Table 7. Chemical composition of pore fluids from Site 1037. "Core, section interval (cm)" Depth (mbsf) Cl (mM) S pH Alkalinity (mM) SO4 (mM) NH4 (mM) Ca (mM) Mg (mM) Sr (microM) Li (microM) K (mM) Na (mM) Na/Cl B (microM) H4SiO4 (microM) 1037 A "1H-2, 140-150" 6 558 35 7.5 4.54 32.4 0.25 9.9 49.8 80 15 11.7 496 0.89 547 593 "1H-4, 140-150" 9 556 35 7.4 4.63 24.9 0.44 10.5 50.4 82 11 11.3 477 0.86 495 510 1037 B "2H-2, 140-150" 9.6 556 35 7.4 5.06 25.8 0.54 10.5 49.7 82 10 11.1 481 0.86 443 537 "2H-4, 149-150" 12.6 555 35 7.1 5.87 25.3 0.82 10.5 50.1 83 10 10.6 478 0.86 455 603 "3H-2, 140-150" 19.1 556 35 7.5 7.84 24.6 1.34 11.4 50.6 83 11 9.7 478 0.86 483 556 "3H-4, 140-150" 22.1 555 37 7.3 7.81 23.5 1.57 11 50.2 87 10 9.4 476 0.86 499 712 "4H-3, 140-150" 30.1 556 38 7.6 12.59 22.7 2.37 11.6 49.9 93 10 9.3 479 0.86 511 682 "5H-3, 140-150" 39.6 555 35 7.3 16.56 20 2.85 11.9 50.5 97 10 9.5 475 0.86 539 676 "6H-3, 140-150" 49.1 558 35 7.6 21.71 18.5 3.01 9.5 51.5 87 10 10.3 480 0.86 606 637 "7H-2, 140-150" 58.6 559 35 7.4 30.55 14.5 3.23 7.3 51 68 10 10.2 488 0.87 590 693 "8H-3, 140-150" 68.1 558 35 7.6 37.5 7 3.07 6.9 47.7 82 9 9.6 488 0.87 555 797 "9H-3, 140-150" 77.6 557 34 7.4 42.51 2.3 3.11 6.8 46.4 104 10 10.4 484 0.87 539 616 "14H-3, 140-150" 125 562 34 7.6 19.86 0 1.35 5.8 41.8 110 10 8.1 476 0.85 539 752 "15H-3, 140-150" 134.6 564 36 7.3 20.56 0.4 2.06 9.4 41.7 109 11 7.9 472 0.84 471 784 "16H-3, 140-150" 143.1 564 36 7.3 23.15 0.2 2.75 9.2 44.6 111 20 8.2 468 0.83 386 644 "17H-3, 140-150" 153.6 566 36 7.2 27.87 0.4 3.45 8.7 46.2 108 11 8.3 473 0.84 437 729 "18H-3, 140-150" 163.1 567 38 7.4 33.3 0.4 3.51 7.3 48.5 93 13 7.7 479 0.85 354 708 "20X-3, 140-150" 172.6 568 37 7.6 32.62 0.5 3.47 6.6 45.1 86 14 7.9 487 0.86 428 788 "22X-2, 140-150" 196.7 568 40 7.4 30.82 0 3.55 5.9 45.6 91 18 8.1 484 0.85 444 835 "23X-3, 140-150" 206.3 568 37 7.3 27.77 2.9 4.02 6.7 40.3 93 26 8.6 496 0.87 390 1010 "25X-3, 140-150" 225.5 567 37 7.5 24.35 1.5 5.1 9.3 38.4 107 37 7.8 486 0.86 467 879 "26X-3, 140-150" 235.1 570 34 7.5 25.67 0.4 5.54 10.3 37.5 110 39 8.9 487 0.85 470 912 "27X-2, 140-150" 243.2 571 7.4 23.07 0.8 5.55 10.4 35.1 114 57 8.9 489 0.86 473 972 "28X-3, 140-150" 254.3 568 38 7.5 23.4 0.3 5.66 12.4 32.1 120 64 9 490 0.86 441 866 "29X-3, 140-150" 264 569 38 7.4 21.85 1.4 5.35 13.1 30.7 123 67 6.8 496 0.87 435 502 "30X-3, 140-150" 273.5 569 36 7.6 21.28 0 5.03 13.1 29.5 125 77 5.4 495 0.87 351 468 "31X-3, 140-150" 283 570 37 7.5 16.83 1.1 5.15 14.1 27.5 120 86 4.7 496 0.87 393 408 "32X-3, 140-150" 292.6 570 36 7.4 16.88 0.8 5.42 14.6 27.9 121 97 5 493 0.87 395 672 "33X-3, 140-150" 302.2 567 38 7.5 14.34 1.8 5.35 13.7 28.9 131 151 4.9 489 0.86 403 412 "34X-4, 140-150" 311.8 570 36 7.5 15.34 1.9 5.77 14.4 26.4 143 256 5.2 497 0.87 483 474 "35X-4, 140-150" 321.4 567 35 7.4 15.69 5.1 6.41 14.7 24.4 157 354 4.5 505 0.89 466 410 "36X-1, 140-150" 328 566 33 7.7 13.81 1 6.14 12.6 22.2 165 358 4 501 0.89 462 359 "37X-4, 140-150" 342.1 570 33 7.6 10.81 1.3 4.53 12.2 21.8 192 297 2.3 508 0.89 462 258 "38X-4, 140-150" 351.7 576 32 6 1.5 4.13 14.2 17.3 212 220 2.4 515 0.89 462 171 "39X-3, 140-150" 360 573 33 7.7 4.51 0.4 3.19 19.4 14.2 245 161 1.4 505 0.88 575 208 "40X-3, 140-150" 369.5 573 33 7.6 4.05 0 2.69 22 15.4 279 125 1.3 498 0.87 546 173 "41X-1, 140-150" 376.2 572 33 7.8 4.04 2.8 2.72 21.7 17 228 113 1.7 499 0.87 744 379 "42X-2, 140-150" 387.3 580 36 7.7 0 1.9 26.6 14.7 304 124 1.7 496 0.86 563 167 "43X-3, 140-150" 398.4 577 33 7.5 1.3 1.75 27.3 15.1 339 122 1.5 494 0.86 638 188 "44X-2, 140-150" 406.6 578 36 7.8 3.47 1.5 2.12 26.7 15.1 350 120 1.4 497 0.86 920 344 "45X-3, 140-150" 417.7 581 34 7.9 2.21 2.8 1.78 29.1 12.4 431 117 2 502 0.86 759 133 "46X-3, 140-150" 427.3 573 34 7.9 1.78 0 1.44 25.1 7.8 530 102 1.8 506 0.88 671 169 "47X-1, 140-150" 433.9 567 32 7.9 2.01 0 1.69 27.8 8.2 582 106 1.7 496 0.88 721 139 "48X-3, 140-150" 446.5 558 32 7.7 4.23 3.1 1.24 19.6 6.7 599 119 1.9 512 0.92 721 186 "49X-3, 140-150" 456.1 558 32 0.3 1.19 17.1 4.5 674 166 2.1 513 0.92 944 184 "50X-3, 140-150" 465.8 554 32 2 1 15 7.1 640 221 3.5 509 0.92 1076 193 "51X-1, 140-150" 472.4 557 0.7 1.26 15.1 4.3 692 301 5 515 0.92 1408 191 "52X-3, 140-150" 485 565 34 1.5 1.43 14.5 5.7 593 304 4.2 524 0.93 1240 161 "53X-1, 140-150" 491.6 570 37 7.7 0 1.89 18.5 6.7 489 238 4.8 516 0.9 1434 214 "55X-CC, 15-20" 501 559 9.8 1.78 24.8 12.4 210 185 26.3 476 0.85 981 611 "56R-1, 30-37" 501.5 568 2.6 1.74 21.3 13.5 205 108 25.3 478 0.84 624 98 SEAWATER 0 558 35 7.5 2.45 28 0 10.6 54 87 27 10.4 477 0.85 420 170