Table 9. Interstitial water composition for Hole 1086A.
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)
175-1086A-
1H-1, 140-150 1.40 7.57 2.922 35.0 544 539 27.35 464 52.40 11.09 10.61 116 181 5 94
1H-3, 140-150 4.40 7.10 3.547 35.0 550 538 26.54 472 51.83 10.06 10.73 259 403 8 96
2H-3, 140-150 11.10 6.64 4.883 35.0 552 544 25.31 475 51.13 9.45 10.77 409 904 10 106
3H-3, 140-150 20.60 7.63 8.027 35.0 553 579 23.93 477 50.71 9.58 10.97 545 1117 12 117
4H-3, 140-150 30.10 7.67 8.833 35.0 557 558 20.83 481 48.96 8.87 10.56 571 1746 11 123
5H-3, 140-150 39.60 7.70 10.324 34.5 555 551 18.43 479 47.97 8.58 10.54 502 1644 14 134
6H-3, 140-150 49.10 7.76 11.716 34.0 554 549 15.28 476 46.90 7.92 10.27 395 1661 21 140
7H-3, 140-150 58.60 7.77 12.559 34.0 552 547 13.24 474 45.84 7.74 10.23 326 1882 17 154
8H-3, 130-140 68.00 7.78 13.829 33.5 552 546 11.74 477 43.81 7.25 10.17 304 2086 16 169
9H-3, 130-140 77.50 7.79 14.456 33.5 552 550 10.23 481 41.87 6.47 9.50 295 2146 16 183
10H-3, 130-140 87.00 7.75 14.828 33.5 551 573 9.16 480 41.02 6.14 9.49 316 2018 17 187
11H-3, 140-150 96.60 7.76 15.139 33.0 551 568 6.58 476 40.25 6.56 9.30 352 2367 16 198
14H-3, 140-150 125.10 7.72 17.356 32.5 548 569 3.91 478 36.73 6.46 8.67 419 2809 9 227
17H-3, 140-150 153.60 7.58 16.338 32.0 547 547 1.48 479 33.70 6.13 7.90 381 2698 12 256
20H-3, 140-150 182.10 7.59 15.293 32.0 547 531 0.00 479 31.75 6.32 7.85 400 2613 9 288
22H-3, 140-150 201.10 7.03 14.035 32.0 544 542 0.00 476 30.50 6.48 7.94 404 2477 5 312

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