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Table T4. Concentrations of solutes corrected for drill-fluid contamination in interstitial waters, Site U1327.

Core, section,
interval (cm)
Depth
(mbsf)
Volume
(mL)
pH Alkalinity
(mM)
Salinity Cl
(mM)
SO4
(mM)
PO4
(µM)
NH4
(mM)
H4SiO4
(µM)
Cations (mM) Mg/Ca Trace elements (µM)
Na K Mg Ca Sr Li B Ba
311-U1327C-
1H-1, 140–150 1.5 48 7.45 5.5 34.0 548.6 27.4 24.7 0.3 648.0 452.4 11.5 48.0 8.9 5.38 80.9 44.1 488.0 0.0
1H-3, 140–150 4.5 42 7.65 13.8 33.0 542.7 15.6 38.0 0.7 632.3 447.0 10.5 44.9 6.4 6.99 71.8 35.8 482.0 0.0
2H-1, 140–150 7.6 40 7.80 22.5 32.0 536.7 1.5 91.8 1.4 482.8 434.9 9.6 39.7 3.5 11.36 65.8 30.0 500.3 5.2
2H-3, 140–150 10.6 44 7.64 24.4 31.5 531.3 0.0 62.7 1.5 603.5 429.6 9.3 39.2 3.4 11.63 65.3 29.1 507.7 9.8
2H-5, 140–150 13.6 42 7.78 25.7 32.0 525.8 0.0 58.1 1.9 718.1 433.0 9.8 38.1 3.5 11.00 67.6 30.3 540.5 18.8
2H-7, 54–64 15.7 40 7.71 26.3 31.5 524.8 0.0 65.4 1.9 594.1 418.8 9.1 36.3 3.1 11.76 66.7 32.0 552.9 28.4
3H-2, 140–150 18.6 58 7.97 26.8 31.0 522.9 0.0 66.3 1.7 560.9 421.0 9.7 35.4 2.8 12.54 65.6 33.5 559.8 34.9
3H-4, 140–150 21.6 56 7.97 27.4 30.5 517.9 0.0 56.3 1.9 518.7 417.3 9.8 35.8 2.3 15.43 66.6 32.7 546.3 37.6
3H-6, 140–150 24.6 63 8.06 26.7 30.0 515.4 0.0 81.8 1.5 578.2 411.6 9.6 33.7 1.8 18.96 62.7 31.6 549.4 32.3
4H-2, 135–150 28.0 60 8.00 23.9 30.0 507.0 0.0 65.4 1.9 539.0 411.1 9.8 31.0 1.4 21.94 56.4 31.6 575.2 20.7
4H-5, 135–150 32.5 60 8.03 22.9 29.5 499.1 0.0 66.3 2.0 647.1 413.0 9.7 30.3 0.9 32.06 54.3 31.1 545.1 17.1
5H-2, 135–150 37.5 52 8.11 23.8 28.5 485.7 0.0 69.0 1.9 614.5 401.5 9.0 27.4 3.0 8.99 53.0 30.1 479.6 14.0
5H-5, 135–150 42.0 54 8.16 24.1 28.0 479.8 0.0 54.5 2.3 538.9 399.9 9.3 26.6 2.0 13.34 53.5 29.6 478.3 14.1
7H-2, 135–150 49.0 49 8.08 24.2 27.5 462.5 0.0 43.6 2.6 493.7 378.0 7.8 25.4 2.3 10.82 54.1 29.6 446.6 17.4
7H-5, 135–150 53.5 48 8.06 24.6 26.5 453.0 0.0 59.0 2.6 520.4 379.4 7.8 24.1 2.5 9.45 54.5 29.3 450.7 22.3
8H-2, 120–150 58.5 50 8.32 24.4 26.0 445.6 0.0 37.2 3.3 377.3 369.1 8.3 22.6 2.3 9.98 54.2 30.4 376.4 37.8
8H-5, 125–150 63.0 53 8.21 24.3 25.5 437.2 0.0 44.5 3.5 497.0 364.8 7.9 22.2 2.2 10.26 55.1 32.2 385.4 42.4
9H-2, 120–150 68.0 66 8.08 24.4 25.0 427.8 0.0 69.9 4.1 652.2 360.4 7.6 21.6 2.0 10.61 57.3 33.2 421.8 47.3
9H-5, 125–150 72.5 61 8.15 23.8 25.0 422.8 0.0 61.8 4.1 741.8 351.9 7.8 20.1 1.9 10.76 55.4 37.0 409.1 49.7
10H-2, 125–150 77.5 49 8.10 20.9 24.5 416.9 0.0 39.0 4.2 756.4 354.4 7.3 18.8 1.6 11.68 52.1 37.4 355.9 43.1
10H-5, 125–150 80.6 48 8.10 22.9 24.0 415.4 0.0 39.9 4.6 773.1 351.6 7.2 19.2 2.0 9.40 54.0 37.2 371.2 45.7
11H-2, 125–150 87.0 58 8.19 23.4 24.0 408.0 0.0 33.8 5.5 746.1 345.6 7.3 19.0 2.8 6.87 54.6 37.8 392.0 49.3
11H-5, 125–150 91.5 46 8.30 23.2 23.8 404.5 0.0 20.9 5.7 703.3 342.6 7.5 17.3 2.9 5.99 53.3 38.1 355.4 52.1
12X-3, 120–150* 96.1
12X-5, 110–150* 98.9
13X-2, 115–150 105.3 19 7.97 23.2 23.5 398.6 0.0 18.9 6.7 678.2 345.0 7.2 16.3 3.6 4.50 53.5 40.5 363.5 55.5
13X-5, 71–101 109.0 46 8.04 23.9 23.5 394.9 0.0 19.7 6.3 900.0 338.6 6.2 16.8 3.9 4.31 53.8 40.8 375.4 51.4
13X-6, 110–150 110.8 16 8.08 22.3 24.0 396.3 0.0 16.5 6.8 686.3 335.6 6.9 17.1 3.6 4.71 52.7 40.5 359.1 55.3
14X-2, 115–150 114.9 17 23.5 395.0 0.0 12.3 6.8 690.8 335.4 6.3 16.5 3.5 4.73 52.5 42.7 364.6 51.8
14X-4, 102–112 117.7 12 7.93 23.6 23.0 397.0 0.0 14.0 7.2
14X-4, 112–122 117.8 20 23.0 395.0 0.0 11.5 6.7
14X-4, 122–130* 117.9
15P-1, 0–25 121.8 16 7.97 21.0 22.7 381.0 0.0 9.4 8.5 641.2 338.7 6.7 10.8 2.9 3.68 43.5 23.0 290.7 25.3
15P-1, 25–50 122.1 10
23.0 393.8 0.0 13.2 7.3
16X-2, 120–150 126.7 35 8.03 22.2 23.0 391.0 0.0 14.8 7.0 796.1 335.1 6.0 15.7 3.6 4.39 54.4 46.7 354.9 50.1
16X-4, 120–150 129.7 28 7.87 22.0 23.2 389.9 0.0 8.3 7.5 838.6 336.0 5.9 16.7 3.8 4.43 53.5 47.8 355.3 46.7
17X-2, 0–10 132.4 12 22.0 383.0 0.0 14.1 880.6 306.9 5.6 14.9 3.4 4.41 50.7 47.5 323.3 45.2
17X-2, 10–20 132.5 14 21.2 376.3 0.0 10.3 7.4 846.5 302.1 5.9 13.3 3.2 4.23 48.3 46.9 304.1 50.0
17X-3, 64–74 133.9 6 22.0 386.0 0.0 5.7 7.3 767.5 319.5 5.9 15.0 3.5 4.25 51.3 47.4 267.5 46.6
17X-4, 65–76 134.6 7 22.0 386.0 0.0 6.9
18X-2, 0–10 142.4 5 21.2 365.1 0.0 7.4 7.5 787.3 318.1 6.0 16.3 3.6 4.54 50.7 44.6 307.9 36.6
18X-2, 0–10 142.4 13 19.9 350.1 0.0 10.0
18X-2, 120–150 143.7 8 22.4 385.9 0.0 12.8 7.8 811.9 353.5 5.8 16.2 3.8 4.27 52.2 45.7 345.1 39.8
18X-5, 120–150 148.2 25 8.08 19.7 21.8 374.2 0.0 11.5 7.0 733.7 325.5 5.7 14.0 3.4 4.13 47.3 44.6 281.1 42.4
19X-2, 69–79 153.1 11 20.0 352.2 0.0 6.5 0.0
19X-4, 120–150 156.0 24 8.15 20.4 22.0 384.0 0.0 4.0 7.3 653.4 334.0 6.1 14.0 3.6 3.94 49.9 45.3 244.9 43.8
20X-2, 48–78 162.9 18 20.0 342.3 0.0 11.9 8.9 686.9 286.9 5.1 7.5 3.8 1.94 43.1 46.6 235.2 45.6
20X-4, 120–150 165.9 21 7.97 21.0 22.0 374.0 0.0 9.0 7.2
21X-2, 113–143 173.2 4 21.5 383.0 0.0 7.2
21X-4, 81–150 175.7 33 8.12 18.7 22.0 375.8 0.0 4.8 7.0 780.1 310.6 5.3 12.4 3.4 3.71 49.0 48.0 276.5 41.4
22X-1, 0–17 180.2 17 18.7 328.1 0.0 5.9 7.3 660.4 280.4 4.6 9.1 2.8 3.20 43.1 45.6 224.3 43.1
22X-1, 17–26 180.3 6 20.4 362.3 0.0 6.8 7.3
22X-1, 26–37 180.4 6 21.2 368.2 0.0 4.9 7.3
22X-2, 85–118 182.3 8 21.8 376.3 0.0 5.7 7.6
23X-1, 131–161 191.2 9 21.3 368.1 0.0 7.5 7.3
23X-3, 62–89 193.6 16 21.3 371.1 0.0 6.8
24P-1, 0–12 197.4 12 20.7 346.4 0.0
24P-1, 39–48 197.7 8 21.3 356.7 0.0
24P-1, 70–80 198.1 22 20.0 384.0 0.0
25X-1, 51–61 199.9 5 21.6 279.5 0.0 5.6
25X-1, 61–71 200.0 3 21.8 280.9 0.0 5.5
25X-3, 0–25 201.4 22 20.5 352.4 0.0 6.4 6.8 712.3 300.6 5.3 10.8 3.2 3.33 46.1 55.0 250.8 47.7
26X-2, 84–114 211.4 36 7.99 17.2 20.5 353.9 0.0 5.4 6.1 916.3 329.7 5.4 11.9 3.6 3.34 47.6 55.4 247.4 51.6
26X-5, 120–150 215.9 33 21.0 361.4 0.0 6.4 6.4 895.7 322.3 5.4 11.1 3.6 3.13 46.9 59.9 234.4 50.4
27X-1, 108–138 219.7 33 19.7 360.3 0.0 3.6 6.7 736.7 306.5 5.3 10.1 3.1 3.26 46.6 63.2 264.0 52.8
27X-3, 0–10 221.3 4 21.0 364.3 0.0
27X-3, 10–20 221.4 3 20.8 356.3 0.0
27X-4, 114–144 224.0 24 8.15 17.0 21.5 366.4 0.0 4.5 6.3 707.3 320.8 5.4 11.5 3.4 3.42 50.6 63.1 252.2 57.7
28X-1, 120–150 229.5 21 7.99 16.9 21.3 365.8 0.0 3.6 6.1 621.2 333.2 5.6 11.8 3.6 3.31 53.0 68.0 245.9 58.9
28X-3, 96–125 232.1 17 21.0 351.7 0.0 2.7 5.9 709.6 313.7 5.1 10.1 3.4 2.96 48.4 63.7 221.7 54.8
29X-2, 120–150* 240.6
30X-2, 88–118 249.9 20 8.13 17.2 21.5 370.4 0.0 6.2 736.1 323.1 5.8 10.7 3.7 2.88 51.0 73.5 236.8 68.3
31X-4, 120–150 262.9 40 8.09 17.4 21.5 367.4 0.0 3.6 5.8 838.4 326.8 5.9 11.2 4.3 2.58 54.4 80.4 254.2 73.8
32X-4, 120–150 272.6 20 21.6 366.8 0.0 6.0 617.1 330.7 6.1 9.5 3.7 2.58 52.2 80.0 141.2 73.6
33X-4, 120–150 282.2 33 8.31 16.4 21.8 366.3 0.0 2.7 794.1 328.4 6.0 10.2 3.7 2.72 54.6 83.9 188.0 72.6
34X-4, 120–150 291.8 12 21.0 373.8 0.0 3.6
35X-2, 120–150 298.4 33 21.5 369.4 0.0 4.6
311-U1327D-
1H-1, 25–40 0.3 70 7.62 3.5 34.5 551.6 28.9 5.4 0.0 457.6 11.6 49.9 9.8 5.07 85.4
1H-1, 55–70 0.6 72 7.65 3.9 34.0 550.6 28.8 9.1 0.0 466.7 11.8 47.6 9.8 4.83 83.6
1H-1, 80–95 0.9 70 7.66 4.1 34.0 550.1 28.9 12.7 0.0 479.0 12.2 50.3 10.1 4.98 82.3
1H-1, 135–150 1.4 60 7.58 5.8 34.0 550.1 28.1 20.0 0.1 461.7 12.1 49.4 8.9 5.54 81.7
1H-2, 25–40 1.8 74 7.71 6.5 34.0 27.8 22.7 0.2 459.3 12.0 50.1 9.6 5.22 80.8
1H-2, 55–70 2.1 62 7.71 6.5 33.8 24.8 32.7 0.2 467.2 11.1 46.6 9.3 5.02 80.3
1H-2, 80–95 2.4 70 7.66 8.6 33.8 23.2 34.5 0.2 469.6 11.6 47.7 8.7 5.48 80.9
1H-2, 135–150 2.9 60 7.79 10.4 33.8 21.4 37.2 0.4 447.6 11.6 45.0 7.1 6.37 76.4
1H-3, 10–25 3.2 68 7.88 11.0 33.8 20.1 36.3 0.3 479.5 11.4 46.5 7.9 5.88 78.1
1H-3, 40–55 3.5 58 7.71 11.5 33.5 19.5 39.1 0.4 470.9 11.2 45.5 7.1 6.38 76.3
1H-3, 65–80 3.7 50 7.78 12.6 33.5 17.9 40.9 0.6 435.7 11.0 43.9 6.2 7.14 76.1
1H-3, 120–135 4.3 40 7.79 13.9 33.0 16.2 49.1 0.7 454.7 10.5 43.8 7.4 5.96 75.0
1H-4, 25–40 4.8 45 7.59 14.8 33.0 14.1 53.6 0.7 449.4 10.5 44.4 5.9 7.52 74.3
1H-4, 55–70 5.1 21 7.75 16.2 32.7 12.9 20.0 0.9 448.9 11.3 43.2 6.6 6.56 77.0
1H-4, 80–95 5.4 65 7.74 16.9 32.5 11.1 57.2 0.8 442.4 10.9 42.2 6.6 6.39 73.1
1H-4, 135–150 5.9 50 7.79 18.0 32.2 9.7 63.6 0.9 446.2 10.4 40.7 5.1 7.93 70.4
2H-1, 25–40 7.2 57 7.94 23.6 31.7 0.2 108.1 1.2 455.2 10.2 40.3 3.0 13.66 67.2
2H-1, 55–70 7.5 31 7.84 23.4 31.7 0.2 101.8 1.3 459.5 9.7 37.5 3.5 10.66 67.7
2H-1, 80–95 7.8 44 7.87 23.6 31.7 0.2 103.6 1.5 459.4 10.0 39.3 2.5 15.42 66.2
2H-1, 135–150 8.3 53 7.75 24.0 31.5 0.0 96.3 1.7 436.1 9.6 38.3 3.2 12.09 67.3
2H-3, 55–70 10.5 50 7.88 24.0 31.7 0.0 65.0 1.4 460.6 10.1 40.0 3.4 11.64 69.7
2H-4, 80–95 12.3 20 7.80 25.2 31.5 0.0
2H-5, 55–70 13.8 45 7.75 25.5 31.5 0.0 51.8 1.8 441.2 9.7 37.3 3.4 11.12 68.6
2H-6, 80–95 15.3 40 31.0 0.0 49.1 1.6 434.0 11.0 37.3 3.1 12.20 70.7
4E-1, 0–20 125.4 20 21.2 0.0 15.0 323.8 6.7 3.6 3.7 0.97 23.6
4E-1, 95–110 126.3 10 22.5 391.6 0.0 5.9 330.4 6.0 15.6 3.6 4.38 53.6
5X-2, 74–84 128.6 8 23.0 391.6 0.0
5X-2, 84–94 128.7 1 3.7 67.8 0.0 6.1
6Y-1, 49–68 132.6 12 21.8 373.8 0.0 308.4 5.9 13.0 2.2 5.94 48.3
7X-3, 38–48 135.8 3 17.3 334.6 0.0
7X-3, 48–54 135.8 5 19.5 335.0 0.0 7.6
7X-3, 48–54 135.8 4 15.8 275.4 0.0
10P-1, 18–28 155.3 5 19.3 336.4 0.0 6.9
10P-1, 45–55 155.6 2 18.5 333.2 0.0
10P-1, 78–88 155.9 4
19.1 351.7 0.0 4.5
11X-1, 67–70 157.7 4 17.1 0.0
11X-1, 70–72 157.7 1 13.5 0.0
15X-3, 49–59 222.0 2 3.7 70.4 0.0
15X-3, 49–59 222.0 1 18.0 313.4 0.0 3.4
17P-1, 25–35 246.3 4 21.1 369.7 0.0 2.6
17P-1, 70–80 246.8 3 21.0 369.6 0.0 2.5
311-U1327E-
1H-1, 25–40 3.3 40 7.74 13.6 33.5 16.0 41.8 0.5 452.5 10.9 45.4 7.2 6.27 76.9
1H-1, 55–70 3.6 40 7.62 13.2 33.0 14.9 50.9 0.5 452.4 11.2 42.5 6.7 6.32 77.1
1H-1, 80–95 3.9 60 7.67 13.9 33.0 14.2 52.6 0.5 388.6 10.8 43.9 5.0 8.79 76.0
1H-1, 135–150 4.4 40 33.0 11.5 28.4 0.6 439.4 10.9 44.0 6.2 7.05 76.4
1H-2, 25–40 4.8 55 7.74 16.6 32.0 10.0 43.4 0.6 463.2 11.4 41.4 5.8 7.18 73.6
1H-2, 55–70 5.1 65 32.5 9.6 64.3 0.7 444.3 11.4 41.6 5.7 7.34 72.8
1H-2, 80–95 5.4 60 7.69 17.2 32.0 8.9 66.8 0.6 440.5 10.2 39.2 4.9 7.98 73.3
1H-2, 135–150 5.9 56 7.64 18.5 32.0 6.5 74.3 0.8 435.7 10.7 40.7 4.7 8.70 72.4
1H-3, 25–40 6.3 56 7.81 18.2 32.0 7.4 75.9 0.8 452.1 10.8 40.4 4.2 9.57 72.9
1H-3, 55–70 6.6 62 7.80 20.1 32.0 5.0 80.1 0.8 468.3 11.1 42.6 4.4 9.67 71.4
1H-3, 80–95 6.9 56 7.78 19.6 31.8 5.0 82.6 0.8 461.2 10.5 40.3 4.2 9.53 71.1
1H-3, 135–150 7.4 60 20.4 31.8 4.2 90.9 0.9 468.7 10.9 40.1 3.8 10.57 69.7
1H-4, 25–40 7.8 66 7.93 19.6 31.8 5.3 97.6 0.8 462.9 10.5 40.2 3.4 11.97 70.1
1H-4, 55–70 8.1 70 7.94 21.9 31.8 2.1 100.1 0.8 440.2 10.3 40.9 3.1 13.40 68.4
1H-4, 80–95 8.4 50 7.97 21.5 31.8 3.2 97.6 0.9 439.2 10.6 40.2 3.3 12.18 70.9
1H-4, 135–150 8.9 56 7.96 22.4 31.5 2.0 93.4 1.0 429.5 9.9 39.7 1.9 20.66 69.8
1H-5, 25–40 9.3 64 7.88 25.3 31.5 0.2 87.6 1.0 439.8 9.8 39.7 3.2 12.48 69.9
1H-5, 55–70 9.6 64 7.94 25.9 31.5 0.3 82.6 1.0 472.3 10.8 39.3 3.2 12.35 71.6
1H-5, 80–95 9.9 66 8.04 23.6 31.5 0.1 74.3 1.1 456.4 10.6 40.4 3.5 11.61 68.9
1H-5, 135–150 10.4 56 7.84 24.1 31.5 0.0 68.4 1.0 447.2 10.5 40.5 3.5 11.58 70.2
1H-6, 25–40 10.8 58 7.79 24.3 31.5 0.0 65.1 1.1 468.5 10.7 40.2 3.4 11.73 71.1
1H-6, 55–7– 11.1 52 7.78 23.7 31.5 0.0 59.3 1.1 453.8 9.3 38.5 3.5 10.96 71.7
1H-6, 80–95 11.4 54 7.76 24.3 31.2 0.0 66.8 1.1 436.8 9.5 37.5 3.0 12.37 70.3
1H-6, 135–150 11.9 60 7.70 24.5 31.2 0.0 66.8 1.2 426.3 9.2 38.3 3.4 11.31 71.4
1H-7, 50–65 12.6 60 7.70 24.6 31.5 0.0 64.3 438.5 9.8 38.2 3.3 11.54 70.6
3P-1, 18–30 80.2 20 24.4 420.1 0.0
3P-1, 80–85 80.8 8 23.9 413.2 0.0 25.0

Notes: The corrections are based on dissolved sulfate concentrations, assuming zero sulfate concentration below the sulfate/methane interface. * = no interstitial water squeezed because of poor quality of sample. — = no data.

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