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Table T15. Interstitial fluid chemistry, Site U1365.

Core, section, interval (cm) Depth (mbsf) pH
ISE 		Alkalinity (mM) TITRAUTO DIC (mM) TOC Cl
(mM)
M-IC 		SO4 (mM)
M-IC 		S/Cl
(%) Calc.
anom. 		NO3 (µM)
M-IC 		P
(µM) Spec. 		Si
(µM) Spec. 		Ca (mM) D-IC Mg (mM)
D-IC 		Na (mM)
D-IC 		K
(mM)
D-IC 		Ca
(mM) ICPAES 		Mg (mM) Na (mM) ICPAES K
(mM) ICPAES 		B
(µM) ICPAES 		Ba
(µM) ICPAES 		Fe
(µM) ICPAES 		Mn
(µM) ICPAES 		Sr
(µM) ICPAES
329-U1365B-
1H-1, 30–40 0.35 7.10 2.211 2.455 557.0 28.34 –1.64 38.46 2.08 369 10.5 53.4 482.4 12.7 9.9 50.5 470 11.1 638 BD 6.6 3.3 86
1H-1, 80–90 0.85 7.25 2.300 2.390 556.2 28.29 –1.67 35.46 1.91 258 10.6 53.5 480.9 12.7 9.9 50.5 469 11.1 609 BD 4.4 3.3 82
1H-1, 130–140 1.35 7.29 2.318 2.440 557.8 28.20 –2.27 36.05 2.23 332 10.5 53.2 481.4 12.7 10.1 51.0 479 11.7 604 BD 2.8 3.3 74
1H-2, 30–40 1.85 7.24 2.306 2.434 555.7 28.11 –2.21 36.72 2.09 337 10.5 53.4 482 12.9 10.1 51.9 475 11.8 635 BD 4.6 3.0 82
1H-2, 80–90 2.35 7.25 2.306 2.464 555.3 28.18 –1.88 36.94 2.21 385 10.4 53.5 484.1 12.8 10.1 51.5 478 11.5 631 BD 3.7 3.2 82
1H-2, 130–140 2.85 7.20 2.349 2.457 555.7 27.99 –2.63 39.47 2.16 336 10.6 53.9 488.1 12.9 10.2 52.1 486 11.9 646 BD 4.8 2.9 82
1H-3, 30–40 3.35 7.19 2.363 2.387 557.2 28.15 –2.32 37.66 2.00 344 10.6 53.1 484.4 12.9 10.1 50.7 477 11.6 647 BD 3.7 3.3 80
1H-3, 70–80 3.75 7.15 2.460 2.448 560.4 28.22 –2.65 64.93 2.07 342 10.5 53.4 483 12.7 10.0 50.5 471 11.3 637 BD 4.3 2.7 79
2H-1, 65–75 4.80 7.21 2.403 2.442 562.0 28.35 –2.46 38.94 1.89 322 10.5 53.6 482.6 12.9 10.2 51.5 475 11.6 689 BD 3.9 3.6 81
2H-1, 130–140 5.45 7.18 2.382 2.382 558.4 28.16 –2.49 39.17 1.55 333 10.7 54 482.5 12.9 10.1 50.9 464 11.4 649 BD 4.4 3.0 81
2H-2, 65–75 6.30 7.16 2.355 2.416 — — — 39.52 1.77 334 10.5 53.5 480.3 13.3 10.2 52.1 476 12.2 704 BD 5.2 3.0 86
2H-2, 130–140 6.95 7.24 2.455 2.505 559.7 27.97 –3.37 40.05 1.98 333 10.5 53.4 481.1 13.1 10.1 51.5 475 12.0 699 BD 4.5 4.8 84
2H-3, 65–75 7.80 7.17 2.508 2.565 558.7 27.77 –3.90 39.71 1.86 359 10.5 53.3 484.1 13.2 10.0 50.6 475 11.8 707 BD 4.8 3.5 83
2H-3, 130–140 8.45 7.20 2.455 2.495 557.9 27.70 –4.00 40.66 1.34 331 10.5 54 485.7 12.9 10.1 51.5 476 11.4 656 BD 3.7 3.8 78
2H-4, 65–75 9.30 7.23 2.589 2.626 560.4 27.07 –6.61 40.49 1.42 347 10.3 52.4 479.7 12.8 10.1 50.8 479 11.6 763 BD 3.4 4.4 81
2H-4, 130–140 9.95 7.17 2.573 2.695 — — — 40.74 1.34 322 10.1 51.6 474.6 12.5 10.3 52.1 485 11.9 764 BD 4.7 4.4 85
2H-5, 65–75 10.80 7.17 2.570 2.606 562.3 27.37 –5.89 40.95 1.41 344 10.5 53.2 487.6 12.6 10.2 51.5 483 11.5 723 BD 3.5 3.7 84
2H-5, 130–140 11.45 7.19 2.584 2.614 561.0 27.28 –5.97 41.36 1.40 318 — — — — 10.1 50.9 482 11.4 729 BD 4.1 4.1 84
2H-6, 65–75 12.30 7.11 2.554 2.644 561.4 27.52 –5.22 41.04 1.32 351 10.6 53 489.5 12.5 10.3 50.7 480 11.3 704 BD 4.3 3.5 84
2H-6, 130–140 12.95 7.18 2.495 2.563 564.5 27.86 –4.58 41.29 1.06 309 10.7 53.8 490 12.2 10.4 51.5 485 11.2 704 BD 4.4 3.6 88
2H-7, 48–58 13.63 7.16 2.522 2.617 563.6 27.80 –4.64 41.49 1.24 331 10.7 52.6 488.5 12.6 10.1 49.9 472 11.0 687 BD 3.4 5.3 82
3H-1, 0–10 13.65 7.17 2.462 2.479 564.0 28.08 –3.75 30.11 1.28 306 10.9 53.2 491.7 13.1 10.1 50.5 466 11.0 780 BD 5.7 3.1 96
3H-1, 130–140 14.95 7.29 2.682 2.572 562.5 27.19 –6.55 42.65 1.02 369 10.8 53.1 487.8 12.6 10.1 51.1 472 11.1 775 BD 4.8 5.0 86
3H-2, 65–75 15.80 7.20 2.520 2.516 564.4 27.65 –5.28 43.53 0.97 331 10.8 53.9 488.2 12.8 10.1 51.3 471 11.4 722 BD 5.2 2.6 85
3H-2, 130–140 16.45 7.19 2.484 2.564 563.7 27.31 –6.33 52.67 0.83 344 10.8 54 488.9 12.8 10.0 50.8 472 11.1 747 BD 4.5 3.8 83
3H-3, 65–75 17.30 7.23 2.478 2.502 563.6 27.24 –6.55 — 1.04 498 10.8 54 488 12.8 10.0 50.6 467 11.2 734 BD 3.5 4.0 82
3H-3, 130–140 17.95 7.18 2.515 2.538 562.4 27.32 –6.10 — 0.98 338 10.9 54.2 486.2 12.7 10.2 51.9 476 11.4 777 BD 4.7 3.7 87
3H-4, 65–75 18.80 7.25 2.516 2.531 564.1 27.49 –5.79 — 0.97 361 10.7 53.5 481   10.5 53.5 488 11.9 729 BD 4.4 3.6 86
3H-4, 130–140 19.45 7.17 2.448 2.535 562.3 27.44 –5.66 — 0.91 375 10.9 54.5 486.2 12.6 10.3 52.3 477 11.4 756 BD 4.8 3.8 94
3H-5, 65–75 20.30 7.20 2.450 2.518 567.7 27.91 –4.95 43.83 0.85 324 11 54.8 487.8 12.7 10.3 52.3 479 11.3 701 BD 3.9 3.9 85
3H-5, 130–140 20.95 7.19 2.425 2.506 563.9 28.03 –3.89 43.49 0.86 362 11.1 54.8 488.4 12.9 10.4 51.9 477 11.4 713 BD 5.2 3.7 93
3H-6, 65–75 21.80 7.18 2.442 2.460 567.8 28.07 –4.43 43.76 0.41 356 11.1 54.8 488.2 13.2 10.5 52.4 479 11.6 658 BD 5.5 14.4 83
3H-6, 130–140 22.45 7.20 2.485 2.496 564.8 27.89 –4.54 44.02 0.86 363 11.1 54.9 487.3 13.4 10.4 51.8 475 11.7 670 BD 4.0 4.7 83
3H-7, 30–40 22.95 7.15 2.526 2.537 564.2 27.75 –4.91 44.17 0.94 329 11 53.7 485.7 14.1 10.4 50.8 474 12.4 723 BD 5.2 6.3 88
4H-1, 65–75 23.80 7.22 2.448 2.503 565.6 27.71 –5.30 44.89 0.94 362 11.1 54 484.9   10.4 52.2 479 12.6 773 BD 5.5 4.8 94
4H-1, 130–140 24.45 7.25 2.483 2.443 565.5 27.68 –5.37 43.79 0.93 417 11.1 54.3 489.3 14 10.4 51.9 477 12.4 720 BD 5.4 6.9 89
4H-2, 65–75 25.30 7.35 2.460 2.447 569.4 27.83 –5.52 63.79 0.85 398 10.9 53.6 482.2 13.7 10.3 51.1 473 11.8 678 BD 4.7 6.7 84
4H-2, 130–140 25.95 7.23 2.472 2.442 570.8 27.99 –5.19 44.24 1.08 454 11.1 54.5 491.4 14.1 10.2 50.6 473 12.2 738 BD 4.0 6.6 90
4H-3, 65–75 26.80 7.23 2.463 2.488 570.8 27.98 –5.23 44.05 0.85 430 11.1 54.6 490.4 14 10.5 52.0 481 12.6 708 BD 4.6 5.6 87
4H-3, 130–140 27.45 7.30 2.408 2.458 572.8 28.03 –5.40 44.31 0.88 441 11.2 54.4 488.5 13.8 10.4 52.0 479 12.4 681 BD 4.4 6.0 87
4H-4, 65–75 28.30 7.25 2.387 2.425 565.6 27.69 –5.34 44.38 0.84 383 10.9 54.3 487.7 13.9 10.1 50.0 466 11.7 694 BD 5.3 5.3 90
4H-4, 130–140 28.95 7.27 2.381 2.426 564.8 27.62 –5.46 — 0.85 423 10.9 54.4 487.2 13.7 10.4 51.8 479 12.2 665 BD 3.8 4.5 85
4H-5, 65–75 29.80 7.36 2.518 2.463 566.9 27.61 –5.83 44.57 0.97 428 10.6 54.8 487.9 13.6 10.4 51.5 480 12.2 679 BD 4.3 7.7 84
4H-5, 130–140 30.45 7.26 2.413 2.417 565.1 27.62 –5.49 44.10 0.88 490 10.7 54.7 490 13.6 10.4 52.1 481 12.2 683 BD 3.8 3.7 84
4H-6, 65–75 31.30 7.32 2.466 2.428 567.8 27.88 –5.09 45.18 0.80 412 10.8 54.6 490.5 13.5 10.3 50.8 469 11.5 637 BD 3.4 5.2 76
4H-6, 130–140 31.95 7.30 2.480 2.471 — — — 44.38 0.73 444 10.8 55 491.4 13.4 10.3 50.9 472 11.6 745 BD 5.4 4.1 93
4H-7, 15–25 32.30 7.26 2.476 2.460 — — — 44.73 0.75 533 10.7 54.4 488.2 13.3 10.4 51.8 479 11.9 728 BD 5.4 5.7 94
5H-1, 65–75 33.30 7.16 2.423 2.460 568.1 27.59 –6.12 48.70 0.79 511 10.6 54.9 485.7 12.9 10.0 51.1 463 10.9 699 BD 5.3 5.2 84
5H-1, 130–140 33.95 7.22 2.349 2.352 — — — 44.12 0.80 482 — — — — 10.4 52.1 480 12.0 681 BD 4.8 4.4 84
5H-2, 65–75 34.80 7.28 2.377 2.398 586.8 28.26 –6.90 44.02 0.99 529 10.7 54.4 489.8 13.5 10.3 51.6 478 12.0 683 BD 4.3 4.4 84
5H-2, 130–140 35.45 7.29 2.509 2.357 569.8 27.53 –6.58 44.17 0.97 549 10.8 54.5 491.6 13.6 10.6 52.5 487 12.4 758 BD 5.9 6.8 95
5H-3, 0–10 35.65 7.21 2.407 2.442 569.2 27.42 –6.87 44.04 0.95 510 10.7 54.1 489.4 13.5 10.4 52.0 485 12.1 727 BD 5.0 4.4 93
5H-3, 65–75 36.30 7.27 2.307 2.312 571.5 27.49 –7.00 44.52 0.82 512 10.7 54.7 492.7 13.4 10.4 51.9 481 12.0 661 BD 3.6 5.0 84
5H-3, 130–140 36.95 7.19 2.407 2.437 569.7 27.42 –6.93 44.76 0.98 530 — 54.5 491.4 13.5 10.5 51.9 480 12.1 671 BD 4.2 5.6 85
5H-4, 65–75 37.80 7.31 2.420 2.411 569.8 27.39 –7.06 45.15 0.95 523 10.8 54.6 491.2 13.6 10.5 51.7 481 12.3 699 BD 4.9 4.5 88
5H-4, 130–140 38.45 7.28 2.321 2.327 570.4 27.31 –7.43 44.60 0.75 509 10.7 54.3 486.6 14 10.3 50.7 468 12.1 692 BD 4.7 4.2 86
5H-5, 75–85 39.40 7.29 2.332 2.350 569.9 27.65 –6.21 44.61 0.79 530 10.4 54 479.4 14.3 10.4 51.5 471 12.3 669 BD 4.2 5.1 88
5H-5, 125–135 39.90 7.33 2.346 2.294 569.5 27.79 –5.65 45.35 0.69 577 10.6 54.7 487.2 14 10.2 51.0 470 12.2 624 BD 5.0 5.2 84
5H-6, 65–75 40.80 7.33 2.301 2.283 570.5 28.14 –4.65 40.75 0.77 — 10.6 55 483.6 15 10.4 52.4 476 13.0 608 BD 4.6 4.7 86
5H-6, 130–140 41.45 7.23 2.421 2.380 564.8 27.81 –4.79 44.70 0.77 548 10.8 55.8 487.2 15.5 10.3 51.8 469 13.2 636 BD 5.8 3.4 91
5H-7, 53–63 42.18 7.22 2.370 2.382 567.4 28.00 –4.60 48.17 0.75 601 10.8 55.3 483.1 15.4 10.6 53.3 479 13.7 600 BD 4.8 2.9 87
8H-2, 30–40 65.35 7.49 2.063 1.954 568.1 26.58 –9.55 31.98 0.47 636 13.6 51.7 484 12.4 12.2 50.0 480 11.2 648 BD 4.3 4.5 86
8H-2, 80–90 65.85 7.41 2.011 1.940 564.8 26.74 –8.46 44.89 0.72 627 13.7 52.1 472.3 11.7 12.4 50.9 476 10.8 688 BD 5.3 3.4 97
8H-3, 45–55 66.50 7.41 2.011 1.934 565.1 26.44 –9.54 37.51 0.40 608 13.9 52.5 480.9 12.1 12.4 51.1 486 11.3 653 BD 4.5 3.2 88
9H-1, 130–140 68.35 7.27 1.963 1.970 564.9 26.14 –10.55 33.35 0.45 585 13.6 52.2 486.1 12.5 12.1 49.6 476 11.0 711 BD 4.0 4.7 89
9H-2, 30–40 68.85 7.33 1.970 1.930 564.5 26.87 –7.96 35.69 0.43 574 14.1 53.7 478.1 11.2 12.4 51.1 473 10.1 638 BD 4.4 3.9 92
9H-2, 80–90 69.35 7.41 2.014 1.938 567.1 26.65 –9.15 37.37 0.59 622 13.8 53.1 481.2 11.5 12.4 51.1 480 10.5 718 BD 5.1 4.4 99
9H-2, 130–140 69.85 7.39 2.025 1.974 573.9 26.91 –9.34 33.70 0.53 547 13.9 52.9 481.7 11.7 12.0 48.8 462 10.0 773 BD 5.8 3.8 102
9H-3, 30–40 70.40 7.38 1.998 1.967 567.4 26.62 –9.28 33.69 0.61 597 13.9 52.8 482.5 11.8 12.4 50.0 473 10.4 663 BD 4.7 4.0 89
9H-3, 80–90 70.90 7.48 2.055 1.959 567.0 25.88 –11.75 — 0.68 587 13.8 51.4 483.1 12 12.3 49.4 474 10.8 726 BD 5.4 3.6 91
9H-3, 130–142 71.41 7.37 2.028 1.943 578.8 26.59 –11.20 36.73 0.47 592 13.9 52.1 482.2 12.1 12.4 50.2 475 11.0 708 BD 4.3 4.3 90
9H-4, 30–40 71.90 7.42 2.051 1.978 573.0 26.56 –10.39 33.33 0.47 630 13.8 52.2 484.9 11.9 12.2 49.6 474 10.4 767 BD 7.2 4.1 120
9H-4, 80–90 72.40 7.36 1.979 1.968 567.0 25.68 –12.42 33.59 0.62 589 13.7 51.9 485.2 11.9 12.3 49.9 481 10.6 728 BD 6.9 4.1 109
9H-4, 130–140 72.90 7.38 2.010 1.942 573.2 25.98 –12.38 34.10 0.34 556 13.8 51.8 485.7 12 12.2 48.9 472 10.4 693 BD 5.3 3.7 88
9H-5, 30–40 73.40 7.49 2.063 1.968 567.0 25.59 –12.73 33.01 0.50 625 13.7 51.1 482.7 12.8 12.3 48.9 475 11.3 742 BD 6.8 3.4 112
9H-5, 80–90 73.90 7.43 2.022 2.006 565.1 25.85 –11.57 33.15 0.91 624 13.6 51.1 482 12.4 12.2 49.0 475 10.9 746 BD 8.5 3.9 117
9H-5, 130–140 74.40 7.43 2.010 1.959 566.3 25.32 –13.56 34.24 0.38 622 13.5 51.2 485.2 12.4 12.2 49.1 477 10.9 735 BD 5.0 3.8 92
9H-6, 40–50 75.00 7.37 2.022 1.968 565.3 25.57 –12.56 33.30 0.43 576 13.6 51.7 486.5 12.0 12.0 48.6 467 10.3 730 BD 5.2 3.0 95
9H-6, 90–100 75.50 7.39 2.021 2.016 565.4 26.65 –8.86 38.65 0.53 465 13.4 53.3 487.5 11.9 12.1 50.6 476 10.8 759 BD 5.2 3.1 104
329-U1365C-
4H-2, 130–140 27.85 7.30 2.368 2.401 — — — — 0.93 479 10.2 53.9 479.6 13.1 10.3 51.9 479 11.8 664 BD 5.6 4.7 104
4H-3, 70–80 28.75 7.26 2.350 2.392 — — — 54.29 0.79 490 10.5 55.1 485.9 12.8 10.5 53.0 481 11.6 670 BD 6.8 4.3 108
4H-3, 140–150 29.45 7.29 2.428 2.418 — — — 44.86 0.87 533 10.4 55.1 486.6 12.8 10.3 51.8 475 11.0 700 BD 7.6 6.1 111
4H-4, 70–80 30.25 7.33 2.392 2.402 — — — 44.43 0.66 531 10.3 54.7 487.6 13.2 10.1 51.1 478 11.3 792 BD 8.3 8.1 119
4H-4, 140–150 30.95 7.28 2.369 2.431 — — — 44.92 0.85 493 10.2 54.8 486.4 13.0 10.2 52.1 475 11.4 759 BD 19.1 4.0 93
4H-5, 70–80 31.75 7.21 2.429 2.441 — — — 45.46 0.62 591 10.2 53.6 484.0 13.5 10.4 51.7 476 12.1 753 BD 5.4 4.2 95
4H-5, 130–140 32.35 7.22 2.413 2.419 — — — 44.75 0.84 517 10.2 54.4 487.9 13.1 10.3 51.4 475 11.4 780 BD 5.4 6.7 100
4H-6, 20–30 32.75 7.22 2.404 2.439 — — — 44.79 0.75 577 10.2 54.1 488.0 13.1 10.4 51.4 473 11.6 735 BD 5.1 4.8 96
4H-6, 90–100 33.45 7.22 2.410 2.398 — — — 44.82 0.74 562 10.3 54.3 490.6 13.4 10.3 51.1 472 11.6 783 BD 4.9 4.6 103
5H-1, 60–70 35.15 7.26 2.379 2.373 — — — 45.32 0.90 626 10.3 54.8 486.6 14.1 10.2 50.8 462 11.6 670 BD 5.9 4.1 93
5H-1, 140–150 35.95 7.41 2.398 2.341 — — — 31.13 0.77 507 10.3 54.5 488.1 13.7 10.4 52.0 475 12.0 661 BD 6.0 2.7 92
5H-2, 60–70 36.65 7.38 2.386 2.388 — — — 45.32 0.94 545 9.9 53.3 472.5 14.2 10.2 51.5 468 12.3 666 BD 6.5 5.3 89
5H-2, 122–132 37.27 7.33 2.310 2.292 — — — 45.29 0.82 603 10.3 54.6 485.8 14.7 10.2 51.8 471 12.8 644 BD 6.0 4.2 105
7H-3, 50–60 65.88 7.35 1.960 1.939 — — — 44.95 0.67 603 13.7 53.5 478.9 11.5 12.4 51.4 479 10.5 652 BD 7.2 4.1 116
7H-3, 90–100 66.28 7.50 2.094 2.026 — — — 35.39 0.47 610 13.6 52.2 481.5 12.5 12.3 49.8 474 11.1 776 BD 12.3 5.8 129
7H-3, 125–135 66.63 7.35 1.951 1.897 — — — — 0.56 625 13.4 52.1 479.7 12.3 12.2 49.9 477 10.9 703 BD 5.1 4.0 94
8H-1, 130–140 68.45 7.53 2.148 2.009 — — — 33.47 0.50 630 12.9 53.5 489.2 12.4 11.7 50.0 466 10.5 658 BD 6.9 4.0 89
8H-2, 70–80 69.35 7.47 2.050 1.959 — — — 19.72 0.48 593 13.6 52.8 483.7 11.9 12.4 50.2 473 10.5 703 BD 5.4 3.6 100
8H-2, 130–140 69.95 7.35 1.990 1.920 — — — 32.74 0.54 612 13.5 51.8 485.7 12.3 12.3 49.4 472 11.0 760 BD 5.0 3.9 103
8H-3, 0–10 70.15 7.47 2.070 2.002 — — — 33.13 0.85 596 13.8 51.6 482.3 12.0 12.6 49.8 476 10.9 774 BD 5.0 4.0 108
8H-3, 55–67 70.71 7.35 1.988 1.948 — — — — 0.56 602 13.4 51.4 488.4 12.7 12.1 48.6 468 11.0 800 BD 5.8 4.1 108
9H-2, 70–80 73.25 7.43 2.012 1.991 — — — 30.45 0.44 658 13.4 50.5 485.8 12.4 12.2 49.0 470 11.0 885 BD 7.3 3.9 117
9H-3, 70–80 74.75 7.43 2.010 1.980 — — — — 0.40 588 13.6 53.7 489.3 11.5 12.4 50.9 472 10.2 684 BD 8.1 3.6 106

ISE = ion-selective electrode, TITRAUTO = automated titration, IC = ion chromatography, Calc. anom.= calculated anomaly, Spec. = spectrophotometry, ICPAES = inductively coupled plasma–atomic emission spectroscopy. — = no data. BD = below detection. D-IC = Dionex IC, M-IC = Metrohm IC.

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