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Table T24. Interstitial water data from rhizon samples, Site U1334. (See table notes.)

Core, section,
interval (cm)
Depth (m) pH Alkalinity
(mM)
SO42–
(mM)
H4SiO4
(µM)
Mn2+
(µM)
Fe2+
(µM)
B
(µM)
Sr2+
(µM)
Ba2+
(µM)
Li+
(µM)
CSF CCSF-A
320-U1334B-
13H-5, 75 122.45 141.44 7.5 3.23 23.5 700 5.44 0.60 492 97.5 BDL 16.7
13H-6, 75 123.95 142.94 7.4 3.23 25.7 653 4.74 0.27 477 94.4 BDL 15.9
320-U1334C-
13H-5, 75 120.75 145.88 7.5 3.17 26.7 728 4.31 BDL 477 101.5 BDL 16.9
13H-6, 75 122.25 147.38 7.6 3.31 24.6 703 4.01 BDL 468 99.2 BDL 16.0
14H-1, 79 124.29 151.35 7.6 3.09 24.6 572 3.48 0.20 491 99.2 0.85 15.6
14H-2, 79 125.79 152.85 7.4 3.42 26.0 580 3.69 0.70 482 98.1 0.66 15.3
14H-3, 79 127.29 154.35 7.4 3.18 24.5 667 3.05 0.14 486 104.3 BDL 16.3
14H-4, 79 128.79 155.85 24.6 623 3.04 0.23 485 100.5 BDL 16.2
14H-5, 79 130.29 157.35 7.6 3.21 25.4 643 3.32 1.26 470 97.9 BDL 15.9
14H-6, 79 131.79 158.85 7.5 3.23 26.5 669 2.70 0.27 478 101.4 BDL 16.7
15H-1, 75 133.75 161.98 7.5 2.73 25.8 410 2.33 0.66 440 89.1 BDL 19.4
15H-2, 75 135.25 163.48 7.5 3.30 25.3 640 2.36 0.45 463 97.2 BDL 15.3
15H-3, 75 136.75 164.98 7.4 3.27 24.4 617 2.26 0.30 460 94.9 0.62 15.1
15H-4, 75 138.25 166.48 7.5 3.28 25.2 668 2.05 BDL 483 98.8 BDL 16.0
15H-5, 75 139.75 167.98 7.6 3.24 25.5 673 1.93 0.53 478 96.7 BDL 15.6
15H-6, 75 141.25 169.48 7.5 3.19 24.9 705 1.87 0.75 485 98.7 BDL 15.6
16H-1, 100 143.50 173.19 7.5 3.31 26.0 652 1.57 0.98 473 97.1 BDL 15.2
16H-2, 75 144.75 174.44 7.6 3.19 24.6 684 1.56 1.69 485 100.1 BDL 15.6
16H-3, 75 146.25 175.94 7.6 3.35 26.1 690 1.52 1.42 479 101.1 BDL 15.5
16H-4, 75 147.85 177.54 7.7 3.47 24.9 683 2.05 1.47 483 103.0 0.60 16.5
16H-5, 75 149.25 178.94 7.6 2.95 24.5 715 1.56 2.55 481 101.2 BDL 16.2
16H-6, 75 150.75 180.44 7.6 2.96 25.7 693 1.39 1.74 468 99.2 BDL 15.5
17H-1, 115 153.15 183.50 7.7 3.01 26.2 686 1.21 1.50 482 100.1 BDL 15.5
17H-2, 75 154.25 184.60 7.6 3.34 24.4 731 1.26 0.57 483 99.2 BDL 15.2
17H-3, 75 155.75 186.10 7.7 3.13 26.3 753 1.22 3.77 480 101.4 BDL 16.4
17H-4, 75 157.25 187.60 7.6 3.11 24.4 719 1.17 2.37 475 99.2 0.46 15.9
17H-5, 75 158.75 189.10 7.6 3.17 23.7 720 1.08 2.27 466 95.7 BDL 15.1
17H-6, 75 160.25 190.60 7.5 3.13 25.6 703 1.71 4.53 491 102.8 BDL 16.3
18H-1, 75 162.25 193.69 7.7 3.20 24.1 707 1.00 1.93 467 98.0 BDL 16.0
18H-2, 75 163.75 195.19 3.30 25.2 722 1.05 2.33 477 100.8 BDL 15.8
18H-3, 75 165.25 196.69 7.9 3.72 24.1 662 0.99 3.01 476 97.9 BDL 15.3
18H-4, 75 166.75 198.19 7.6 3.23 26.2 672 0.98 2.85 481 100.7 BDL 15.6
18H-5, 75 168.25 199.69 7.6 3.48 25.1 659 0.94 2.31 487 100.4 BDL 15.6
18H-6, 75 169.75 201.19 7.5 3.21 24.7 731 0.91 2.81 479 97.6 BDL 15.3
19H-1, 75 171.75 204.27 7.5 3.31 26.4 710 1.36 3.97 482 101.6 BDL 15.6
19H-2, 75 173.25 205.77 7.6 3.30 25.8 665 0.76 2.52 474 98.4 BDL 15.3
19H-3, 75 174.75 207.27 7.6 3.10 25.2 698 0.77 2.54 473 98.9 BDL 15.5
19H-4, 75 176.25 208.77 7.6 3.25 25.6 663 0.84 1.82 469 96.1 BDL 15.0
19H-5, 75 177.75 210.27 7.5 3.24 25.1 375 0.81 2.66 479 97.9 BDL 15.4
19H-6, 75 179.25 211.77 7.5 3.39 26.1 690 0.75 1.55 456 94.4 BDL 15.0
20H-1, 75 181.25 215.02 7.5 3.25 25.7 685 1.09 2.48 464 99.1 BDL 15.7
20H-2, 75 182.75 216.52 7.4 3.34 25.7 675 0.87 1.43 474 97.6 BDL 15.6
20H-3, 75 184.25 218.02 7.5 3.52 25.7 691 1.42 2.47 471 97.4 BDL 15.7
20H-4, 75 185.75 219.52 7.4 3.33 24.5 709 0.77 1.40 471 99.4 BDL 15.8
20H-5, 75 187.25 221.02 7.6 3.12 24.4 897 0.69 1.35 480 100.4 BDL 16.8
20H-6, 75 188.75 222.52 7.6 3.12 24.1 733 0.70 0.87 461 97.3 BDL 16.1
21H-1, 75 190.75 224.95 7.6 3.29 25.5 712 0.65 0.24 466 103.7 BDL 17.5
21H-2, 75 192.25 226.45 7.6 3.30 23.9 697 0.59 0.23 457 101.8 BDL 17.3
21H-3, 75 193.75 227.95 7.6 3.33 24.8 692 0.59 0.12 460 101.3 BDL 17.0
21H-4, 75 195.25 229.45 7.6 3.46 25.0 716 0.59 0.19 484 99.2 BDL 15.9
21H-5, 75 196.75 230.95 7.6 3.32 25.3 690 0.57 BDL 455 99.7 BDL 17.8
21H-6, 75 198.25 232.45 24.6 708 0.56 BDL 474 100.2 BDL 16.9
22H-1, 75 200.25 236.05 7.6 3.25 24.7 649 0.45 BDL 465 100.4 BDL 17.8
22H-2, 75 201.75 237.55 24.1 459 0.46 0.23 465 101.5 BDL 17.5
22H-3, 75 203.25 239.05 7.7 3.32 25.6 659 0.43 0.10 463 98.8 BDL 17.4
22H-4, 75 204.75 240.55 7.7 3.30 24.6 687 1.22 0.29 462 99.6 BDL 16.9
22H-5, 75 206.25 242.05 7.7 3.69 23.5 686 0.49 0.24 461 95.9 BDL 16.6
22H-6, 75 207.75 243.55 7.6 3.58 24.9 668 0.27 BDL 471 95.7 BDL 16.9
23X-1, 75 209.75 250.68 7.7 2.31 25.3 371 1.74 BDL 428 86.8 BDL 22.0
23X-2, 75 211.25 252.18 7.6 2.59 26.8 457 1.03 BDL 441 91.9 BDL 21.1
23X-3, 75 212.75 253.68 7.6 3.00 25.7 595 0.17 0.19 465 96.3 BDL 18.6

Notes: — = no data. BDL = below detection limit (Mn2+ = 0.03 µM, Fe2+ = 0.1 µM, Ba2+ = 0.4 µM) calculated as three times the standard deviation of multiple measures of a blank. H4SiO4 values measured by different techniques during Expeditions 320 and 321 disagree significantly, especially for low values. Therefore, caution should be used concerning the H4SiO4 data and comparison between the different expeditions.

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