–Th and d18O data indicate the presence of an additional highstand which post-dates the expected end of MIS 7 by up to 10 ka. This event is also seen in coral reconstructions of sea-level. It suggests that sea-level is not responding in any simple way to northern-hemisphere summer insolation, and that tuned chronologies which make such an assumption are in error by ~10 ka at this time. U–Th dates for MIS 9 also suggest a potential mismatch between the actual timing of sea-level and that predicted by simple mid-latitude northern-hemisphere forcing. Four dates are earlier than that predicted for the start of MIS 9. Although the most extreme of these dates may not be reliable (based on the low-aragonite content of the sediment) the other three appear robust and suggest that full MIS 9 interglacial conditions were established at 343 ka. This is ~8 ka prior to the date expected if this warm period were driven by northern-hemisphere summer insolation.
    Keywords: 166-1008A; Age, calibrated; Age, dated; Age, dated standard deviation; Age, Uranium-Thorium; Calculated; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Inductively coupled plasma - mass spectrometry (ICP-MS); Joides Resolution; Leg166; Ocean Drilling Program; ODP; Sample code/label; South Atlantic Ocean; Thorium-230; Thorium-230, standard deviation; Thorium-230/Uranium-238 activity ratio, standard deviation; Thorium-230/Uranium-238 ratio; Thorium-232; Thorium-232, standard deviation; Uranium-238; Uranium-238, standard deviation; δ234 Uranium; δ234 Uranium, standard deviation; δ234 Uranium (0); δ234 Uranium (0), standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 527 data points
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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