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Table T7. Sulfate-corrected pore fluid major element concentrations, Site U1413.

Core, section,
interval (cm)		 Depth
(mbsf)		 Salinity Alkalinity
(mM)		 Cl IC
(mM)		 Cl titr.
(mM)		 Br
(mM)		 Na
(mM)		 K
(mM)		 Ca
(mM)		 Mg
(mM)		 NH4
(mM)
344-U1413A-
1H-2, 138–150 3.0 34.0 6.12 554 551 0.878 479 11.7 8.64 50.4 0.434
1H-4, 110–122 5.6 35.0 4.72 550 551 0.870 477 11.7 8.98 50.8 0.296
2H-2, 138–150 9.5 35.0 6.66 550 552 0.865 465 11.3 8.53 49.2 0.387
2H-5, 138–150 14.0 34.5 13.88 560 554 0.895 468 11.6 7.11 48.0 0.888
3H-2, 100–112 18.3 33.0 — 553 — 0.927 447 10.8 2.94 41.8 2.63
3H-6, 140–152 24.4 33.0 30.27 552 552 0.988 453 10.5 2.85 48.9 5.40
4H-1, 136–151 27.0 32.5 32.71 552 549 1.02 466 12.2 2.25 44.9 6.33
4H-4, 137–152 31.3 33.5 36.92 — 552 — 456 11.8 2.35 45.5 7.08
5H-2, 135–150 37.9 33.0 35.38 553 550 1.12 451 11.5 2.04 45.6 7.55
5H-5, 135–150 42.2 33.0 35.82 553 552 1.14 446 11.6 1.63 44.1 7.87
6H-2, 137–152 46.7 33.0 34.50 552 552 1.18 441 10.6 1.62 44.4 7.43
6H-4, 135–150 49.7 33.0 29.31 553 554 1.19 451 12.7 1.13 39.8 8.14
8H-2, 131–151 63.4 32.5 28.44 548 550 1.25 438 10.0 2.10 40.9 7.13
8H-5, 136–156 67.9 32.5 27.42 550 555 1.26 433 10.2 2.14 40.7 7.07
9H-2, 132–154 72.8 32.5 29.24 565 553 1.31 453 11.4 2.19 42.2 7.72
9H-5, 133–155 77.2 32.5 29.28 549 552 1.29 456 11.1 2.40 43.7 7.56
10H-2, 130–152 82.2 33.0 30.71 550 553 1.30 449 11.2 2.38 43.4 7.72
10H-5, 131–153 86.7 33.0 32.17 552 553 1.32 456 11.1 2.61 46.2 7.46
11H-2, 129–151 91.7 33.0 33.74 552 555 1.34 456 11.0 2.66 47.9 7.52
11H-5, 130–152 96.1 33.0 32.72 553 553 1.34 456 10.9 2.59 48.5 7.13
12H-1, 128–150 99.2 33.0 33.02 552 554 1.34 456 11.2 2.16 43.3 7.09
12H-4, 109–131 103.3 33.0 32.23 551 556 1.34 457 10.5 2.91 49.9 6.93
13H-2, 130–152 108.3 33.0 29.79 553 555 1.36 456 10.4 2.77 48.4 6.91
13H-4, 130–152 111.3 33.0 29.49 552 556 1.37 447 10.4 3.50 47.2 6.97
14H-3, 128–150 117.4 33.0 26.94 552 556 1.37 444 10.3 3.05 45.8 6.49
15H-2, 130–152 121.4 33.0 25.05 556 554 1.38 450 9.76 3.32 47.0 6.20
16H-2, 126–150 127.1 32.5 23.02 554 557 1.39 462 10.2 3.50 47.2 6.09
17H-2, 80–102 131.7 32.5 21.80 554 558 1.40 472 10.3 3.61 48.0 6.04
17H-4, 128–150 134.6 33.0 21.28 555 559 1.40 471 10.0 3.66 48.1 5.83
18H-2, 130–152 138.4 32.5 19.27 556 559 1.41 468 9.96 3.64 46.6 5.81
19X-4, 97–122 145.9 32.5 19.43 558 559 1.46 457 9.00 3.50 46.2 5.50
20X-4, 65–90 154.6 32.0 14.29 552 — 1.42 469 8.84 3.88 44.4 4.85
20X-6, 109–134 157.2 31.5 — 549 550 1.41 455 8.41 4.07 44.4 4.70
21X-3, 125–150 164.1 31.5 12.09 554 555 1.45 464 8.19 4.72 42.7 4.94
22X-1, 56–85 170.3 31.5 9.78 555 561 1.47 467 8.15 5.08 40.0 5.22
24X-1, 117–147 176.5 31.5 — 552 551 1.49 458 7.22 5.75 39.2 5.29
24X-3, 63–93 178.5 31.0 9.02 554 553 1.50 440 6.69 5.73 37.5 5.36
25X-1, 48–84 179.9 31.0 8.52 550 552 1.50 455 6.96 6.03 38.5 5.51
26X-1, 105–140 183.1 31.5 8.16 551 552 1.52 463 7.00 6.19 37.8 5.78
344-U1413B-
1H-1, 140–150 1.4 — 5.66 554 552 0.864 482 11.6 9.15 50.7 0.347
1H-2, 140–150 2.9 35.0 5.30 556 — 0.877 482 12.0 8.94 50.5 0.341
1H-3, 140–150 4.4 34.5 4.63 552 551 0.856 487 11.8 9.31 51.9 0.241
1H-4, 100–110 5.5 — 4.41 550 — 0.857 477 11.6 9.18 51.0 0.225
1H-5, 60–70 6.2 35.0 4.65 551 555 0.853 492 12.0 9.39 52.5 0.244
2H-1, 140–150 8.0 — 4.86 553 552 0.865 482 11.9 9.09 51.1 0.270
2H-2, 140–150 9.5 — 6.33 554 — 0.865 484 11.8 8.81 51.3 0.357
2H-3, 140–150 11.0 34.50 8.16 551 555 0.870 484 11.7 8.47 50.8 0.440
2H-4, 140–150 12.5 34.50 9.81 560 — 0.887 475 11.9 7.84 49.3 0.524
2H-5, 140–150 14.0 33.50 12.47 552 557 0.868 471 11.6 7.17 48.3 0.673
2H-6, 110–115 15.2 — 19.06 553 — 0.882 471 11.8 5.83 46.7 0.913
2H-6, 130–135 15.4 — 22.67 552 — 0.883 482 11.9 5.41 46.8 1.04
2H-6, 140–150 15.5 33.50 24.27 556 — 0.897 474 11.6 4.99 45.4 1.03
2H-7, 10–15 15.7 — 26.02 553 — 0.894 476 11.8 4.60 44.8 1.12
2H-7, 30–35 15.9 — 26.37 553 — 0.885 468 11.4 4.36 44.8 1.16
2H-7, 50–55 16.1 — 25.30 551 — 0.890 470 11.6 4.25 44.9 1.20
2H-7, 65–75 16.3 33.50 26.94 550 — 0.881 453 11.1 4.04 43.3 1.30
3H-1, 10–15 16.2 — 24.35 555 556 0.903 464 11.7 3.66 43.7 1.82
3H-1, 30–35 16.4 — 23.02 553 — 0.896 471 11.5 3.55 44.3 1.93
3H-2, 144–154 18.2 — 24.61 551 — 0.912 — — — — 2.56
3H-3, 142–152 19.7 — 26.48 550 — 0.929 461 11.2 2.31 42.8 3.47
3H-4, 138–148 21.2 — 27.46 550 — 0.938 455 11.2 2.07 42.3 4.00
3H-5, 140–150 22.7 — 26.82 546 548 0.953 452 11.5 1.90 40.8 4.63
3H-6, 140–150 24.2 — 28.20 546   0.963 472 11.9 2.10 43.8 5.02
3H-7, 140–150 25.7 — 29.51 547 548 0.969 466 11.9 2.09 43.6 5.50
3H-8, 80–90 26.6 — 30.05 545 — 0.984 451 11.1 2.08 43.0 5.60
344-U1413C-
2R-2, 119–149 180.5 31.0 7.86 550 550 1.51 450 6.65 6.73 37.7 5.70
2R-5, 53–83 183.9 31.0 7.72 549 551 1.53 451 6.46 6.73 37.0 5.84
3R-1, 90–122 188.6 31.0 8.20 547 — 1.49 462 6.59 7.18 36.5 6.13
5R-1, 116–146 208.3 31.0 6.89 549 548 1.59 491 7.26 8.28 33.8 7.33
6R-3, 99–129 220.7 30.5 6.84 547 545 1.64 452 6.88 8.15 30.0 7.17
7R-2, 77–107 228.8 30.4 — 542 541 1.64 450 6.42 8.87 30.1 7.29
7R-6, 101–131 234.5 30.5 6.15 545 544 1.69 460 6.54 9.38 30.9 6.99
8R-4, 87–117 241.4 30.5 5.92 550 549 1.73 455 6.68 9.41 29.1 7.26
10R-4, 116–150 260.7 30.5 — 545 546 1.74 451 6.70 9.69 27.4 7.53
11R-1, 114–151 266.4 30.0 6.79 543 545 1.75 463 6.69 10.4 29.1 6.88
12R-5, 80–119 280.1 30.0 — 542 546 1.76 446 6.79 9.80 27.6 7.21
13R-3, 93–128 288.4 30.0 — 536 537 1.74 462 6.96 10.1 28.2 7.30
14R-4, 16–61 299.0 30.5 5.48 543 544 1.77 445 6.70 9.62 27.1 7.01
15R-2, 103–135 306.1 30.5 — 541 543 1.74 502 7.70 10.8 30.1 7.13
16R-3, 114–150 317.8 30.5 — 543 543 1.75 461 7.09 9.88 26.4 7.14
17R-4, 92–122 328.6 30.4 5.63 537 540 1.71 443 6.54 9.87 25.0 7.31
19R-5, 66–96 347.9 29.9 — 532 534 1.71 446 7.05 9.79 23.5 6.95
20R-3, 80–110 355.8 29.9 — 535 535 1.70 472 7.22 10.7 24.8 —
21R-4, 123–153 368.0 30.4 — 542 544 1.73 467 7.14 10.7 23.6 6.42
22R-4, 89–119 377.4 30.4 — 536 538 1.70 452 6.61 10.9 23.8 6.74
23R-3, 122–152 385.7 30.4 — 539 540 1.68 495 7.59 12.1 24.1 7.14
24R-3, 112–142 395.3 30.4 — 536 — 1.67 501 7.21 12.4 25.6 6.57
25R-4, 122–152 406.8 30.4 2.59 530 531 1.63 474 6.86 12.2 21.9 6.55
26R-3, 118–148 414.5 29.9 — 534 536 1.63 444 6.14 11.9 21.4 6.29
27R-2, 120–150 423.1 30.4 — 543 543 1.67 459 6.44 12.5 22.3 6.46
28R-3, 88–123 433.5 30.0 — — 530 — 442 5.91 12.7 23.0 5.51
29R-3, 100–135 443.5 29.9 2.70 535 533 1.63 465 6.33 12.8 23.3 5.77
30R-3, 96–131 453.1 29.9 — 536 535 1.61 447 6.02 12.5 21.4 5.95
31R-4, 83–118 464.3 29.9 — 524 523 1.55 446 5.80 13.0 22.3 5.30
32R-5, 66–101 475.1 29.9 — 522 522 1.61 431 5.46 12.8 22.0 5.14
33R-5, 0–30 484.4 29.9 — 531 533 1.59 431 5.49 13.0 21.1 5.37
34R-2, 87–122 490.8 30.0 — 532 532 1.63 454 6.06 13.4 21.2 5.12
35R-3, 94–129 502.0 29.9 — 522 526 1.54 450 5.61 14.2 21.3 5.00
36R-5, 62–97 514.1 30.0 — 520 527 1.22 485 5.98 15.8 23.9 4.55
37R-5, 61–96 523.6 30.0 — 532 527 1.35 443 5.35 14.7 21.3 4.79
38R-4, 117–152 532.9 30.5 — 544 542 1.59 448 5.29 14.7 21.5 4.66
39R-4, 116–151 542.3 30.5 — 549 546 1.63 464 5.48 15.2 21.9 4.70
40R-6, 97–132 554.6 30.0 — 530 534 1.57 457 5.27 14.9 21.5 4.19
41R-2, 116–151 559.0 29.9 2.68 545 542 1.60 446 5.05 15.4 21.7 —
42R-2, 56–91 568.1 29.9 — 545 543 1.58 448 4.96 15.1 20.7 4.54
43R-2, 73–105 577.7 29.9 — 542 540 1.56 463 5.52 15.0 19.2 4.96

IC = ion chromatograph, titr. = titration, — = not measured.

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