Table T2. Carbonate geochemical data, Hole U1380C.
|
Core, section, interval (cm) |
Depth (mbsf) |
CaCO3 (wt%) |
Fraction CaCO3 leached |
δ13C (‰ PDB) |
δ18O (‰ SMOW) |
87Sr/86Sr |
Ba/Ca (mmol/mol) |
Mn/Ca (mmol/mol) |
Sr/Ca (mmol/mol) |
|---|---|---|---|---|---|---|---|---|---|
| 344-U1380C- | |||||||||
| 5R-3, 92–93 | 470.22 | 2.816 | 0.614 | –1.84 | –1.01 | 0.70870 | 0.14 | 10.9 | 1.89 |
| 8R-2, 91–92 | 498.61 | 5.298 | 0.790 | –0.10 | –0.26 | 0.70888 | 0.13 | 5.5 | 3.78 |
| 12R-8, 59–60 | 543.65 | 12.878 | 0.753 | –0.82 | 2.31 | 0.70899 | 0.04 | 2.3 | 1.32 |
| 16R-1, 136–137 | 575.16 | –2.41 | –4.12 | 0.70866 | 0.31 | 7.1 | 1.20 | ||
| 17R-2, 117–118 | 587.20 | –1.77 | –2.25 | 0.70867 | 0.33 | 7.4 | 1.64 | ||
| 20R-2, 87–89 | 614.22 | 0.24 | –2.53 | 0.70846 | 0.06 | 9.7 | 0.43 | ||
| 23R-2, 32–33 | 643.49 | 0.70834 | 0.27 | 6.5 | 0.85 | ||||
| 31R-1, 31–32 | 690.61 | 7.589 | 0.801 | –1.16 | –5.00 | 0.70818 | 0.12 | 5.2 | 0.59 |
| 33R-2, 32–34 | 701.86 | 0.70814 | 0.40 | 6.4 | 0.80 | ||||
| 34R-2, 90–91 | 707.03 | 5.598 | 0.841 | –0.77 | –2.97 | 0.70872 | 0.12 | 7.4 | 1.30 |
| 36R-3, 64–66 | 717.94 | 0.70859 | 0.20 | 5.2 | 1.13 | ||||
| 39R-1, 72–73 | 729.72 | 0.70849 | 0.24 | 5.3 | 1.02 | ||||
| 41R-1, 50–52 | 739.30 | 3.78 | –5.11 | 0.70854 | 0.07 | 13.7 | 0.21 | ||
| 42R-1, 30–31 | 744.00 | 4.99 | –4.13 | 0.70860 | 0.04 | 13.8 | 0.27 | ||
| 42R-1, 30–31* | 744.00 | 4.75 | –3.13 | 0.70863 | 0.05 | 10.7 | 0.40 | ||
| 43R-3, 49–51 | 751.84 | –0.71 | –5.04 | 0.70870 | 0.15 | 9.0 | 0.91 | ||
| 47R-3, 79–81 | 771.35 | 8.138 | 0.814 | –1.10 | –5.82 | 0.70797 | 0.42 | 6.6 | 0.48 |
| 48R-3, 55–57 | 776.24 | 2.99 | 0.607 | –2.62 | –6.35 | 0.70805 | 0.84 | 9.0 | 1.26 |
| 52R-2, 67–68 | 795.97 | 4.85 | –4.25 | 0.70861 | 0.08 | 10.9 | 0.46 | ||
* = duplicate sample. 87Sr/86Sr data normalized to NIST standard NBS-987. Repeated measurements yielded a mean value of 0.701245 ± 0.000027 (2σmean; N = 115). PDB = Peedee belemnite, SMOW = standard mean ocean water.
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