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Table T6. Uncorrected pore fluid major element concentrations, Site U1412.

Core, section,
interval (cm)		 Depth
(mbsf)		 Volume
(mL)		 Salinity pH Alkalinity
(mM)		 SO4 IC
(mM)		 SO4 ICP
(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 52.0 35 8.07 4.31 27.45 26.94 559 553 0.86 461 12.0 9.13 47.8 0.31
1H-2, 138–150 2.94 52.0 35 7.67 5.78 24.46 24.38 551 554 0.86 454 11.6 8.41 46.8 0.54
1H-4, 98–110 5.54 53.0 34.5 7.82 10.03 19.08 18.73 559 557 0.88 465 11.7 7.27 46.3 1.05
2H-2, 138–150 8.84 46.0 34.5 7.97 16.15 11.35 16.56 559 559 0.90 456 11.7 5.34 43.0 1.56
2H-6, 72–84 14.20 46.0 34 7.96 26.09 0.20 1.01 562 560 0.93 453 11.3 3.19 40.2 2.44
2H-7, 106–118 15.38 56.0 34 7.97 25.13 0.05 0.38 559 562 0.92 456 11.4 3.28 40.4 —
3H-1, 138–150 16.84 45.0 34 8.04 26.72 0.46 2.03 564 563 0.94 446 11.0 3.88 40.7 3.05
3H-3, 138–150 19.84 25.0 33.5 7.96 28.99 0.20 0.57 561 560 0.95 460 11.2 3.80 41.5 3.28
3H-5, 138–150 22.84 50.0 33.5 7.78 28.09 0.10 0.37 565 562 0.97 461 11.9 3.89 40.4 4.14
4H-2, 138–150 27.84 23.0 33.5 7.9 31.99 0.10 0.32 563 561 1.01 459 11.8 4.23 40.8 5.74
4H-4, 138–150 30.87 41.0 33.5 7.76 34.73 0.05 0.01 561 560 1.04 467 11.9 4.41 42.2 5.48
5H-3, 118–135 36.19 46.0 34.5 7.75 38.61 0.41 0.45 563 561 1.08 473 12.2 4.90 43.2 6.58
5H-7, 133–150 40.50 51.0 34.5 7.68 40.25 0.05 0.35 564 565 1.12 459 12.2 4.83 42.2 7.15
6H-2, 132–149 44.87 45.0 34 7.85 42.6 0.10 0.24 563 561 1.13 465 12.5 5.01 43.4 7.66
6H-4, 134–151 47.91 47.0 34.5 7.88 40.46 0.05 0.38 566 562 1.16 468 13.1 4.64 42.1 8.14
7H-2, 128–145 51.89 50.0 34.5 7.72 43.48 0.41 0.45 564 562 1.17 470 12.4 5.16 44.3 8.09
7H-5, 103–120 55.89 52.0 34.5 7 43.99 0.05 0.16 565 562 1.19 472 12.4 5.08 44.8 8.19
8H-1, 129–151 58.90 53.0 34.5 7.8 41.83 0.87 1.09 562 562 1.18 471 12.3 5.01 44.1 8.37
8H-3, 100–122 61.62 44.0 34 7.66 43.37 0.00 0.31 556 554 1.20 462 12.4 4.91 43.5 8.35
9H-2, 128–150 65.76 34.0 34.5 7.77 43.65 0.05 0.27 566 562 1.24 459 12.1 4.83 43.6 8.62
9H-6, 135–157 70.54 52.0 33.5 7.94 40.98 0.05 0.35 548 544 1.22 456 12.4 4.44 41.7 8.57
10H-1, 128–150 73.59 56.0 34.5 7.81 41.62 0.26 0.36 565 565 1.27 470 12.2 4.60 43.9 8.73
10H-5, 134–156 79.59 51.0 34.5 7.86 40.52 0.00 0.31 566 564 1.28 479 12.7 4.90 44.1 9.19
11H-2, 130–152 83.93 43.0 33 7.86 40.59 0.10 0.26 546 540 1.26 458 11.8 5.11 41.9 8.88
12H-1, 115–137 87.56 40.0 34.5 7.79 41.14 0.56 0.79 563 562 1.30 465 11.1 5.45 43.8 8.87
12H-3, 94–116 90.13 57.0 34.5 7.84 40.04 0.31 0.51 567 565 1.31 462 11.7 5.15 42.7 9.16
13H-2, 124–146 93.62 51.0 34 7.7 35.8 0.20 0.45 566 568 1.32 472 11.6 4.59 42.5 8.83
14H-2, 80–102 98.22 52.0 34.5 7.78 34.34 0.15 0.16 567 567 1.33 455 11.2 4.83 40.3 9.12
15H-2, 93–115 106.75 51.0 33.5 7.76 32.31 0.10 0.33 571 563 1.36 482 12.5 5.25 40.6 9.30
16X-2, 126–148 110.98 12.0 33.5 — — 0.20 0.41 563 561 1.35 468 11.6 5.51 40.2 9.26
20X-4, 131–151 148.01 0.8 — — — 0.05 — 559 555 1.38 362 7.65 5.25 31.6 —
22X-1, 131–151 162.91 2.3 — — — 2.40 — 563 564 1.32 376 9.04 5.62 32.4 —
22X-3, 68–88 165.01 1.8 — — — 0.82 — 569 563 1.39 442 10.8 6.08 35.0 —
23X-3, 100–120 175.30 2.0 — — — 1.48 — 563 561 1.36 577 13.2 8.93 45.0 —
344-U1412B-
4X-2, 100–120 167.97 5.2 32.0 — — — — 548 553 1.08 328 7.02 6.31 31.1 —
5X-1, 120–140 176.40 32.0 33.0 7.77 18.9 0.46 — 554 560 1.10 442 9.52 8.35 38.9 6.24
6X-2, 99–125 186.74 30.0 33.0 7.79 18.19 0.61 — 554 556 1.12 414 8.07 8.01 33.9 5.75
7X-2, 51–73 196.02 50.0 32.5 7.76 16.09 0.61 — 555 561 1.15 378 10.2 9.14 35.4 6.03
344-U1412C-
4R-CC   3.5 31.5 — — 2.96 — 555 — 1.29 480 9.07 9.48 31.2 —
5R-1, 0–36 328.80 11.0 31.0 — — 0.31 — 560 560 1.53 468 8.44 10.3 26.8 3.38
6R-1, 9–20 338.59 7.0 30.5 — — 0.15 — 550 553 1.90 498 8.22 12.4 28.2 3.49
7R-2, 96–112 350.31 20.0 32.0 7.84 6.42 0.51 — 558 560 2.20 475 9.12 12.4 24.0 3.91
8R-1, 121–148 359.11 8.0 30.5 — — 0.51 — 541 546 2.23 440 7.79 11.2 23.6 4.04
8R-5, 59–95 364.13 35.0 31.0 7.93 3.86 0.36 — 552 559 2.42 492 9.58 10.8 22.2 5.31
9R-2, 58–88 369.02 35.0 31.0 7.74 4.41 0.26 — 544 553 2.47 486 9.98 11.2 22.4 6.10
344-U1412D-
2R-2, 78–101 352.18 28.0 32 7.63 7.31 0.20 — 561 552 2.56 484 9.85 9.67 21.8 5.35
2R-5, 106–131 356.47 29.0 31.5 7.85 6.53 0.15 — 562 552 2.60 490 10.4 9.06 19.9 6.57
3R-3, 61–86 362.02 33.0 31.5 7.62 8.02 0.51 — 555 599 2.52 488 10.6 8.74 18.8 7.55
Drilling fluid           25.64   496 492 0.76 404 8.65 8.97 46.1 0.00

IC = ion chromatograph, ICP = inductively coupled plasma–atomic emission spectroscopy, titr. = titration, — = not measured.

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