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Table T13. Interstitial fluid chemistry, Site U1371.

Core, section, interval (cm) Depth (mbsf) pH ISE Alkalinity (mM) TITRAUTO DIC (mM) OI-IC Cl (mM) M-IC SO4 (mM) M-IC SO4 (%) Calc. anom. P (µM) Spec. Si (µM) Spec. Ca (mM) Dx-IC Mg (mM) Dx-IC Na (mM) Dx-IC K (mM) Dx-IC Ca (mM) ICPAES Mg (mM) ICPAES Na (mM) ICPAES K
(mM) ICPAES 		Fe
(µM) ICPAES 		Mn (µM) ICPAES Catwalk sampling
329-U1371E-
1H-1, 0–10 0.05 7.79 3.014 2.894 554.72 28.52 –0.47 9.93 533 10.8 52.4 483.8 12.3 10.3 51.2 465 11.7 9.5 67.7 Yes
1H-1, 40–50 0.45 7.88 3.065 2.964 554.81 28.45 –0.72 13.55 542 10.8 52.6 483.3 12.1 10.6 52.0 470 11.8 8.9 285 No
1H-1, 90–100 0.95 7.90 3.158 3.076 555.93 28.52 –0.67 18.32 530 — — — — 10.6 51.7 471 11.7 9.6 341 No
1H-1, 140–150 1.45 7.79 3.232 3.099 556.04 28.54 –0.63 22.64 602 11.0 53.3 489.0 12.0 10.6 51.8 466 11.6 10.2 352 Yes
1H-2, 40–50 1.95 7.90 3.161 3.041 556.18 28.51 –0.75 21.45 572 10.9 53.1 485.6 11.9 10.5 51.4 467 11.4 9.7 323 No
1H-2, 90–100 2.45 7.89 3.168 3.051 557.16 28.58 –0.70 22.11 536 — — — — 10.4 51.2 465 11.3 9.5 307 No
1H-2, 140–150 2.95 7.78 3.164 3.064 556.59 28.51 –0.83 22.34 598 11.4 56.0 474.1 9.2 10.7 51.4 475 11.7 9.4 179 Yes
1H-3, 40–50 3.45 7.89 3.215 3.023 557.15 28.60 –0.62 25.97 568 — — — — 10.8 52.1 475 11.5 7.5 239 No
1H-3, 90–100 3.95 7.86 3.215 3.096 557.80 28.62 –0.68 27.17 597 11.5 57.1 468.7 8.7 10.6 51.5 468 11.7 8.2 305 No
1H-3, 140–150 4.45 7.80 3.137 3.044 559.71 28.74 –0.58 24.37 583 — — — — 10.7 51.7 472 11.4 8.0 328 Yes
1H-4, 140–150 5.95 7.77 3.102 3.072 558.63 28.57 –1.00 24.44 674 10.8 52.5 483.1 12.1 10.7 51.7 479 12.2 9.7 349 Yes
1H-5, 140–150 7.45 7.78 3.043 2.994 558.70 28.62 –0.83 26.94 674 11.0 52.9 485.3 12.1 10.8 52.0 478 12.1 9.5 340 Yes
2H-1, 140–150 9.65 7.75 3.006 2.950 559.42 28.65 –0.83 26.76 667 10.8 52.2 481.6 12.0 10.5 51.4 469 11.6 10.1 281 Yes
2H-2, 140–150 11.15 7.73 2.993 2.942 559.48 28.57 –1.13 26.56 703 10.8 52.8 485.2 12.1 10.6 51.7 470 12.0 9.3 288 Yes
2H-3, 140–150 12.65 7.82 3.053 3.012 559.98 28.61 –1.10 26.84 668 — — — — 10.6 51.2 466 11.9 8.8 277 Yes
2H-4, 140–150 14.15 7.83 3.031 2.950 560.43 28.57 –1.32 21.52 746 10.7 52.2 481.9 12.1 10.7 51.7 475 12.3 8.4 289 Yes
2H-5, 95–105 15.20 7.74 2.979 2.935 560.03 28.60 –1.14 25.99 759 10.9 52.5 486.5 12.3 10.8 51.9 471 11.8 9.1 271 Yes
3H-1, 140–150 19.15 7.74 3.008 2.879 563.58 28.46 –2.23 18.15 724 — — — — 10.6 50.9 471 11.9 17.5 201 Yes
3H-2, 140–150 20.65 — — ND — — — — — 11.0 52.9 488.3 12.4 — — — — — — Yes
3H-3, 140–150 22.15 7.89 3.094 2.927 563.39 28.45 –2.23 18.95 750 10.9 52.6 491.9 12.7 — — — — — — Yes
3H-4, 140–150 23.65 7.85 2.982 2.946 563.69 28.39 –2.51 21.73 691 11.0 53.2 489.1 12.3 10.9 51.4 483 11.8 12.6 219 Yes
3H-5, 120–130 24.95 7.87 3.001 2.876 563.97 28.46 –2.30 19.67 672 11.0 52.3 489.3 12.6 — — — — — — Yes
4H-1, 140–150 28.65 7.76 2.792 2.790 563.61 28.24 –3.00 19.19 725 — — — — 10.9 52.1 481 11.5 10.5 237 Yes
4H-2, 140–150 30.15 7.76 2.816 2.799 564.74 28.26 –3.11 17.74 661 11.0 52.3 488.8 12.7 — — — — — — Yes
4H-3, 140–150 31.65 7.77 2.720 2.744 563.55 28.20 –3.11 17.65 698 11.0 52.5 489.6 12.1 — — — — — — Yes
4H-4, 140–150 33.15 7.74 2.727 2.790 565.60 28.26 –3.27 14.6 719 11.0 52.5 491.4 12.1 10.8 51.5 478 11.5 11.0 234 Yes
4H-5, 120–130 34.45 7.69 2.745 2.734 565.16 28.23 –3.28 14.12 682 — — — — — — — — — — Yes
5H-1, 140–150 38.15 7.71 2.688 2.753 — — –3.43 14.03 734 11.0 52.3 489.2 11.8 11.1 52.1 480 11.6 9.8 235 Yes
5H-3, 140–150 41.15 7.72 2.662 2.673 565.09 28.06 –3.85 13.45 719 — — — — — — — — — — Yes
5H-4, 140–150 42.65 7.75 2.701 2.684 565.63 28.11 –3.80 11.66 771 11.0 52.7 490.9 11.9 11.0 52.1 481 11.5 10.0 220 Yes
6H-2, 140–150 49.15 7.77 2.635 2.601 — — –3.77 12.33 741 11.2 53.3 494.1 11.8 10.9 51.6 486 11.6 16.1 210 Yes
6H-3, 140–150 50.65 6.86 2.620 2.544 562.40 27.96 –3.74 9.86 734 — 52.3 487.3 11.8 — — — — — — Yes
6H-5, 140–150 53.65 7.90 2.743 2.604 564.89 27.90 –4.40 8.55 725 11.1 52.7 489.9 11.8 — — — — — — Yes
7H-1, 140–150 57.15 7.88 2.660 2.566 574.18 28.26 –4.71 7.33 712 — 53.1 494.5 11.9 10.9 51.2 473 11.0 13.2 175 Yes
7H-3, 140–150 60.15 7.78 2.568 2.555 564.13 27.72 –4.87 7.4 756 — — — — — — — — — — Yes
7H-5, 140–150 63.15 7.72 2.515 2.569 564.53 27.75 –4.84 7.37 781 11.1 52.6 490.7 12.0 11.1 51.7 476 11.4 8.7 204 Yes
8H-1, 140–150 66.65 7.76 2.530 2.559 565.15 27.68 –5.18 7.37 — 11.2 52.3 489.2 12.2 — — — — — — Yes
8H-3, 140–150 69.65 7.71 2.467 2.553 564.80 29.17 — 7.02 769 11.3 52.5 489.4 11.5 11.2 51.8 472 10.9 11.9 210 Yes
8H-5, 140–150 72.65 7.72 2.463 2.511 564.14 27.64 –5.15 6.11 782 11.4 53.0 492.0 11.6 — — — — — — Yes
9H-2, 140–150 76.55 7.70 2.446 2.572 564.34 27.58 –5.37 5.71 753 11.3 52.2 488.6 11.3 11.2 51.9 475 10.6 12.4 213 Yes
9H-4, 140–150 79.55 7.67 2.375 2.528 564.40 27.59 –5.36 4.4 820 11.4 52.6 489.6 11.4 — — — — — — Yes
9H-6, 140–150 82.55 7.67 2.360 2.474 568.11 27.68 –5.66 5.35 811 11.5 53.1 491.0 11.1 11.2 51.7 476 10.8 10.7 209 Yes
10H-1, 140–150 85.65 7.74 2.368 2.448 564.88 27.59 –5.43 4.34 789 — — — — — — — — — — Yes
10H-3, 140–150 88.65 7.77 2.387 2.401 562.32 27.47 –5.43 3.41 852 11.5 53.0 490.1 11.0 11.2 51.6 477 10.9 14.8 187 Yes
10H-5, 140–150 91.65 7.75 2.381 2.444 564.15 27.48 –5.70 3.17 823 11.5 52.7 487.2 10.8             Yes
11H-1, 140–150 95.15 7.71 2.335 2.411 564.93 27.51 –5.72 3.12 844 11.5 52.9 489.9 11.2 11.3 52.1 478 10.4 14.2 197 Yes
11H-3, 140–150 98.15 7.69 2.323 2.424 566.49 27.53 –5.92 2.42 826 — — — — — — — — — — Yes
11H-5, 140–150 101.15 7.67 2.286 2.344 565.40 27.48 –5.90 2.67 816 11.4 52.6 488.3 11.3 11.2 51.8 473 10.5 11.5 196 Yes
12H-2, 140–150 106.15 7.68 2.215 2.282 561.11 26.87 –7.30 1.96 709 11.5 53.2 489.4 10.9 — — — — — — Yes
12H-3, 140–150 107.65 7.66 2.244 2.296 561.30 26.97 –6.99 2.46 672 11.6 53.2 489.7 10.8 — — — — — — Yes
12H-4, 113–123 108.88 7.65 2.204 2.286 559.91 26.52 –8.29 2.17 11.7 53.3 491.4 10.8 11.2 52.7 470 9.5 10.0 183 Yes
13H-1, 140–150 114.15 7.69 2.161 2.193 — — — — — 11.4 52.9 489.4 10.9 — — — — — — Yes
13H-2, 140–150 115.65 7.66 2.174 2.217 — — — — — — — — — 11.3 53.9 465 8.5 9.0 163 Yes
13H-3, 140–150 117.15 7.70 2.219 ND — — — — — 11.5 54.0 485.5 9.6 — — — — — — Yes
13H-4, 140–150 118.65 8.08 2.174 2.221 558.78 26.70 –7.51 — — — — — — — — — — — — Yes
13H-5, 140–150 120.15 8.08 2.201 2.254 — — –8.02 — — — — — — 11.4 54.5 472 9.0 9.5 129 Yes
13H-6, 140–150 121.65 8.07 2.202 2.243 558.03 26.56 –7.86 — — — — — — — — — — — — Yes
13H-7, 29–39 122.04 7.70 2.245 2.282 557.66 26.57 –7.77 1.52 441 — — — — 11.2 53.7 463 8.6 9.8 114 Yes
14H-1, 140–150 123.65 7.69 2.206 2.239 559.80 26.64 –7.88 1.25 413 — — — — — — — — — — Yes
14H-2, 140–150 125.15 — — ND 561.57 26.76 –7.73 — — — — — — 11.4 54.4 470 9.1 8.8 87.0 Yes
14H-3, 40–50 125.65 7.75 2.214 2.226 554.49 26.32 –8.12 1.71 424 — — — — — — — — — — No
14H-3, 90–100 126.15 7.68 2.152 2.211 — — — — — 11.6 55.5 479.7 9.0 — — — — — — No
14H-3, 130–150 126.60 7.71 2.134 2.162 — — — 1.63 372 11.3 53.6 482.4 9.3 11.2 55.3 459 8.3 8.5 72.3 Yes
14H-4, 40–50 127.15 — — ND 552.80 26.08 –8.66 1.22 360 — — — — — — — — — — No
14H-4, 90–100 127.65 — — ND — — — 1.64 370 11.4 — — — 11.2 55.5 451 8.5 8.9 70.1 No
14H-4, 130–150 128.10 7.67 2.032 2.081 — — — 1.53 383 11.6 57.6 471.1 8.7 — — — — — — Yes
14H-6, 56–66 130.31 7.68 2.054 2.100 — — — — — — — — — — — — — — — Yes

ISE = ion-selective electrode, TITRAUTO = automated titration, IC = ion chromatography, OI-IC = Ol analytical lC, M-IC = Metrohm IC, Calc. anom. = calculated anomaly, Spec. = spectrophotometry, ICPAES = inductively coupled plasma–atomic emission spectroscopy. — = no data.

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