Table 10. Interstitial water composition for Hole 1083A.
Core, section,
interval (cm)
Depth
(mbsf)
pH
Alkalinity
(mM)
Salinity
Cl– (titr)
(mM)
Cl– (IC)
(mM)
SO42–
(mM)
Na+
(mM)
Mg2+
(mM)
Ca2+
(mM)
K+
(mM)
H4SiO4
(µM)
NH4+
(µM)
PO43–
(µM)
Sr2+
(µM)
175-1083A-
2H-1, 140-150 3.20 7.45 4.950 35.0 556 558 27.93 480 52.44 10.18 11.41 693 497 14 92
2H-3, 140-150 6.20 7.81 9.080 35.0 558 552 23.37 476 54.37 8.92 11.73 827 1234 32 93
3H-2, 140-150 14.20 7.83 18.400 35.0 562 587 14.83 472 55.99 6.55 12.50 812 3031 64 95
5H-3, 130-140 34.60 7.79 29.530 35.0 574 571 0.20 487 49.62 2.90 11.63 750 5194 78 137
6H-1, 140-150 41.20 7.31 35.090 35.0 574 573 0.25 495 48.14 3.08 11.73 760 5764 87 168
7H-3, 130-140 53.60 7.54 36.600 35.0 574 580 0.00 492 49.44 3.43 12.50 834 6683 122 198
8H-3, 130-140 63.10 6.95 37.040 35.5 574 579 0.04 497 47.67 3.19 11.76 815 7118 120 212
9H-3, 130-140 72.60 7.60 34.460 35.5 573 573 0.00 495 46.98 3.17 11.81 1053 7570 109 226
10H-3, 130-140 82.10 7.81 34.970 35.5 575 575 0.00 500 45.54 3.23 11.92 805 7926 87 243
11H-2, 145-155 90.28 7.79 33.420 35.0 572 576 0.00 502 41.68 3.64 12.33 1012 8077 76 256
12H-3, 130-140 101.10 7.80 30.890 35.0 582 576 0.00 510 41.28 3.57 12.61 1103 8655 57 282
15H-3, 130-140 129.60 7.20 26.810 35.0 586 595 0.00 517 37.67 3.77 12.39 1160 8718 34 333
18H-3, 130-140 158.10 7.35 28.190 35.0 591 596 0.00 520 37.09 6.17 11.93 1176 8283 28 405
21H-3, 130-140 186.60 7.81 24.557 35.5 596 605 0.00 526 35.93 4.63 13.51 1200 7982 20 482

Note: Cl– (titr) = analyzed by titration and Cl– (IC) = analyzed by ion chromatography.