Table T13. Composition of interstitial waters from Holes 1143A and 1143C.

Core, section, interval (cm) Depth pH Alkalinity (mM) Salinity Cl-(mM) Na+ (mM) K+ (mM) Mg2+ (mM) Mg2+* (mM) Ca2+ (mM) Ca2+* (mM) SO42-(mM) HPO42- (mM) NH4+ (mM) H4SiO4(mM) Li+ (mM) Sr2+ (mM)
(mbsf) (mcd)
184-1143A-    
   

                     
1H-1, 145-150 1.48 1.50 7.78 4.26 35.0 549 472 12.4 51.5 50.5 10.3 10.5 27.6 15.6 0.2 476 29 93
2H-3, 145-150 7.38 7.80 7.74 5.35 35.0 555 476 11.9 51.2   9.9   25.5 33.7 0.4 651 27 100
3H-3, 145-150 16.88 17.98 7.74 6.82 34.0 558 484 12.2 49.3   8.8   24.0 16.6 0.5 693 33 107
4H-3, 145-150 26.38 28.52 7.83 7.79 34.0 558 484 12.2 48.5 48.7 8.5 8.9 22.9 12.0 0.6 689 38 118
5H-3, 145-150 35.88 38.42 7.86 8.05 35.0 561 482 11.4 47.3   8.0   17.9 6.9 0.6 579 46 128
6H-3, 145-150 45.38 48.14 7.84 8.00 34.0 559 487 11.1 46.1   7.2   19.2 3.6 0.7 501 52 139
9H-3, 145-150 73.88 77.98 7.86 7.93 33.5 559 486 9.9 44.1 45.2 6.0 6.3 15.1 1.6 0.9 355 63 186
12H-3, 145-150 102.38 107.56 7.83 7.29 34.0 561 487 9.5 41.6   5.5   12.3 1.0 1.3 220 88 261
15H-3, 140-150 130.85 137.73 7.81 7.36 33.0 561 486 10.1 39.9 40.4 5.5 5.4 10.2 1.2 1.2 251 172 379
18H-3, 140-150 159.25 166.77 7.23 7.98 33.0 561 487 10.6 37.0   6.6   9.2 0.8 1.3 279 347 506
21H-3, 140-150 187.85 197.97 7.81 10.07 32.5 559 483 10.4 35.4   8.4   7.8 1.6 1.3 433 920 653
24X-3, 140-150 206.45 216.89 7.83 11.02 33.0 559 483 9.8 34.6   9.5   7.3 1.2 1.4 652 1200 744
27X-1, 140-150 232.25 242.03 7.82 12.28 33.0 560 486 11.3 33.0 33.4 11.1 12.4 9.2 1.6 1.7 983 1515 874
30X-3, 140-150 264.05 273.99 6.91 11.21 33.0 559 484 12.1 31.1   12.2   9.0 1.5 1.8 1057 1900 1023
33X-3, 140-150 292.95 303.61 7.81 13.41 33.0 561 489 12.3 29.0   13.4   8.8 2.6 1.8 1312 2260 1101
36X-3, 140-150 321.75 332.41 7.86 11.51 33.0 561 490 13.3 27.3   13.6   9.8 1.8 1.8 1148 2685 1185
39X-3, 140-150 350.55 362.13 7.84 13.09 33.0 560 485 12.9 26.1 25.6 16.4 18.9 8.5 2.1 1.8 1419 3010 1269
42X-3, 140-150 378.95 392.99 6.62 14.23 33.5 559 486 12.2 24.5   18.5   9.2 2.1 1.7 1495 3420 1332
44X-3, 140-150 398.35 411.41 6.59 13.89 34.0 561 485 11.7 23.7   19.6   8.5 2.1 1.8 1467 3940 1367
184-1143C-    
   

                     
44X-3, 143-150 405.47 417.87 7.81 14.26 34.0 563 486 12.9 23.6   17.9   6.4 1.5 1.9 1239 3960 1346
47X-3, 140-150 434.35 446.75 7.77 13.96 33.5 558 481 11.6 22.6   19.4   6.7 1.2 1.8 1504 4200 1522
50X-3, 140-150 463.35 475.75 6.77 13.41 33.5 560 483 11.0 21.6   19.8   6.5 1.7 1.8 1482 4300 1594
53X-5, 135-150 495.33 507.73 7.77 8.87 34.0 559 481 10.4 21.2   18.8   6.3 1.9 1.7 1049 4300 1582

Note: * = data from titrations.