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Table T5. Interstitial water data, Holes U1316A, U1316B, and U1316C.

Core, section,
interval (cm)		 Depth
(mbsf)		 pH Alkalinity
(mM)		 Trace elements (µm) Cations (mM) DIC
(mM)		 SO4
(mM)		 Chlorinity NH4+
(µM)
B Ba Fe Li Mn Si Sr Ca Mg IC
(mM)		 titr.
(mM)
307-U1316A-
1H-3, 145–150 4.45 7.51 7.24 536 1.51 37.2 32.0 6.80 171 92.4 8.73 50.5 8.21 21.9 578 565 594
2H-3, 140–150 11.70 7.33 5.99 558 0.771 62.8 32.0 3.86 242 94.2 8.06 49.4 7.08 18.4 567 570 677
3H-3, 140–150 21.20 7.57 5.25 548 0.860 26.1 32.5 2.82 158 130 8.28 46.0 6.06 18.7 574 ND ND
4H-3, 140–150 30.70 7.43 6.07 585 1.05 12.2 39.7 4.25 231 176 9.58 51.1 7.27 18.1 573 575 670
5H-3, 140–150 40.20 7.44 6.45 814 1.14 20.7 53.6 3.36 263 248 8.16 44.0 7.72 16.3 572 573 734
6H-3, 140–150 49.70 7.44 7.03 856 0.476 25.3 71.4 2.18 308 321 8.75 44.7 8.25 15.1 585 574 838
7H-1, 140–150 56.20 7.55 8.14 733 0.753 12.0 77.0 1.50 779 324 9.83 45.7 9.52 14.4 584 570 918
8H-2, 140–150 66.29 7.34 9.20 1070 0.718 3.88 114 1.38 919 470 10.2 43.0 11.3 12.2 575 568 988
10X-2, 140–150 78.70 7.33 13.7 1140 1.51 5.59 147 2.91 1080 524 11.6 43.5 16.7 11.3 577 573 ND
11X-2, 140–150 81.20 7.29 11.4 1190 1.78 7.52 176 1.45 1060 507 11.0 40.6 13.9 8.79 592 572 ND
12X-1, 140–150 84.70 7.32 11.8 1380 1.17 4.23 163 1.54 1020 622 10.9 42.4 12.9 8.92 575 573 ND
13X-2, 140–150 90.70 7.42 11.6 1330 1.05 7.75 175 1.34 850 620 10.2 38.3 13.4 6.54 579 574 ND
15X-1, 25–35 94.55 7.60 10.6 1530 4.58 1.94 193 1.44 840 765 9.7 40.6 ND 7.32 577 579 ND
16X-3, 140–150 103.40 7.27 13.2 1720 2.43 23.1 228 1.47 1180 905 10.7 39.9 14.9 5.80 581 578 ND
17X-1, 7–17 108.67 7.42 12.3 1940 3.37 17.5 231 1.43 1040 1010 11.3 40.2 12.1 7.76 576 574 ND
18X-3, 140–150 116.70 7.19 11.9 2060 7.70 28.5 281 1.80 1150 865 13.4 37.2 14.4 4.24 581 578 ND
19X-1, 39–49 118.69 7.37 10.8 2230 1.97 10.6 273 1.33 910 1120 11.1 38.6 12.7 5.49 563 579 ND
20X-1, 75–85 119.55 7.21 11.3 3130 4.73 13.1 354 1.43 1200 894 16.7 30.9 14.0 4.35 565 583 ND
21X-3, 140–150 129.70 7.35 9.86 1470 3.10 1.28 172 1.14 434 676 12.1 36.1 12.1 6.23 565 583 ND
307-U1316B-
1H-1, 140–150 1.40 7.42 4.90 475 0.526 99.5 32.2 6.98 234 89.8 10.6 51.8 4.66 25.2 571 573 242
1H-3, 190–200 4.90 7.59 7.36 479 0.754 54.7 32.8 5.51 204 96.4 9.16 50.3 6.89 20.9 574 577 605
2H-1, 140–150 6.90 7.47 7.23 524 0.616 49.9 34.1 2.63 213 95.0 8.49 49.9 6.75 19.7 572 570 660
2H-3, 190–200 10.40 7.45 6.39 542 0.570 75.6 34.8 2.35 314 103 8.46 49.3 6.02 18.8 567 ND 625
3H-1, 140–150 16.40 7.50 5.64 528 0.553 29.4 34.2 2.85 172 115 8.47 47.5 5.12 18.3 570 577 701
3H-3, 190–200 19.90 7.50 5.40 512 0.556 30.1 35.4 2.99 221 127 8.96 46.8 1.81 18.5 572 573 658
4H-1, 140–150 25.90 7.46 5.49 568 0.471 67.2 36.6 2.08 192 152 10.1 46.6 5.08 19.1 577 579 651
4H-3, 190–200 29.40 7.61 5.92 573 0.582 20.5 39.1 2.31 230 172 11.6 48.6 5.23 19.4 587 574 596
5H-1, 140–150 35.40 7.47 6.53 631 0.651 13.8 49.1 2.67 321 203 8.94 48.1 5.83 18.8 575 578 605
5H-3, 190–200 38.90 7.44 6.51 614 0.582 45.9 48.6 2.44 268 224 8.48 45.9 6.10 18.1 573 575 767
6H-1, 140–150 44.90 7.49 6.44 617 0.540 26.0 57.6 1.23 190 259 10.7 45.0 6.24 17.2 584 576 ND
6H-3, 190–200 48.40 7.69 6.86 706 0.626 75.8 65.8 1.36 297 290 8.85 45.4 5.64 16.8 569 ND 782
307-U1316C-
4R-4, 135–150 74.25 7.64 9.80 1110 0.82 0 143 0.39 799 536 10.0 41.9 10.3 11.9 578 578 1145
5R-3, 135–150 82.35 7.42 11.6 1320 1.08 0 165 0 819 622 10.2 41.5 11.8 9.93 577 577 1238
6R-3, 74–94 90.90 7.39 12.4 1490 0.85 0 189 0 818 707 10.1 39.3 ND 7.63 578 578 1504
7R-2, 130–150 100.00 7.41 12.7 1650 1.13 2.45 216 0 801 801 9.94 38.4 12.5 ND 587 587 1566
8R-2, 130–150 109.70 7.26 11.4 1820 7.67 0 240 0.86 852 891 10.8 38.5 12.1 6.46 581 581 1634
9R-4, 130–150 122.40 ND ND ND ND ND ND ND ND ND ND ND ND 7.06 581 581 1712
11R-3, 140–150 137.80 ND ND 1930 1.45 0 331 0 655 1090 12.2 34.7 ND 7.06 571 571 1915

Notes: DIC = dissolved inorganic carbon, IC = ion chromatography, titr. = titration. ND = not determined.

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