Table 9. Interstitial water composition for Holes 1078A, 1078B, and 1078C.
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)
175-1078A-














1H-1, 140-150 1.40 7.63 5.587 35.0 549 552 25.80 468.8 53.09 9.70 12.05 199 231 15 88
1H-4, 140-150 5.90 7.81 14.030 34.5 556 553 18.71 479.3 51.08 6.89 11.84 417 1050 52 77
2H-3, 140-150 11.90 7.90 37.983 34.0 563 556 1.52 484.6 50.22 3.81 11.28 467 2968 143 62
3H-3, 140-150 21.40 7.74 43.199 34.5 563 568 0.97 489.5 50.23 3.31 11.87 527 4848 64 67
4H-3, 140-150 30.90 7.72 47.988 35.0 562 560 0.00 496.4 46.96 3.64 12.37 555 6021 70 86
5H-3, 130-140 40.30 7.77 51.850 35.0 557 557 0.50 502.7 42.51 4.20 13.78 665 7827 70 101
6H-4, 135-145 50.50 7.73 63.261 35.5 551 556 0.00 503.0 44.83 3.73 14.37 577 10322 69 97
7H-3, 130-140 59.30 7.76 72.504 35.5 551 554 0.00 508.0 47.04 3.61 14.42 508 11588 93 89
8H-3, 140-150 68.10 7.10 74.152 36.0 551 547 1.21 511.6 46.25 4.25 15.22 488 12873 46 93
175-1078B-














7H-4, 130-140 58.80 7.24 71.946 35.5 549 570 2.85 513.6 45.73 3.73 14.39 529 12482 86 91
8H-4, 130-140 68.90 7.52 72.319 36.0 547 562 0.00 503.3 46.49 4.21 14.48 484 12873 68 92
9H-3, 140-150 76.20 7.57 71.889 36.0 547 553 0.51 509.9 43.26 4.32 14.72 540 15796 67 97
10H-3, 130-140 86.90 7.65 61.280 36.0 546 548 0.00 504.4 39.88 3.55 15.87 417 15070 64 91
11H-3, 145-155 96.60 7.19 81.691 36.0 549 553 0.00 519.8 43.66 4.66 14.04 473 14604 73 99
14H-2, 145-155 124.00 7.39 59.983 36.0 546 549 0.00 510.5 34.62 2.18 21.68 287 15461 40 76
175-1078C-














17X-3, 140-150 150.00 7.69 86.476 36.0 546 553 0.39 529.9 39.53 4.29 16.11 540 14437 44 121

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