Table T12. Pore fluid composition, Hole 1176A.

Hole, core, section,
interval (cm)
Depth (mbsf)
pH (ISE)
Alk (T)
(mM)
Sal (R)
Cl (T)
(mM)
SO4 (I) (mM)
Na (CB)
(mM)
Mg (I)
(mM)
Ca (I)
(mM)
K (I)
(mM)
H4SiO4 (S) (µM)
NH4 (S) (mM)
190-1176A-











1H-1, 140-150 1.40 7.67 6.0 34.0 549.0 25.9 482 47.9 8.72 11.4 737 0.45
1H-2, 140-150 2.90 7.63 9.7 34.0 552.0 22.2 485 47.0 7.84 11.1 687
1H-3, 140-150 4.40 7.76 11.7 34.0 551.0 19.8 483 46.6 7.34 10.9 767 0.98
1H-4, 140-150 5.90 8.06 13.6 34.0 552.0 17.8 485 45.6 6.66 10.9 757
1H-5, 85-95 6.85 8.07 15.1 34.0 552.0 16.4 485 45.3 6.18 10.8 705 1.33
2H-1, 140-150 8.80 7.75 20.1 33.0 552.0 9.6 483 43.6 4.55 10.6 722
2H-2, 140-150 10.30 8.01 21.8 33.5 552.0 8.2 483 42.8 4.28 10.7 703 1.98
2H-3, 140-150 11.80 8.10 23.1 33.5 551.0 6.4 482 42.5 3.86 10.5 752
2H-4, 140-150 13.30 7.80 24.2 33.0 551.0 5.0 482 42.1 3.26 10.6 744 2.08
2H-5, 140-150 14.80 8.06 25.1 33.0 552.0 3.7 483 40.8 3.37 11.2 754
2H-6, 90-100 15.80 7.80 26.2 33.0 552.0 2.4 480 41.8 3.19 10.3 735 2.36
3H-2, 140-150 19.80 7.89 28.3 33.0 552.0 0.7 481 41.0 3.05 10.2 785
3H-4, 140-150 22.80 8.07 29.2 33.0 552.5 0.0 480 41.4 3.03 9.8 837 2.59
3H-6, 91-101 25.31 8.14 29.0 33.0 552.0 0.0 478 41.8 3.26 9.6 718
4H-2, 140-150 29.30 8.12 28.7 33.0 551.0 0.4 480 39.0 4.73 10.1 711 3.27
4H-5, 140-150 33.80 8.15 28.7 33.0 551.5 0.4 481 39.9 3.32 9.9 722
5H-1, 135-150 37.25 7.80 28.8 33.0 551.0 0.0 482 39.4 3.11 9.8
3.14
5H-5, 74-89 42.64 7.82 27.6 33.0 551.0 0.0 481 39.0 3.17 9.7 770
6H-4, 135-150 51.25 7.82 27.3 32.5 550.0 0.0 483 37.4 2.98 9.8 826 3.58
7H-4, 130-150 60.70 7.84 26.1 32.5 551.0 0.4 485 36.1 3.20 10.1 752
9H-3, 135-150 78.25 7.88 25.0 32.5 550.0 0.0 484 35.2 3.20 10.1 757
10H-2, 135-150 86.25 7.82 25.0 32.5 550.0 0.3 485 34.7 3.45 9.8 752 4.51
11H-4, 130-150 98.70 7.86 24.8 32.5 551.0 0.0 487 34.2 3.31 9.8 711
12H-4, 130-145 107.27 7.85 23.8 32.5 550.5 0.1 486 33.9 3.24 9.5 847
13H-1, 130-150 113.20 7.86 23.9 32.5 550.0 0.0 485 34.3 3.29 9.6 735 4.10
14H-4, 135-150 127.25 7.83 23.6 32.5 549.0 0.0 485 33.6 3.45 9.5 804
15H-3, 135-150 135.25 7.62 23.5 32.5 548.0 0.0 484 33.4 3.69 9.0 741
16H-5, 135-150 147.75 7.87 21.5 32.5 548.0 0.0 484 32.6 3.85 8.9 774 3.77
17H-4, 135-150 155.75 7.87 21.4 32.0 547.0 0.0 482 33.4 3.93 8.6 798
19H-3, 130-150 166.70 7.64 20.3 32.0 548.0 0.1 484 31.8 4.26 8.5 856
21X-5, 130-150 187.50

32.0 545.5 0.0 479 31.6 5.51 8.7 811 3.64
22X-3, 130-150 194.20 7.57 19.4 32.0 545.5 0.0 480 31.8 4.91 8.4 886
23X-2, 125-150 202.25

32.0 544.5 0.0 477 31.5 5.24 8.5 869
24X-4, 125-150 214.85 7.52 16.5 32.0 544.0 0.1 476 31.1 5.39 8.4 914 2.91
25X-2, 125-150 221.45

32.0 543.0 0.0 474 30.6 5.48 8.6 837
26X-2, 125-150 231.05

31.5 540.0 0.1 473 28.8 5.77 8.7 642
27X-1, 125-150 239.15 7.84 11.2 31.5 540.5 0.4 474 27.9 6.27 8.3 653 2.19
36X-2, 69-84 325.62

32.5 560.0 2.7 484 36.6 7.20 7.1

37X-1, 41-61 334.51
15.0 32.0 560.5 2.5 484 37.0 7.14 6.9

39X-1, 25-45 353.65

33.5 557.5 6.9
40.3 7.68 7.8

40X-1, 50-75 363.50
15.0 33.0 557.5 6.8 480 40.6 8.00 7.3

43X-1, 130-150 393.00

34.5 558.0 17.3
45.7 9.17 7.0

48X-CC, 0-5 440.00

35.5







Note: ISE = ion selective electrode, Alk = alkalinity, T = titration, Sal = salinity, R = refractometry, I = ion, CB = charge balance, S = spectrophotometry.