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Table T15. Interstitial water chemistry from shipboard measurements at Site 1089. (Continued on next page).

Core, section,
interval (cm) 		Depth
(mbsf) 		pH Method Alkalinity
(mM) 		Method Salinity Method Cl
(mM) 		Method SO4
(mM) 		Method Na
(mM) 		Method Mg
(mM) 		Method Ca
(mM) 		Method
                                   
177-1089A-                                  
1H-3, 145-150 4.45 8.01 ISE 10.314 T 34.5 R 555 T 22.7 I 481 CB 51.1 I 7.9 I
2H-4, 145-150 13.25 7.80 ISE 18.916 T 34.5 R 555 T 14.5 I 481 CB 49.8 I 5.3 I
3H-2, 145-150 19.75 8.04 ISE 26.541 T 34.5 R 558 T 9.8 I 484 CB 50.2 I 3.8 I
4H-1, 140-150 27.70 8.06 ISE 33.701 T 34.5 R 562 T 5.6 I 488 CB 50.0 I 3.5 I
5H-3, 145-150 40.25 7.95 ISE 39.958 T 34.5 R 560 T 1.8 I 490 CB 48.4 I 2.8 I
6H-3, 145-150 49.75 8.13 ISE 42.062 T 34.5 R 561 T 0.4 I 491 CB 48.9 I 1.9 I
8H-4, 140-150 70.20 7.77 ISE 46.710 T 34.5 R 558 T 0.2 I 488 CB 50.3 I 2.7 I
10H-4, 140-150 89.20 7.70 ISE 46.734 T 34.5 R 558 T 0.0 I 488 CB 50.3 I 2.7 I
12H-4, 140-150 108.20 7.66 ISE 46.477 T 34.5 R 561 T 0.0 I 492 CB 48.6 I 3.3 I
14H-4, 140-150 127.20 7.64 ISE 45.436 T 34.0 R 560 T 0.3 I 498 CB 44.3 I 3.7 I
15H-2, 140-150 133.70 7.83 ISE 44.145 T 34.0 R 560 T 0.2 I 495 CB 45.7 I 3.6 I
16H-4, 140-150 146.20 7.40 ISE 42.839 T 34.0 R 560 T 0.1 I 494 CB 45.2 I 3.7 I
18H-3, 140-150 163.70 7.41 ISE 40.618 T 34.0 R 563 T 0.2 I 495 CB 44.4 I 4.5 I
19H-4, 140-150 174.70 7.85 ISE 41.634 T 34.0 R 560 T 0.0 I 496 CB 42.4 I 4.6 I
20H-4, 140-150 184.20 7.76 ISE 40.695 T 34.0 R 560 T 0.0 I 493 CB 42.7 I 5.3 I
21H-3, 140-150 192.20 7.84 ISE 40.030 T 34.0 R 560 T 0.3 I 498 CB 40.8 I 5.2 I
23H-4, 140-150 212.70 7.30 ISE 36.357 T 34.0 R 562 T 0.1 I 493 CB 41.5 I 5.7 I
                                   
177-1089B-                                  
22H-4, 140-150 200.70 7.65 ISE 39.320 T 34.0 R 559 T 0.0 I 492 CB 41.7 I 6.1 I
23H-4, 140-150 210.20 7.59 ISE 36.541 T 34.0 R 562 T 0.3 I 493 CB 41.8 I 6.2 I
24H-4, 140-150 219.70 7.76 ISE 36.303 T 34.0 R 559 T 0.1 I 490 CB 40.8 I 6.6 I
25H-4, 140-150 229.20 7.56 ISE 37.264 T 34.0 R 560 T 0.0 I 492 CB 40.1 I 6.9 I
26H-4, 140-150 238.70 7.30 ISE 37.191 T 34.0 R 559 T 0.2 I 489 CB 41.1 I 7.8 I
27H-4, 140-150 248.20 7.77 ISE 36.980 T 34.0 R 562 T 0.0 I 495 CB 38.8 I 7.7 I
28H-3, 140-150 256.20 7.49 ISE 36.125 T 34.0 R 561 T 0.0 I 492 CB 39.3 I 8.8 I
29H-1, 140-150 259.30 7.59 ISE 34.931 T 33.0 R 560 T 0.7 I 492 CB 38.7 I 8.6 I

Note: Method abbreviations: ISE = ion selective electrode, T = titration, R = refractometer, I = ion chromatography, CB = charge balance calculation, S = spectrophotometry, AAS = atomic absorption spectrometry, AES = atomic emission spectrometry.

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