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Table T25. Interstitial water geochemistry, Hole U1304A.

Core, section,
interval (cm)		 Depth Anions (mM) pH Alkalinity
(mM)		 Salinity
(g/kg)		 Major cations (mM) Minor and trace constituents (µM)
(mbsf) (mcd) SO42– Cl– Na+ K+ Mg2+ Ca2+ NH4+ B Ba2+ Fe2+ Li+ Mn2+ H4SiO4 Sr2+
303-U1304A-
1H-1, 145–150 1.45 5.15 27.25 562 7.30 4.53 36 486 11.60 51.70 9.68 169 460 0.2 5.5 22.6 67.6 623 85.2
2H-1, 145–150 10.95 15.97 22.34 565 7.23 7.76 36 489 11.80 52.90 7.06 395 505 0.2 14.2 22.8 25.1 787 79.3
3H-1, 145–150 20.45 27.14 19.62 565 7.20 9.55 36 496 11.90 52.30 5.82 593 523 0.3 31.3 22.6 25.5 697 74.4
4H-1, 145–150 29.95 37.15 17.71 566 7.32 10.95 35 490 12.10 51.40 5.25 654 561 0.3 22.5 22.5 16.4 826 72.5
5H-1, 145–150 39.45 47.71 15.08 566 7.28 12.74 35 491 11.40 52.00 4.31 853 535 0.3 4.3 21.4 11.2 841 69.8
6H-1, 145–150 48.95 58.15 12.69 564 7.41 14.13 34 482 11.30 50.60 3.78 1029 565 0.4 9.8 22.0 7.5 912 67.8
9H-1, 145–150 77.45 91.60 8.53 565 7.40 15.46 35 481 10.60 46.30 3.37 1267 583 0.5 4.3 23.2 2.8 895 70.0
12H-1, 145–150 105.95 122.70 6.17 562 7.50 18.24 35 488 11.00 46.40 2.74 1291 607 0.8 21.6 21.3 9.8 823 58.3
15H-1, 145–150 134.45 154.41 5.18 562 7.41 19.27 34 492 10.80 47.30 2.88 1372 556 1.0 6.1 22.0 9.5 812 56.4
18H-1, 145–150 162.95 186.36 4.07 563 7.58 18.97 35 485 10.40 45.80 2.87 1387 500 1.2 20.5 23.9 8.6 814 63.0
21H-1, 145–150 185.95 211.83 3.68 561 7.44 17.32 34 490 10.00 45.40 2.78 1341 536 1.3 23.5 24.4 5.5 809 63.3
24H-1, 145–150 214.45 242.59 2.81 560 7.66 18.21 33 490 9.87 45.00 2.65 1400 518 1.6 10.6 23.9 6.8 863 60.3

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