Table T7. Geochemistry of interstitial water in sediments sampled from Hole C0021B.
|
Core, section, interval (cm) |
Depth (mbsf) |
Salinity (refractive index)* |
pH |
Alkalinity (mM) |
Chlorinity (mM) |
Br– (mM) |
SO42– (mM) |
PO43– (μM) |
NH4+ (mM) |
Na+ (mM) |
K+ (mM) |
Mg2+ (mM) |
Ca2+ (mM) |
Li (μM) |
B (μM) |
Mn (μM) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 338-C0021B- | ||||||||||||||||
| 1H-4 | 3.7 | 1.33930 | 8.01 | 9.5 | 554.3 | 0.82 | 18.6 | 28.6 | 0.16 | 475 | 12.1 | 49.0 | 7.6 | 35.0 | 535 | 1.1 |
| 2H-3 | 81.6 | 1.33892 | 7.78 | 26.8 | 545.6 | 0.95 | 1.3 | 82.2 | 4.99 | 496 | 10.8 | 32.2 | 2.3 | 30.5 | 421 | 2.8 |
| 3H-4 | 91.7 | 1.33887 | 7.79 | 26.3 | 541.7 | 0.94 | 1.4 | 82.9 | 5.14 | 493 | 10.2 | 31.1 | 2.8 | 32.9 | 388 | 4.5 |
| 4H-6 | 104.9 | 1.33889 | 7.80 | 25.5 | 545.8 | 0.97 | 1.0 | 61.2 | 5.50 | 503 | 10.7 | 29.1 | 3.1 | 35.8 | 391 | 4.3 |
| 5H-2 | 109.9 | 1.33888 | 7.80 | 24.6 | 544.1 | 0.97 | 1.0 | 61.4 | 5.65 | 499 | 10.4 | 28.4 | 3.1 | 34.8 | 376 | 4.3 |
| 6H-3 | 119.5 | 1.33886 | 7.84 | 22.6 | 545.7 | 0.98 | 1.0 | 56.3 | 5.91 | 492 | 9.6 | 26.5 | 3.3 | 36.5 | 357 | 3.9 |
| 7H-4 | 129.9 | 1.33887 | 7.84 | 22.6 | 544.9 | 0.97 | 1.1 | 50.7 | 6.15 | 502 | 9.5 | 26.3 | 3.8 | 37.6 | 342 | 3.9 |
| 8H-2 | 138.0 | 1.33885 | 7.88 | 20.8 | 545.4 | 0.98 | 1.1 | 38.1 | 6.42 | 508 | 9.7 | 25.5 | 3.5 | 40.5 | 335 | 3.1 |
| 9H-2 | 147.5 | 1.33885 | 7.85 | 19.2 | 548.7 | 1.05 | 1.0 | 30.1 | 6.70 | 499 | 9.7 | 23.9 | 3.7 | 41.2 | 299 | 2.5 |
| 10H-8 | 162.1 | 1.33884 | 7.80 | 16.8 | 549.3 | 0.95 | 0.9 | 26.4 | 6.96 | 494 | 10.4 | 22.4 | 3.7 | 42.3 | 297 | 1.6 |
| 12H-2 | 170.0 | 1.33885 | 7.71 | 18.7 | 549.7 | 0.94 | 1.3 | 48.2 | 6.88 | 501 | 8.9 | 23.3 | 5.0 | 41.1 | 328 | 2.6 |
| 13T-3 | 177.4 | 1.33887 | 7.91 | 19.0 | 547.6 | 1.00 | 1.4 | 57.4 | 6.82 | 506 | 9.1 | 23.3 | 5.5 | 40.1 | 321 | 2.8 |
| 14T-2 | 186.4 | 1.33886 | 7.73 | 17.3 | 546.5 | 1.01 | 2.4 | 73.9 | 6.87 | 501 | 8.9 | 23.9 | 6.0 | 38.3 | 321 | 3.7 |
* = data not corrected.
| Core, section, interval (cm) | Depth (mbsf) |
Fe (μM) |
Si (μM) |
Sr (μM) |
Ba (μM) |
V (nM) |
Cu (nM) |
Zn (nM) |
Rb (nM) |
Mo (nM) |
Cs (nM) |
Pb (nM) |
U (nM) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 338-C0021B- | |||||||||||||
| 1H-4 | 3.7 | 2.78 | 783 | 83.3 | 1.0 | 39.5 | 35 | 600 | 1,609 | 3 | 3.10 | 0.46 | 2.44 |
| 2H-3 | 81.6 | 4.86 | 863 | 84.6 | 98.9 | 27.5 | 2,976 | 1,388 | 1,223 | 48 | 4.74 | 0.17 | 2.15 |
| 3H-4 | 91.7 | 3.37 | 727 | 84.6 | 93.5 | 23.1 | 785 | 486 | 1,171 | 21 | 5.21 | 0.12 | 1.09 |
| 4H-6 | 104.9 | 5.85 | 837 | 86.7 | 89.6 | 24.4 | 1,754 | 552 | 1,197 | 18 | 5.57 | 0.13 | 1.06 |
| 5H-2 | 109.9 | 6.06 | 845 | 85.3 | 87.3 | 21.6 | 2,466 | 419 | 1,112 | 34 | 4.62 | 0.15 | 2.08 |
| 6H-3 | 119.5 | 3.37 | 804 | 85.3 | 83.9 | 23.3 | 503 | 331 | 1,130 | 15 | 5.45 | 0.10 | 1.68 |
| 7H-4 | 129.9 | 5.25 | 876 | 86.8 | 79.0 | 18.0 | 363 | 499 | 1,085 | 27 | 5.08 | 0.00 | 0.82 |
| 8H-2 | 138.0 | 5.83 | 857 | 83.8 | 75.6 | 21.5 | 1,463 | 509 | 1,064 | 65 | 4.74 | 0.16 | 1.97 |
| 9H-2 | 147.5 | 1.56 | 747 | 85.1 | 69.5 | 19.8 | 327 | 408 | 1,075 | 43 | 4.90 | 0.00 | 2.66 |
| 10H-8 | 162.1 | 1.68 | 809 | 81.7 | 60.4 | 24.8 | 1,164 | 384 | 1,060 | 217 | 5.23 | 0.37 | 2.73 |
| 12H-2 | 170.0 | 3.58 | 933 | 88.7 | 52.7 | 16.2 | 618 | 336 | 921 | 27 | 3.96 | 0.00 | 0.73 |
| 13T-3 | 177.4 | 1.48 | 841 | 90.9 | 49.3 | 24.1 | 141 | 339 | 945 | 136 | 4.48 | 0.30 | 2.30 |
| 14T-2 | 186.4 | 3.34 | 722 | 90.9 | 41.6 | 17.1 | 80 | 264 | 914 | 88 | 4.11 | 0.00 | 1.37 |
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