|
Core, section, interval (cm)
|
Depth (mbsf)
|
K2O (wt%)*
|
Ba* (ppm)
|
Rb* (ppm)
|
Sr*
(ppm) |
87Sr/86Sr
|
2
|
87Sr/86Sr (129 Ma)
|
143Nd/144Nd
|
2
|
Nd (present)
|
Nd (129 Ma)† |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 191-1179D- |
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| 11R-1, 86–88 | 377.96 | 0.17 | 17 | 1.5 | 96 | 0.703300 | 12 | 0.703217 | 0.513189 | 10 | 10.7 | 10.4 |
| 11R-2, 84–86 | 379.31 | 0.42 | 21 | 8.7 | 102 | 0.703379 | 11 | 0.702927 | 0.513168 | 10 | 10.3 | 10.0 |
| 11R-2, 9–135 | 378.57 | 0.84 | 26 | 20 | 96 | 0.703832 | 10 | 0.702744 | 0.513166 | 11 | 10.3 | 9.9 |
| 12R-1, 36–39 | 387.07 | 0.55 | 33 | 9.1 | 100 | 0.703401 | 10 | 0.702921 | 0.513151 | 9 | 10.0 | 9.6 |
| 12R-2, 69–71 | 388.89 | 0.54 | 24 | 12 | 86 | 0.703748 | 8 | 0.703008 | 0.513181 | 10 | 10.6 | 10.2 |
| 12R-2, 143–149 | 389.65 | 0.62 | 28 | 13 | 101 | 0.703586 | 11 | 0.702908 | 0.513149 | 10 | 9.9 | 9.6 |
| 12R-3, 89–92 | 390.60 | 0.30 | 23 | 7.2 | 86 | 0.703719 | 12 | 0.703278 | 0.513200 | 12 | 10.9 | 10.6 |
| 13R-1, 15–18 | 390.56 | 0.40 | 33 | 5.0 | 125 | 0.703264 | 11 | 0.703054 | 0.513139 | 9 | 9.7 | 9.4 |
| 13R-1, 116–120 | 391.58 | 0.48 | 29 | 7.8 | 101 | 0.703569 | 9 | 0.703162 | 0.513147 | 7 | 9.9 | 9.5 |
| 13R-4, 83–85 | 395.60 | 0.62 | 36 | 15 | 102 | 0.703643 | 9 | 0.702863 | 0.513169 | 9 | 10.3 | 10.0 |
| 14R-1, 18–20 | 396.58 | 0.61 | 29 | 15 | 95 | 0.703467 | 10 | 0.702630 | 0.513156 | 9 | 10.1 | 9.7 |
| 14R-2, 63–65 | 398.53 | 0.48 | 30 | 18 | 97 | 0.704035 | 8 | 0.703051 | 0.513132 | 14 | 9.6 | 9.3 |
| 17R-1, 40–42 | 419.20 | 0.77 | 37 | 16 | 150 | 0.703632 | 11 | 0.703066 | 0.513115 | 9 | 9.3 | 8.9 |
| 17R-1, 111–113 | 419.92 | 0.73 | 29 | 18 | 99 | 0.703804 | 10 | 0.702840 | 0.513192 | 9 | 10.8 | 10.4 |
| 17R-2, 11–13 | 420.21 | 0.70 | 32 | 15 | 103 | 0.703692 | 8 | 0.702920 | 0.513164 | 10 | 10.2 | 9.9 |
| 18R-4, 87–90 | 430.34 | 0.34 | 20 | 6.9 | 98 | 0.703229 | 8 | 0.702856 | 0.513189 | 9 | 10.7 | 10.4 |
| 20R-3, 64–67 | 447.49 | 0.22 | 25 | 5.1 | 164 | 0.702955 | 8 | 0.702790 | 0.513176 | 8 | 10.5 | 10.1 |
| 22R-4, 72–75 | 468.82 | 0.06 | 38 | 2.5 | 181 | 0.702886 | 11 | 0.702813 | 0.513130 | 9 | 9.6 | 9.2 |
| 22R-4, 120–123 | 469.30 | 0.53 | 55 | 11 | 165 | 0.703411 | 9 | 0.703058 | 0.513156 | 9 | 10.1 | 9.7 |
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|
Average: | 0.703503 |
|
0.702953 | 0.513162 |
|
10.2 | 9.8 |
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JB-1: | 0.704176 | 12 |
|
0.512755 | 11 |
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SRM987: | 0.710241 | 11 |
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SRM987: | 0.710249 | 11 |
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HHS-1: |
|
|
|
0.511552 | 10 |
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HHS-1: |
|
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|
0.511548 | 10 |
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HHS-1: |
|
|
|
0.511539 | 12 |
|
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Notes: * = Data are from Shipboard Scientific Party (2001) and Y. Hayasaka (unpubl. data). † = epsilon values at 129 Ma are estimated by 147Sm/144Nd = 0.2178, based on element data of average N-MORB (Sun and McDonough, 1989).
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