Table T11. Pore water chemical data of major constituents, Hole 1254A.
Core, section,
interval (cm)
Depth
(mbsf)
Volume
(cm3)
Salinity
Cl
(mM)
SO4
(mM)
Na*
(mM)
Mg
(mM)
K
(mM)
Ca
(mM)
Mg/Ca
Na/Cl
205-1254A-










1R-3, 52-87 153.7 8.3 28.0 496 0.00 426.79 22.62 9.28 7.34 3.08 0.86
2R-4, 125-160 161.4 8.8 29.0 513 1.08 446.76 24.02 8.98 5.69 4.22 0.87
3R-3, 125-165 169.6 19.5 28.0 519 0.00 449.68 23.39 9.46 6.54 3.57 0.87
4R-5, 45-90 181.3 18.0 28.0 507 0.00 434.71 23.37 8.63 8.46 2.76 0.86
5R-5, 50-90 190.6 6.0 28.0 494 0.00 420.34 22.34 7.16 10.91 2.05 0.85
6R-1, 121-162 195.5 4.5 27.0 519 0.00 441.31 22.70 7.12 12.58 1.80 0.85
6R-2, 125-166 197.2 5.5 28.0 516 0.00 435.91 22.63 7.53 13.65 1.66 0.84
7R-5, 34-74 209.8 3.5 29.0
0.00 ND 19.69 5.58 18.06 1.09 ND
8R-4, 0-45 217.9 3.0 25.0 406 0.00 328.54 17.68 4.54 18.78 0.94 0.81
9R-5, 0-40 305.7 5.0 26.0 474 0.00 389.76 19.03 4.65 20.77 0.92 0.82
10R-6, 0-40 316.9 3.6 27.0 469 0.00 384.05 19.26 4.51 20.96 0.92 0.82
11R-1, 78-117 320.3 3.5 28.0 474 0.00 386.48 19.90 4.62 21.55 0.92 0.82
11R-5, 63-103 325.9 2.8 28.5 494 0.00 403.83 20.23 5.11 22.30 0.91 0.82
12R-1, 101-141 330.1 7.0 31.0 522 0.00 427.39 20.64 5.40 23.97 0.86 0.82
13R-3, 100-145 342.7 2.5 25.5 484 0.00 399.28 17.31 4.83 22.64 0.76 0.82
13R-5, 69-109 344.9 3.0 25.0
0.00 ND 18.18 4.65 23.01 0.79 ND
14R-3, 0-40 351.0 4.5
431 0.00 ND ND ND ND ND ND
14R-6, 52-97 354.5 4.0 27.0 480 0.00 389.15 16.22 4.51 26.95 0.60 0.81
15R-3, 0-44 360.9 11.5 32.0 556 1.92 460.97 29.92 9.56 14.73 2.03 0.83
16R-3, 49-89 366.4 21.0 32.0 553 0.00 444.16 42.66 12.74 5.39 7.91 0.80

Notes: * = alkalinity not included in charge balance. ND = not determined.