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Table T8. Interstitial fluid chemistry, Site U1366.

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) UV-VIS IC P
(µM) Spec. 		Si
(µM) Spec. 		Ca (mM) Dx-IC Mg (mM) Dx-IC Na (mM) Dx-IC K
(mM) Dx-IC 		Ca (mM) ICPAES Mg (mM) ICPAES Na (mM) ICPAES B
(µM) ICPAES 		Fe
(µM) ICPAES 		Mn (µM) ICPAES Sr
(µM) ICPAES
329-U1366D-
1H-1, 30–40 0.35 7.42 2.664 2.54 553.73 27.91 –2.57 34.87 1.53 266 10.2 51.4 482 12.4 10.1 51.9 480 529 6 5 89
1H-1, 80–90 0.85 7.32 2.559 2.56 554.50 27.93 –2.63 35.22 1.87 295 10.4 51.2 482 12.2 10.0 50.7 471 555 6 6 89
1H-1, 130–140 1.35 7.39 2.578 2.58 555.70 27.94 –2.78 35.40 1.94 311 10.4 50.9 481 12.2 10.3 51.4 481 586 7 5 90
1H-2, 30–40 1.85 7.35 2.563 2.56 556.25 27.94 –2.90 35.74 1.93 248 10.4 51.3 484 12.3 10.2 50.6 474 586 7 5 89
1H-2, 80–90 2.35 7.41 2.621 2.57 555.74 27.92 –2.86 35.43 1.64 304 10.4 51.6 484 12.2 10.1 50.9 477 584 7 9 89
1H-2, 130–140 2.85 7.55 2.793 2.56 557.05 28.01 –2.79 35.91 — — 10.4 51.7 485 12.3 10.0 50.8 477 570 6 7 89
1H-3, 30–40 3.35 7.49 2.731 2.63 557.96 28.07 –2.73 36.69 1.88 293 10.4 51.5 486 12.6 10.4 51.6 480 578 7 7 89
1H-3, 80–90 3.85 7.32 2.539 2.56 555.84 27.99 –2.66 36.06 1.53 286 10.5 52.0 485 12.3 10.1 51.0 474 591 7 5 90
1H-3, 130–140 4.35 7.36 2.544 2.54 557.15 28.00 –2.83 36.48 1.22 268 10.5 51.9 483 12.1 10.3 51.6 478 560 7 4 90
1H-4, 30–40 4.85 7.31 2.565 2.61 558.76 28.12 –2.69 36.00 1.84 272 — — — — 10.2 51.5 473 529 5 5 88
1H-4, 80–90 5.35 7.43 2.641 2.60 557.20 28.05 –2.67 36.53 1.46 264 10.4 51.9 485 12.4 10.1 51.1 474 599 7 5 90
1H-4, 130–140 5.85 7.35 2.500 2.61 557.53 28.05 –2.75 36.76 1.39 253 10.2 51.3 481 12.5 10.2 51.8 481 615 8 5 90
1H-5, 30–40 6.35 7.33 2.649 2.65 557.44 28.04 –2.75 36.35 1.45 289 10.2 51.7 487 12.7 10.3 51.9 487 571 6 5 88
1H-5, 80–90 6.85 7.37 2.644 2.59 558.69 28.08 –2.84 36.73 1.30 282 10.1 51.5 484 12.5 9.7 50.0 446 567 6 5 89
1H-5, 130–140 7.35 7.39 2.568 2.57 558.29 28.07 –2.80 36.60 1.25 — 10.3 52.1 487 12.6 10.1 51.0 479 632 8 6 90
1H-6, 30–40 7.85 7.40 2.715 2.65 558.40 27.97 –3.17 36.58 1.17 266 10.4 51.6 485 12.7 10.0 50.9 474 571 6 6 89
1H-6, 80–90 8.35 7.41 2.662 2.60 558.56 27.99 –3.14 37.10 — — 10.5 52.2 487 12.2 10.2 51.2 475 589 6 6 90
1H-7, 10–20 8.85 7.53 2.603 2.64 — — –2.74 37.43 1.16 270 10.6 52.7 488 12.3 10.1 50.9 477 594 6 6 89
2H-1, 30–40 9.75 7.37 2.693 2.68 559.87 27.84 –3.86 36.93 0.94 249 10.5 51.2 483 12.1 10.0 50.8 473 608 7 6 90
2H-1, 80–90 10.25 7.40 2.753 2.72 559.34 27.83 –3.82 37.27 0.88 258 10.3 51.2 482 11.9 10.5 51.8 481 579 6 6 89
2H-1, 130–140 10.75 7.37 2.720 2.69 560.19 27.67 –4.52 37.23 1.20 257 10.6 51.0 478 11.6 10.6 51.7 482 643 7 6 91
2H-2, 30–40 11.25 7.36 2.779 2.75 560.15 27.48 –5.15 37.38 1.09 269 10.5 51.1 484 11.8 10.4 51.2 477 618 9 7 90
2H-2, 80–90 11.75 7.53 2.830 2.73 563.70 27.74 –4.87 37.39 0.89   10.6 51.4 488 11.9 10.4 50.5 477 668 7 6 91
2H-2, 130–140 12.25 7.35 2.738 2.73 561.09 27.63 –4.79 37.96 0.99 287 10.5 50.6 480 11.6 10.2 50.8 477 617 5 7 89
2H-3, 30–40 12.75 7.35 2.743 2.73 — — — 37.64 1.15 249 10.5 50.4 482 11.7 10.4 51.5 484 682 7 5 90
2H-3, 80–90 13.25 7.35 2.803 2.80 563.28 27.11 –6.94 37.75 1.19 281 10.6 50.4 487 11.9 10.5 51.3 488 636 7 7 90
2H-3, 130–140 13.75 7.38 2.779 2.74 560.48 27.39 –5.51 38.14 1.01 282 10.4 51.0 482 11.5 10.5 51.4 488 692 6 5 90
2H-4, 30–40 14.25 7.39 2.806 2.75 560.62 27.10 –6.55 37.84 0.95 263 10.6 51.7 486 12.1 10.1 51.0 482 710 7 8 90
2H-4, 80–90 14.75 7.52 2.749 2.72 562.04 27.62 –5.01 37.81 — — 10.6 51.6 485 12.3 9.7 48.9 442 615 7 4 89
2H-4, 130–140 15.25 7.40 2.796 2.78 559.67 27.40 –5.34 37.80 0.86 291 10.4 51.1 484 12.2 10.3 51.7 490 690 7 7 89
329-U1366F-
1H-1, 120–130* 1.25 7.49 2.607 2.60 557.81 28.08 –2.67 — — — 10.4 51.1 482 12.4 10.3 51.4 485 609 6 4 89
1H-3, 60–70 3.65 7.37 2.585 2.58 557.39 28.17 –2.30 35.41 1.33 297 10.2 51.7 482 12.2 10.3 49.9 476 701 7 6 91
1H-3, 70–80* 3.75 7.47 2.648 2.59 557.14 28.04 –2.70 — — — 10.2 51.6 484 12.2 — — — — — — —
2H-1, 40–50* 5.95 7.46 2.609 2.62 558.23 28.10 –2.69 — — — 10.5 51.4 484 12.5 10.4 52.4 492 585 6 5 88
2H-2, 50–60 7.55 7.43 2.679 2.64 559.90 27.99 –3.34 36.73 1.03 275 10.4 51.3 484 12.2 10.5 51.3 486 623 6 5 89
2H-4, 50–60 10.55 7.40 2.774 2.80 560.67 27.68 –4.54 37.21 0.74 256 10.6 50.9 487 12.0 10.2 50.8 477 686 6 6 89
2H-5, 80–90 12.35 7.51 2.784 2.71 561.22 27.09 –6.68 38.08 0.74 258 10.3 51.0 486 12.3 10.6 51.5 491 660 7 4 90
3H-5, 120–130* 21.25 7.48 2.634 2.62 — — — — — — 10.4 52.6 487 12.0 — — — — — — —
2H-6, 0–10 13.05 7.53 2.809 2.71 561.49 27.51 –5.26 37.75 0.72 147 10.3 51.1 488 12.4 10.0 50.7 478 674 7 6 90
2H-6, 10–20* 13.15 7.53 2.809 2.76 560.77 27.71 –4.46 — — — — — — — 10.6 52.7 493 674 6 5 89
3H-1, 30–40 14.35 7.45 2.812 2.76 563.03 27.44 –5.77 31.39 0.89 249 10.6 50.7 490 12.0 9.6 49.5 437 605 6 4 89
3H-1, 80–90 14.85 7.46 2.730 2.68 563.59 27.73 –4.89 27.28 0.92 224 — 51.3 489 12.2 10.6 52.4 493 730 7 8 90
3H-1, 130–140 15.35 7.71 2.867 2.65 562.37 28.25 –2.87 38.00 1.06 217 10.3 51.6 486 12.1 10.3 51.8 489 598 7 8 89
3H-2, 30–40 15.85 7.40 2.662 2.62 562.85 28.35 –2.63 38.21 1.00 226 10.2 51.6 484 11.9 9.7 49.0 459 583 6 5 89
3H-2, 80–90 16.35 7.49 2.741 2.64 563.64 28.35 –2.74 37.68 0.81 245 10.2 52.4 488 12.4 10.4 52.3 486 636 7 8 90
3H-2, 130–140 16.85 7.36 2.696 2.70 564.96 28.14 –3.72 38.03 — 223 10.5 52.2 491 12.4 10.3 51.0 478 636 7 5 90
3H-3, 30–40 17.35 7.47 2.666 2.63 564.72 28.23 –3.37 38.35 0.75 220 10.2 52.2 489 12.0 10.4 52.1 487 612 6 5 89
3H-3, 80–90 17.85 7.44 2.630 2.59 565.21 28.21 –3.51 38.96 0.63 244 10.6 52.8 488 13.3 10.4 51.9 481 633 7 4 90
3H-3, 130–140 18.35 7.41 2.621 2.59 564.95 28.09 –3.88 39.17 0.96 244 10.8 52.3 492 12.0 10.9 52.2 487 567 6 5 89
3H-4, 30–40 18.85 7.43 2.623 2.63 567.34 28.52 –2.83 39.30 1.03 246 10.7 52.6 494 12.1 10.7 52.1 487 558 6 5 89
3H-4, 80–90 19.35 7.39 2.597 2.58 567.42 28.87 –1.63 39.33 0.86 258 10.8 53.3 491 12.2 11.1 54.1 494 528 7 5 90
3H-4, 130–140 19.85 7.68 2.749 2.60 568.92 28.60 –2.80 39.26 1.00 274 10.6 52.8 491 12.1 8.0 40.0 367 545 6 4 89
3H-5, 30–40 20.35 7.49 2.635 2.62 566.66 28.38 –3.19 39.31 0.73 287 10.6 52.8 490 12.0 10.9 52.2 495 566 38 4 90
3H-5, 80–90 20.85 7.43 2.709 2.69 567.85 28.28 –3.72 38.79 0.56 235 10.5 52.4 491 12.1 10.1 51.0 478 591 7 5 90
3H-5, 130–140 21.35 7.38 2.621 2.56 567.36 28.57 — 39.65 0.80 309 10.6 52.4 488 11.8 11.0 52.8 490 532 6 4 89
3H-6, 30–40 21.85 7.88 2.760 2.71 568.86 28.38 –3.56 39.85 0.98 259 10.4 52.3 486 11.8 10.7 52.7 489 661 7 7 91
3H-6, 80–90 22.35 7.55 2.792 2.63 569.29 28.86 –2.01 39.21 0.60 212 10.6 53.3 489 11.9 10.6 53.0 485 610 7 6 91
3H-6, 130–140 22.85 7.41 2.705 2.68 569.10 28.32 –3.80 39.30 0.85 272 10.4 53.0 491 12.0 10.4 52.5 485 611 6 5 90
3H-7, 20–30 23.25 7.51 2.713 2.66 571.57 28.65 –3.10 39.38 0.58 243 10.3 53.3 491 11.9 10.3 52.5 485 594 6 5 90
4H-1, 30–40 23.85 7.54 2.662 2.58 569.63 28.64 –2.78 33.89 0.47 253 10.3 52.7 486 12.0 10.6 53.6 494 602 6 5 91
4H-1, 80–90 24.35 7.55 2.633 2.54 569.51 28.20 –4.27 25.10 0.44 230 10.3 53.2 489 12.0 10.5 52.8 480 580 6 6 90
4H-1, 130–140 24.85 7.49 2.786 2.70 569.22 27.78 –5.65 41.18 0.73 264 11.0 51.0 494 12.4 11.2 51.6 494 599 6 5 90
4H-2, 30–40 25.35 7.44 2.665 2.62 569.93 27.81 –5.66 39.65 0.72 264 10.4 50.7 487 12.0 11.3 52.4 497 661 7 5 91
4H-2, 80–90 25.85 7.46 2.720 2.66 571.25 27.95 –5.39 39.35 0.43 — 10.4 50.4 486 12.3 11.1 51.0 489 636 5 5 89
4H-2, 120–130 26.25 7.41 2.791 2.80 570.18 27.98 — 39.18 0.62 269 — 49.6 485 12.5 11.2 50.1 489 685 7 7 90
4H-2, 130–140* 26.35 7.56 2.681 2.63 — — — — — — 10.4 51.4 493 12.1 — — — — — — —
4H-3, 30–40 26.85 7.38 2.593 2.62 569.44 27.95 –5.12 39.77 0.57 — 10.6 51.3 489 12.0 10.3 49.9 476 583 7 5 90
4H-3, 80–90 27.35 7.45 2.664 2.65 569.41 28.01 –4.89 39.41 — 270 10.6 51.1 490 12.0 10.7 50.4 482 595 7 5 90
4H-3, 130–140 27.85 7.48 2.723 2.59 570.73 28.06 –4.93 39.61 0.56 279 10.6 52.6 494 11.8 10.7 52.0 484 586 6 5 90
4H-4, 10–20 28.15 7.54 2.637 2.71 570.36 28.15 –4.58 39.92 0.74 257 9.9 52.2 486 11.7 10.5 52.4 485 647 7 6 91
4H-4, 70–80 28.75 7.41 2.706 2.71 569.83 28.10 — 40.03 0.57 228 9.9 52.8 494 12.6 10.2 51.7 485 649 6 4 90
4H-4, 80–90* 28.85 7.59 2.817 2.66 — — — — — — 10.0 53.2 495 12.4 — — — — — — —
4H-5, 40–50 29.36 7.40 2.671 2.51 572.29 28.84 –2.56 39.38 0.54 263 10.4 53.5 496 11.9 10.8 52.7 489 597 6 5 90

* = δ14C samples. ISE = ion-selective electrode, TITRAUTO = automated titration, TOC = total organic carbon analyzer, IC = ion chromatography, M-IC = Metrohm IC, Calc. anom. = calculated anomaly, UV-VIS = ultraviolet-visible, Spec. = spectrophotometry, Dx-IC = Dionex lC, ICPAES = inductively coupled plasma–atomic emission spectroscopy. BD = below detection. — = no data.

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