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Table T25. Interstitial water geochemistry, Hole U1306A.

Core, section,
interval (cm)		 Depth Anions (mM) pH Alkalinity
(mM)		 Salinity
(g/kg)		 Major cations (mM) Minor and trace constituents (µM) Sr/Ca
(µM/mM)
(mbsf) (mcd) SO42– Cl– Na+ K+ Mg2+ Ca2+ NH4+ B Ba2+ Fe2+ Li+ Mn2+ H4SiO4 Sr2+
303-U1306A-
1H-1, 145–150 1.45 1.45 27.90 560 7.02 3.94 36 486 12.0 50.9 10.2 55 462 0.3 0.1 20.3 27.3 487 81.6 8.0
2H-1, 145–150 9.75 10.47 21.60 562 7.30 9.38 36 487 11.6 49.8 8.6 489 537 0.5 10.9 16.6 33.3 682 78.0 9.1
3H-1, 145–150 19.25 19.63 17.40 568 7.28 11.20 36 490 11.7 48.8 7.3 614 534 0.3 24.4 15.4 25.2 643 73.7 10.1
4H-1, 145–150 28.75 30.84 11.70 568 7.36 13.10 35 485 11.3 47.5 6.8 685 526 0.1 15.8 14.1 36.0 665 70.3 10.4
5H-1, 145–150 38.25 41.18 11.00 570 7.35 14.10 35 490 10.8 46.1 6.0 746 559 0.4 12.8 14.5 31.5 765 68.7 11.5
6H-1, 145–150 47.75 51.84 8.48 571 7.42 14.90 35 491 10.7 45.5 5.1 832 515 0.3 18.2 15.0 15.6 719 66.5 13.2
7H-1, 145–150 57.25 61.89 4.58 570 7.46 15.50 35 488 10.3 44.5 4.0 879 504 0.4 17.9 15.8 12.0 682 66.6 16.7
10H-1, 145–150 85.75 92.29 0.66 570 7.48 18.70 34 489 9.5 42.2 3.7 1123 519 9.9 12.0 14.6 7.9 677 74.7 20.1
13H-1, 145–150 114.25 122.89 0.43 571 7.40 18.40 34 491 9.1 40.6 4.6 1289 519 10.3 23.5 14.8 10.9 824 76.4 16.6
17H-1, 145–150 144.25 156.78 0.50 575 7.69 18.70 33 495 9.2 39.7 5.3 1386 447 7.4 8.3 17.1 7.5 751 79.3 14.9
20H-1, 144–149 172.74 185.99 1.14 572 7.44 18.00 35 494 8.8 38.8 5.9 1548 519 8.0 22.1 19.6 14.4 893 83.8 14.2
23H-1, 145–150 201.25 216.72 1.31 573 7.27 16.50 34 495 8.2 38.3 6.3 1782 523 8.4 41.9 24.0 10.8 945 83.8 13.3
26H-1, 145–150 229.75 247.76 1.08 577 7.37 15.80 35 497 7.9 38.1 7.2 1719 471 9.0 25.3 27.6 10.8 928 87.5 12.3
29H-1, 145–150 258.25 279.62 0.63 577 7.52 14.50 34 495 7.7 37.1 7.8 1802 411 11.5 15.8 31.9 14.6 882 93.0 12.0
32H-1, 145–150 286.75 310.70 0.04 581 7.34 11.10 34 496 7.4 36.3 7.8 1951 432 11.8 33.5 38.3 6.3 918 95.2 12.2

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