"Table 15.Composition of pore waters from sediments from Sites 1023, 1024, and 1025." "Core, section, " Volume Squeeze T In situ T Depth Salinity Alkalinity Chlorinity Sulfate Na K Mg Ca Si NH3 PO4 interval (cm) (mL) (deg. C) (deg. C) (mbsf) "(R.I.,%) " pH (meq/kg) (mmol/kg) (mmol/kg) (mmol/kg) (mmol/kg) (mmol/kg) (mmol/kg) (micromol/kg) (micromol/kg) (micromol/kg) Na/Cl 168-1023A- "1H-1, 140-150" 50 6.6 1.9 1.45 35.0 7.90 4.60 545.3 25.72 470.1 11.13 48.67 10.26 506 209 14.2 0.8620 "1H-2, 140-150" 60 6.8 2.0 2.95 35.0 7.83 6.18 545.2 24.66 469.8 11.33 48.49 9.91 501 285 15.0 0.8617 "1H-3, 140-150" 60 9.0 2.1 4.45 34.5 7.80 7.81 542.7 22.69 466.0 11.28 47.17 9.88 499 463 22.2 0.8587 "1H-4, 140-150" 60 11.0 2.2 5.95 34.5 7.82 8.91 543.3 22.14 468.9 11.60 46.40 9.60 467 666 11.9 0.8631 "1H-5, 140-150" 30 11.5 2.3 7.45 34.5 7.90 16.37 545.1 19.60 473.2 11.10 47.63 9.82 395 1245 12.6 0.8681 "2H-1, 140-150" 50 6.0 2.6 10.75 34.5 8.08 11.32 549.8 14.22 467.0 10.79 46.54 8.55 490 1270 61.3 0.8493 "2H-5, 140-150" 55 6.1 3.0 16.75 34.5 7.98 20.56 551.7 9.30 471.9 10.21 47.12 7.01 559 1531 78.4 0.8554 "3H-5, 140-150" 55 7.0 3.7 26.25 34.0 7.94 26.47 551.5 5.76 474.8 10.62 45.68 6.03 540 1709 72.6 0.8609 "4H-5, 140-150" 55 9.1 4.3 35.75 33.5 7.73 28.45 552.4 2.02 475.4 10.37 44.01 5.28 731 2115 72.6 0.8605 "5H-5, 140-150" 55 8.3 5.0 45.25 33.5 8.03 28.59 553.2 0.91 475.9 9.66 45.21 4.61 602 2115 62.6 0.8603 "6H-5, 140-150" 28 - 5.7 54.75 33.0 8.03 29.03 552.1 0.27 474.0 9.33 44.57 4.26 559 2077 38.9 0.8585 "7H-5, 140-150" 55 8.5 6.4 64.25 33.0 7.83 27.58 550.7 0.00 471.9 8.92 44.23 4.45 592 2211 30.8 0.8569 "8H-5, 140-150" 55 - 7.0 73.75 32.5 7.69 27.08 551.0 0.10 471.3 8.65 44.02 4.74 788 2331 52.9 0.8554 "9H-5, 140-150" 55 7.2 7.7 82.85 32.5 7.77 26.93 553.2 0.54 474.3 8.85 44.00 5.14 638 2223 24.0 0.8574 "10H-5, 140-150" 55 9.1 8.4 92.75 32.5 7.83 26.95 553.5 0.44 473.2 8.55 43.95 5.71 627 2388 40.7 0.8549 "11H-5, 140-150" 55 9.1 9.1 102.25 32.5 7.78 25.78 552.7 0.16 473.4 8.06 43.23 5.68 784 2280 27.2 0.8566 "12H-5, 140-150" 55 9.1 9.7 111.75 33.0 7.70 24.36 554.0 1.14 475.6 8.39 42.47 5.84 712 2230 29.1 0.8585 "13H-5, 140-150" 50 9.6 10.4 121.25 33.0 7.98 22.40 551.0 0.38 471.8 8.67 42.45 5.25 514 2204 14.7 0.8563 "14H-4, 140-150" 40 10.6 11.0 129.25 33.0 7.73 553.4 0.15 451.3 7.15 42.08 5.31 490 1842 12.1 0.8155 "15X-2, 135-150" 55 8.7 11.2 132.93 33.0 7.90 19.21 548.8 1.38 468.5 7.69 41.94 5.61 473 1747 13.7 0.8537 "16X-3, 135-150" 55 7.5 11.5 137.13 33.0 7.75 19.39 548.1 1.32 468.2 7.95 41.04 6.27 508 1683 15.6 0.8542 "17X-3, 135-150" 55 - 12.2 146.73 32.5 7.76 19.21 551.3 0.85 472.2 7.99 39.87 6.53 722 1645 24.0 0.8566 "18X-4, 135-150" 55 8.2 13.0 157.83 33.0 7.70 14.42 549.1 4.62 471.0 8.34 39.96 6.74 497 1403 11.4 0.8578 "19X-2, 135-150" 55 8.2 13.5 164.53 33.0 7.87 12.78 546.9 7.58 469.2 8.74 40.69 7.53 802 1305 5.9 0.8580 "20X-4, 135-150" 55 7.7 14.4 177.13 34.0 7.75 9.32 550.3 13.36 473.6 8.90 42.34 9.21 520 846 5.7 0.8606 "21X-3, 135-150" 42 - 15.0 185.23 34.0 7.85 6.49 546.7 19.74 470.9 9.96 45.25 10.63 737 520 4.1 0.8614 "21X-4, 135-150" 55 - 15.1 186.73 34.0 7.78 4.82 545.6 20.81 471.1 10.42 45.42 10.47 870 476 4.5 0.8635 "21X-5, 110-125" 55 - 15.1 187.98 34.0 7.73 3.91 541.5 21.45 467.3 10.29 45.77 10.19 901 429 2.9 0.8630 "21X-6, 75-85" 55 - 15.2 189.10 34.0 7.67 3.53 542.3 22.87 468.3 10.53 46.00 10.56 863 377 2.0 0.8635 "22X-1, 88-103" 55 - 15.4 191.36 34.0 7.86 3.50 543.2 23.81 466.8 10.52 47.46 11.32 638 258 2.7 0.8593 "22X-2, 47-62" 55 - 15.4 191.98 34.0 7.78 2.89 542.1 24.15 465.1 10.05 47.23 11.54 600 220 2.7 0.8580 Basement at: 15.5 192.8 Basement age = 0.860 Ma 168-1024A- "1H-1, 115-125" 55 8.9 2.0 1.2 34.5 7.75 3.84 543.1 26.22 466.4 11.97 50.72 9.80 544 0 14.8 0.8587 "1H-2, 140-150" 55 9.2 2.2 2.8 34.5 7.77 5.44 544.1 25.83 471.6 11.80 48.97 9.96 474 154 12.9 0.8667 "1H-3, 140-150" 55 6.8 2.3 4.3 34.5 7.48 7.01 546.0 24.05 472.7 11.30 48.66 9.88 496 216 15.2 0.8658 "1H-4, 140-150" 20 6.5 2.5 5.8 34.5 8.06 9.41 546.9 21.99 471.3 11.61 48.95 9.75 363 328 12.5 0.8618 "1H-5, 140-150" 55 7.3 2.7 7.3 34.5 7.80 10.70 549.9 20.22 474.8 11.44 47.81 9.60 512 750 50.9 0.8634 "1H-6, 140-150" 55 6.4 2.9 8.8 34.0 7.80 12.31 549.8 18.67 474.5 11.25 47.52 9.35 481 935 48.1 0.8630 168-1024B- "1H-1, 140-150" 55 5.9 2.0 1.45 35.0 7.84 3.96 543.0 24.43 466.0 10.30 49.90 9.86 440 137 15.5 0.8582 "1H-2, 140-150" 55 7.1 2.2 2.95 35.0 7.78 5.49 542.4 25.88 469.8 11.06 49.38 10.00 462 181 17.9 0.8662 "1H-3, 140-150" 50 - 2.4 4.45 35.0 7.64 7.24 545.2 23.46 470.4 11.16 48.97 9.96 474 448 11.9 0.8628 "1H-5, 140-150" 55 7.0 2.7 7.33 35.0 7.90 11.56 545.8 21.26 473.9 11.37 47.69 9.63 505 747 42.8 0.8682 "2H-2, 140-150" 55 7.1 3.1 10.55 34.5 7.62 14.50 548.6 16.41 472.4 10.96 47.30 8.99 501 1064 51.4 0.8611 "2H-5, 140-150" 55 6.8 3.7 15.05 34.5 7.98 17.36 549.3 13.56 471.9 10.54 47.59 8.09 565 1233 87.6 0.8591 "3H-5, 140-150" 55 8.2 4.9 24.55 34.5 7.98 18.29 550.0 10.40 471.0 10.58 46.88 6.91 636 1306 84.3 0.8563 "4H-5, 140-150" 55 8.9 6.1 34.05 34.0 7.98 16.94 553.6 9.20 475.0 10.45 45.93 5.80 565 1302 28.8 0.8581 "5H-5, 140-150" 55 - 7.2 43.55 34.0 8.16 18.75 553.4 8.20 477.9 10.17 44.91 5.30 602 1354 18.7 0.8637 "6H-5, 140-150" 55 8.8 8.4 53.05 34.0 8.08 19.70 550.2 4.99 472.5 9.68 43.70 5.14 615 1447 13.7 0.8588 "7H-5, 140-150" 55 8.9 9.6 62.55 34.0 8.14 21.79 551.0 2.99 473.6 9.46 42.43 5.43 611 1484 34.7 0.8595 "8H-5, 140-150" 30 10.3 10.8 72.05 34.0 8.08 22.17 550.7 1.10 472.9 9.52 40.99 5.35 567 1625 19.6 0.8587 "9H-5, 140-150" 55 8.9 12.0 81.55 33.5 7.85 21.85 549.5 0.29 471.5 8.24 40.47 5.63 628 1579 24.6 0.8580 "10H-5, 135-150" 55 9.8 13.2 91.03 33.5 8.01 20.76 550.2 0.20 472.0 8.80 39.75 5.52 580 1701 15.5 0.8579 "11H-5, 135-150" 55 9.8 14.4 100.53 33.5 7.96 19.84 548.2 0.14 469.4 9.14 39.10 5.80 370 1605 10.8 0.8563 "12H-5, 135-150" 55 10.2 15.6 110.03 33.5 7.77 18.62 547.2 0.33 468.2 8.50 38.57 6.33 764 1542 34.1 0.8556 "13H-5, 135-150" 55 - 16.7 119.53 32.0 7.78 15.69 550.4 2.21 471.7 8.40 38.47 6.73 775 1363 12.9 0.8570 "14X-5, 135-150" 55 - 17.9 129.03 32.5 7.77 12.98 546.7 5.74 469.8 8.66 38.35 7.99 569 1268 8.2 0.8594 "15X-5, 135-150" 55 9.3 19.1 138.63 32.5 7.62 11.04 546.9 9.24 470.5 8.72 39.04 9.58 887 1041 8.2 0.8602 "16X-5, 135-150" 55 - 20.3 148.23 33.5 7.73 5.28 546.1 15.40 469.0 8.65 40.61 11.67 424 795 0.0 0.8588 "17X-5, 135-150" 55 - 21.5 157.83 34.0 7.60 3.73 545.3 19.98 467.2 9.46 41.73 14.42 930 457 0.8 0.8568 "18X-1, 135-150" 55 - 22.0 161.43 34.0 7.68 3.01 542.6 21.46 464.5 9.13 42.44 15.01 762 387 1.4 0.8561 "18X-2, 135-150" 55 - 22.2 162.93 34.0 7.75 3.51 540.9 22.56 463.0 9.24 42.76 15.90 715 350 0.1 0.8559 "18X-3, 135-150" 55 - 22.4 164.43 34.0 7.80 2.86 540.0 23.02 463.8 9.57 41.89 15.86 681 298 0.0 0.8589 "18X-4, 135-150" 55 - 22.5 165.93 34.0 7.57 2.15 542.2 23.92 465.5 8.94 42.66 16.23 723 231 0.0 0.8585 "18X-5, 135-150" 55 - 22.7 166.98 34.0 7.75 1.83 540.0 24.32 463.1 9.62 42.51 16.39 508 191 0.0 0.8575 Basement at: 22.8 167.80 Basement age = 0.970 Ma 168-1025A- "1H-1, 140-150" 55 7.6 2.3 1.45 35.0 7.81 4.43 541.1 26.86 470.50 11.79 48.71 9.77 499 107 8.6 0.8695 "1H-2, 140-150" 55 7.8 2.9 2.95 35.0 7.68 6.46 544.2 23.28 469.60 11.26 48.31 9.86 476 374 16.6 0.8629 "1H-3, 140-150" 55 7.8 3.5 4.45 35.0 7.86 7.72 544.4 20.70 467.30 11.24 47.65 9.84 468 565 8.6 0.8584 168-1025B- "1H-1, 140-150" 55 6.1 2.3 1.45 35.0 7.72 4.45 543.1 26.60 471.33 11.54 49.07 9.86 491 196 15.1 0.8678 "1H-2, 140-150" 55 6.6 2.9 2.95 35.0 7.90 6.38 542.1 23.97 467.86 11.14 48.79 9.92 449 374 17.6 0.8631 "1H-3, 140-150" 55 6.8 3.5 4.45 35.0 7.81 8.87 543.9 21.16 469.63 11.23 47.40 9.71 481 565 17.6 0.8635 "2H-1, 140-150" 55 7.2 4.2 6.45 34.5 7.80 13.14 547.1 15.69 472.18 10.52 45.03 9.43 512 997 33.1 0.8631 "2H-2, 140-150" 55 7.3 4.8 7.95 34.5 7.69 14.31 546.2 14.36 471.38 10.59 44.31 9.31 514 1124 34.9 0.8630 "2H-3, 140-150" 55 8.6 5.4 9.45 34.5 7.79 15.43 547.2 13.84 473.28 10.59 44.15 9.07 502 1238 38.5 0.8649 "2H-4, 140-150" 55 13.2 5.9 10.95 34.5 7.90 16.42 551.4 12.94 479.53 10.93 42.86 8.76 478 1365 31.2 0.8697 "3H-5, 140-150" 55 9.3 10.1 21.95 34.0 7.73 16.41 560.3 8.52 485.59 10.53 40.81 8.00 499 1696 31.2 0.8667 "4H-5, 140-150" 55 11.4 13.7 31.45 33.5 7.88 11.15 556.2 12.16 484.73 10.38 38.36 9.92 604 1518 17.6 0.8715 "5H-5, 140-150" 55 12.3 17.2 40.95 34.0 7.78 560.5 13.70 9.76 36.11 12.86 659 1334 3.9 "6H-5, 140-150" 55 13.6 20.8 50.45 34.5 7.83 4.63 559.5 16.81 485.79 8.86 32.90 18.65 579 1102 3.9 0.8683 "7H-5, 140-150" 55 13.6 24.4 59.95 35.0 7.83 3.27 559.5 20.01 484.51 7.89 30.90 24.30 586 916 1.3 0.8660 "8H-5, 140-150" 35 - 28.0 69.45 35.5 8.24 2.37 560.4 21.81 481.84 7.46 29.52 29.02 256 730 1.3 0.8598 "10X-1, 135-150" 55 - 32.9 82.53 35.0 7.87 1.75 554.5 26.75 477.46 6.37 27.92 35.03 399 328 0.6 0.8611 "10X-5, 135-150" 55 - 35.2 88.53 35.0 7.74 1.77 552.4 26.07 475.57 6.96 26.80 35.09 428 229 1.1 0.8609 "11X-2, 135-150" 55 - 37.1 93.63 35.0 7.44 0.93 549.5 25.95 471.46 7.10 26.61 35.28 426 146 0.3 0.8580 "11X-3, 135-150" 55 - 37.7 95.13 35.0 7.49 0.94 549.4 27.31 471.16 6.98 27.15 36.26 460 118 0.5 0.8576 "11X-4, 135-150" 55 - 38.2 96.63 34.5 7.73 0.92 547.0 26.70 466.58 7.31 27.33 36.39 394 96 0.5 0.8530 Basement at: 38.6 97.50 Basement age = 1.237 Ma Notes: T = temperature. R.I.= refractive index. - = not determined.