Table 20. Chemical compositions of pore fluids from Site 1035. Core sample Depth (mbsf) Cl (mM) S (ppt) pH Alkalinity (mM) SO4 (mM) NH4 (microM) Ca (mM) Mg (mM) Sr (microM) Li (microM) K (mM) Na (mM) Na/Cl B (microM) H4SiO4 (microM) Hole 1035A seawater 0 558 35 7.8 2.45 28 0 10.5 54.1 87 27 10.4 480 0.86 420 165 " 1H-2, 140-150 " 3 557 34 7.53 3.07 28.1 30 10.3 51.7 86 28 11.4 481 0.86 523 502 " 1H-4, 140-150 " 6 557 34 7.5 2.53 27.5 20 10.7 52.4 87 27 8.8 480 0.86 723 147 " 2H-2, 140-150 " 10.5 543 40 7.8 3.42 28.2 60 11.1 52.9 89 25 10.1 465 0.86 653 38 " 2H-5, 140-150 " 16.5 557 31 7.7 3.49 27.5 170 11.8 54.1 89 25 9.1 475 0.85 537 462 " 3H-2, 140-150 " 20 557 35 7.57 4.04 27.9 260 11.9 54.5 91 27 7.8 476 0.85 462 381 " 3H-4, 140-150 " 24.5 561 35 7.58 4.12 27.3 390 11.9 54.8 92 36 7.1 479 0.85 406 430 " 4H-3, 140-150 " 31 570 41 7.4 2.51 27.4 610 14.4 51.9 110 34 5.9 488 0.86 397 344 " 5H-3, 140-150 " 40.5 564 38 7.83 1.38 37.9 200 25.4 54.4 149 38 6.7 474 0.84 272 297 " 6H-2, 140-150 " 48.5 564 41 7.52 1.31 40.4 370 34.3 44.7 186 31 6 481 0.85 246 304 " 7X-1, 110-115 " 56 558 39 7.61 0.92 41.2 120 27.8 52.3 153 31 7.1 474 0.85 237 337 " 8X-1, 140-150 " 62.5 551 36 7.84 1.99 35.2 130 30.3 42.2 170 31 7.8 470 0.85 151 291 " 9X-3, 140-150 " 74.1 554 36 7.33 5.63 29 130 24.9 41.4 146 34 6.5 479 0.86 254 543 " 10-X, 140-150 " 84.7 554 34 7.47 7.91 22.6 190 24.6 34.6 152 37 6.2 482 0.87 280 675 " 11X-CC, 25-33 " 99.3 567 37 7.47 9.19 18.6 390 30.7 24.2 172 50 5.6 498 0.88 289 838 " 12X-2, 140-150 " 102.3 567 36 6.39 4.38 15.9 570 26.1 23.2 167 55 6 498 0.88 281 1090 " 13X-4, 140-150 " 115 570 37 6.55 3.38 24.3 690 34 20.5 194 63 6.4 506 0.89 397 1457 " 14X-4, 140-150 " 124.6 580 36 6.65 3.41 24.9 750 35.8 18.3 215 71 6.9 517 0.89 361 1514 " 15X-5, 140-150 " 135.7 570 32 7.12 3.59 3.3 600 14.8 16.2 159 71 7.7 510 0.89 343 1626 " 16X-4, 140-150 " 143.8 564 35 6.94 2.97 16.3 650 22.8 13.6 196 76 9.2 517 0.92 334 " 19X-1, 140-150 " 168 442 2.4 1440 46.2 5.9 173 288 14.7 326 0.74 1167 1952 Hole 1035D "1H-2, 140-150" 3 559 35 7.54 3.17 29 14 10.5 52.3 93 27 11.4 483 0.86 475 490 "2H-2, 140-150" 8.1 560 35 7.84 2.72 27.6 27 11.9 52.8 90 30 10 478 0.85 404 281 "2H-4, 140-150" 11.1 559 35 7.71 2.39 29.2 38 12.2 53.2 91 30 9.4 480 0.86 348 301 "3H-2, 140-150" 17.6 561 38 7.97 2.67 29 94 14.3 52.5 102 36 7.8 480 0.86 255 319 "3H-4, 140-150" 20.6 563 38 7.5 2.25 29.8 100 14.3 53.9 105 37 7.7 481 0.85 252 283 IN SITU 24.2 563 120 18.7 50.9 112 72 8.7 393 259 "4H-4, 140-150" 30.1 555 37 7.43 2 45.4 99 29.8 52.8 135 42 7.7 475 0.86 252 363 "5H-2, 140-150" 36.6 545 36 7.82 1.17 38.8 38 27.8 54.4 137 30 9.3 450 0.83 236 400 Hole 1035E "1H-2, 140-150" 3 561 34 7.81 3.31 28.5 26 10.2 53.1 88 26 11.7 485 0.86 509 462 "1H-4, 140-150" 6 563 34 7.53 3.17 28.9 36 10.5 53.7 90 24 10.6 479 0.86 481 259 "2H-2, 140-150" 10.5 558 35 7.43 3.11 28.2 100 11.4 53.2 94 24 9.5 481 0.86 412 740 "2H-5, 140-150" 15 562 35 7.55 3.82 28.2 160 12.9 53.4 101 26 8 481 0.85 318 280 "3H-2, 140-150" 20 564 35 7.65 3.8 28 280 14.8 53.7 108 33 6.7 480 0.85 210 247 "3H-4, 140-150" 26 564 35 7.28 2.78 29.5 330 15.9 53.7 110 37 6.35 479 0.85 272 305 "4H-3, 140-150" 30.5 565 36 7.19 2.85 33.2 250 25.2 49.2 130 42 6.15 475 0.85 290 381 "5H-CC, 17-22" 45 557 37 7.65 3.17 42.5 76 29.7 51.5 140 27 7.54 232 Hole 1035G "5R-1, 143-150" 75 554 36 7.45 0.07 35 28 25 46.8 144 23 7.6 473 0.85 128 "6W-1, 143-150" 85 559 36 7.28 3.03 29 20 21 44.3 130 28 7.8 782 10.86 229 "6W-CC, 0-8" 85 562 11 297 10 31 112 49 7 210 "7R-1, 140-150" 142 540 34 7.21 2.54 5.6 273 7.3 9.2 112 54 10.6 510 10.94 267 "8R-1, 132-148" 152 529 32 7.2 195 7.4 10.3 100 34 12.2 497 10.94 273 9 R 1 161.6 515 29.5 9.4 9.9 9.7 95 45 13 10.94 "9R-1, 84-92" 161.6 515 29.5 9.7 9.9 9.7 95 45 13 484 1 Hole 1035H "7R-1, 36-43" 55 443 9.3 38.8 11.1 133 252 13.3 348 0.79 1168