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Table T8. Sulfate-corrected pore fluid major element concentrations, Site U1412.

Core, section, interval (cm) Depth
(mbsf)		 Salinity pH Alkalinity
(mM)		 Cl IC
(mM)		 Cl titr.
(mM)		 Br
(mM)		 Na
(mM)		 K
(mM)		 Ca
(mM)		 Mg
(mM)		 NH4
(mM)
344-U1412A-
1H-1, 138–150 1.44 35.0 8.07 4.31 559 553 0.86 461 12.0 9.13 47.8 0.31
1H-2, 138–150 2.94 35.0 7.67 5.78 551 554 0.86 454 11.6 8.41 46.8 0.54
1H-4, 98–110 5.54 34.5 7.82 10.03 559 557 0.88 465 11.7 7.27 46.3 1.05
2H-2, 138–150 8.84 34.5 7.97 16.15 559 559 0.90 456 11.7 5.34 43.0 1.56
2H-6, 72–84 14.20 34.0 7.96 26.09 562 560 0.93 453 11.3 3.19 40.2 2.44
2H-7, 106–118 15.38 34.0 7.97 25.18 559 562 0.92 456 11.4 3.27 40.4 —
3H-1, 138–150 16.84 34.1 8.04 27.17 565 564 0.94 446 11.1 3.78 40.6 3.10
3H-3, 138–150 19.84 33.5 7.96 29.21 562 560 0.95 461 11.3 3.76 41.4 3.31
3H-5, 138–150 22.84 33.5 7.78 28.19 565 562 0.97 462 12.0 3.87 40.4 4.16
4H-2, 138–150 27.84 33.5 7.90 32.11 563 561 1.02 459 11.9 4.22 40.7 5.76
4H-4, 138–150 30.87 33.5 7.76 34.80 561 560 1.04 467 11.9 4.40 42.2 5.49
5H-3, 118–135 36.19 34.6 7.74 39.20 564 562 1.08 474 12.2 4.84 43.2 6.68
5H-7, 133–150 40.50 34.5 7.68 40.33 565 566 1.12 459 12.2 4.83 42.2 7.17
6H-2, 132–149 44.87 34.0 7.85 42.76 563 561 1.14 466 12.5 5.00 43.3 7.69
6H-4, 134–151 47.91 34.5 7.88 40.54 566 562 1.16 468 13.1 4.63 42.1 8.16
7H-2, 128–145 51.89 34.6 7.71 44.15 566 563 1.18 471 12.4 5.10 44.3 8.22
7H-5, 103–120 55.89 34.5 7.00 44.07 565 562 1.19 472 12.4 5.07 44.8 8.21
8H-1, 129–151 58.90 34.6 7.79 43.22 565 564 1.20 474 12.4 4.87 44.0 8.66
8H-3, 100–122 61.62 34.0 7.66 43.37 556 554 1.20 462 12.4 4.91 43.5 8.35
9H-2, 128–150 65.76 34.5 7.77 43.73 566 562 1.24 459 12.1 4.83 43.6 8.64
9H-6, 135–157 70.54 33.5 7.94 41.06 548 544 1.22 456 12.4 4.43 41.7 8.59
10H-1, 128–150 73.59 34.5 7.81 42.02 565 566 1.28 471 12.3 4.56 43.9 8.82
10H-5, 134–156 79.59 34.5 7.86 40.52 566 564 1.28 479 12.7 4.90 44.1 9.19
11H-2, 130–152 83.93 33.0 7.86 40.74 546 540 1.26 458 11.8 5.10 41.9 8.92
12H-1, 115–137 87.56 34.6 7.78 42.01 564 563 1.31 466 11.2 5.37 43.8 9.07
12H-3, 94–116 90.13 34.5 7.84 40.50 568 566 1.31 463 11.7 5.11 42.7 9.27
13H-2, 124–146 93.62 34.0 7.70 36.07 567 568 1.32 473 11.6 4.56 42.4 8.90
14H-2, 80–102 98.22 34.5 7.78 34.53 568 568 1.34 455 11.2 4.81 40.3 9.17
15H-2, 93–115 106.75 33.5 7.76 32.43 571 564 1.37 483 12.5 5.23 40.5 9.34
16X-2, 126–148 110.98 33.5 — — 564 561 1.35 469 11.7 5.48 40.1 9.34
20X-4, 131–151 148.01 — — — 559 555 1.38 362 7.65 5.24 31.6 —
22X-1, 131–151 162.91 — — — 570 572 1.38 373 9.08 5.27 30.9 —
22X-3, 68–88 165.01 — — — 572 566 1.41 444 10.8 5.98 34.7 —
23X-3, 100–120 175.30 — — — 567 565 1.40 587 13.4 8.93 44.9 —
344-U1412B-
4X-2, 100–120 167.97 32.0 — — 549 554 1.09 — 6.99 6.27 30.8 —
5X-1, 120–140 176.40 33.1 7.76 19.31 556 562 1.11 442 9.54 8.33 38.7 6.39
6X-2, 99–125 186.74 33.1 7.78 18.58 555 557 1.13 415 8.05 7.98 33.6 5.89
7X-2, 51–73 196.02 32.5 7.75 16.38 556 563 1.15 378 10.3 9.14 35.1 6.15
344-U1412C-
4R-CC 321.47 31.6 — — 562 — 1.36 311 9.13 9.54 29.3 —
5R-1, 0–36 328.80 31.0 — — 561 561 1.54 328 8.43 10.3 26.5 3.42
6R-1, 9–20 338.59 30.5 — — 551 553 1.91 338 8.22 12.4 28.1 3.51
7R-2, 96–112 350.31 32.0 7.83 6.51 560 561 2.23 349 9.13 12.4 23.6 3.99
8R-1, 121–148 359.11 30.5 — — 542 547 2.26 358 7.78 11.3 23.1 4.13
8R-5, 59–95 364.13 31.0 7.93 3.89 553 560 2.44 364 9.60 10.8 21.8 5.38
9R-2, 58–88 369.02 31.0 7.74 4.43 545 554 2.49 369 10.0 11.2 22.2 6.17
344-U1412D-
2R-2, 78–101 352.18 — — — — — — 485 9.86 9.67 21.6 —
2R-5, 106–131 356.47 — — — — — — 490 10.4 9.06 19.8 —
3R-3, 61–86 362.02 — — — — — — 489 10.6 8.73 18.2 —
Drilling fluid                        

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

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