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Table T31. Geochemistry of interstitial water in sampled sediment, Holes C0002H, C0002J, C0002K, and C0002L, based on the GRIND method. (Continued on next page.)

Core, section,
interval (cm)
Depth
(mbsf)
Extraction
method
pH Salinity
(refractive index)*
Alkalinity
(mM)
Chlorinity
(mM)
Br
(mM)
SO42–
(mM)
PO43–
(µM)
NH4+
(mM)
Na+
(mM)
K+
(mM)
Mg2+
(mM)
Ca2+
(mM)
Li
(µM)
B
(µM)
338-C0002H-                                
2R-2, 0–11 1111.1 GRIND-1 7.19 1.33583 4.0 461.4 0.88 8.42 ND 1.6 412 8.4 14.6 18.6 303 475
2R-2, 0–11 1111.1 GRIND-2 7.79 1.33573 3.5 446.0 0.77 7.13 ND 1.6 389 7.5 11.6 18.2 315 522
338-C0002J-                                
1R-6, 2–6.8 903.6 GRIND-1 7.88 1.33611 5.1 478.7 0.93 2.36 6.4 3.0 464 9.39 9.68 8.93 280 225
1R-6, 2–6.8 903.6 GRIND-2 7.81 1.33607 5.4 507.1 0.89 2.39 2.2 2.9 444 8.72 8.74 8.12 265 275
3R-3, 17.5–20.5 913.5 GRIND-1 7.81 1.33632 4.6 468.3 0.86 4.09 3.5 2.7 419 7.70 10.6 9.09 234 223
3R-3, 17.5–20.5 913.5 GRIND-2 7.70 1.33628 4.4 429.9 0.84 4.45 4.5 2.6 420 7.68 10.8 8.95 235 247
4R-2, 0–2 917.6 GRIND-1 7.75 1.33645 5.0 412.4 0.88 4.72 4.0 2.7 445 7.69 12.3 10.4 241 249
4R-2, 0–2 917.6 GRIND-2 7.71 1.33651 4.9 430.2 0.96 4.38 5.7 2.6 448 7.28 12.2 10.5 247 288
5R-2, 0–2 922.4 GRIND-1 7.74 1.33610 3.6 488.2 0.93 2.40 4.1 2.8 448 7.76 9.30 9.65 259 232
5R-2, 0–2 922.4 GRIND-2 8.04 1.33611 3.4 525.0 0.99 2.46 2.7 2.6 438 7.04 8.96 9.58 251 235
7R-1, 60–65 932.6 GRIND-1 1.33597 3.7 518.9 0.93 5.25 8.0 2.5 442 12.7 13.4 12.0 332 285
7R-1, 60–65 932.6 GRIND-2 1.33596 3.9 475.1 0.90 4.66 3.6 2.5 427 11.9 12.2 12.0 328 290
338-C0002K-                                
5T-6, 25–30 224.1 GRIND-1 8.05 1.33695 29.8 485.8 1.15 2.00 108 12.7 470 9.9 20.9 2.3 65 335
5T-6, 25–30 224.1 GRIND-2 8.06 1.33688 30.4 481.3 1.10 1.68 127 12.3 457 9.5 19.9 2.2 63 335
10X–2, 26–31 267.9 GRIND-1 8.15 1.33617 27.6 442.2 0.97 2.27 31 12.0 432 11.7 13.7 2.7 92 367
10X–2, 26–31 267.9 GRIND-2 8.12 1.33632 28.3 467.1 1.02 2.34 33 12.3 405 9.9 13.1 2.6 90 384
338-C0002L-                                
5X-3, 0–5 317.1 GRIND-1 8.25 1.33591 24.8 382.8 0.84 1.69 59 10.6 295 7.2 7.8 1.6 62 211
5X-3, 0–5 317.1 GRIND-2 8.29 1.33587 25.3 369.8 0.84 1.50 78 10.3 367 8.4 9.6 1.7 56 216
10X-3, 33.5–38.5 364.7 GRIND-1 8.22 1.33592 23.0 392.2 0.81 4.22 21 10.7 385 10.0 12.0 3.1 58 215
10X-3, 33.5–38.5 364.7 GRIND-2 8.19 1.33582 24.6 390.5 0.80 3.79 29 10.9 376 8.6 11.6 2.8 56 220
15X-4, 36.5–41.5 412.2 GRIND-1 8.16 1.33567 22.5 359.7 0.72 2.57 37 9.3 363 7.0 10.3 2.7 75 175
15X-4, 36.5–41.5 412.2 GRIND-2 8.29 1.33564 23.1 359.5 0.74 1.82 35 9.5 354 6.3 9.4 2.6 73 165
20X-2, 0–5 458.6 GRIND-1 8.06 1.33572 15.8 376.4 0.75 2.40 24 9.4 365 7.5 8.9 3.2 71 180
20X-2, 0–5 458.6 GRIND-2 7.97 1.33592 18.8 412.1 0.86 1.99 26 9.6 405 8.4 10.7 4.0 82 208

* = data not corrected. GRIND Runs 1 and 2 use Milli-Q water and diluted HNO3 solution with pH adjusted to 3. Analytical data are corrected to be the primary concentrations of interstitial water using dilution rate (see text) except the pH and salinity. ND = not detected.

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