Table T1. Interstitial water composition, Site 1202
Core, section, interval (cm)
IW#
Depth (mbsf)
In situ* Temp. (°C)
pH
at 25°C
Alkalinity (meq/kg)
Salinity (#)
Chlorinity (mmol/kg)
Sulfate (mmol/kg)
Na
(mmol/kg)
K
(mmol/kg)
Mg
(mmol/kg)
Ca
(mmol/kg)
Method:
ISE
ET
RI
ET
IC
Calc.
FAAS
ICP-AES
ICP-AES
Bottom seawater
0.00 4.6 8.0 2.21 34.15 532.70 27.56 457.67 9.96 51.54 10.03
195-1202A-











1H-1, 145–150 1 1.45 4.7 7.35 5.09 35.0 533.39 27.09 465.34 11.39 48.24 9.64
1H-2, 145–150 2 2.95 4.7 7.23 10.45 35.0 535.23 22.41 465.23 11.52 48.88 7.91
1H-3, 145–150 3 4.45 4.8 7.23 14.40 34.5 531.54 18.23 463.18 11.20 47.62 6.31
1H-4, 145–150 4 5.95 4.8 7.43 17.74 34.5 534.31 15.28 466.21 11.22 47.06 5.46
1H-5, 94–99 5 6.94 4.9 7.32 17.62 34.0 537.54 13.64 474.26 11.50 43.71 4.56
2H-1, 145–150 6 8.55 4.9 8.08 24.46 32.5 534.31 2.65 463.93 10.42 42.79 2.02
2H-2, 145–150 7 10.05 5.0 8.10 26.03 33.0 538.00 1.01 462.05 10.48 43.40 3.30
2H-3, 145–150 8 11.55 5.1 8.08 25.20 32.5 535.23 0.98 454.17 10.40 45.20 3.65
2H-4, 145–150 9 13.05 5.1 7.91 23.10 33.0 537.54 0.59 460.28 10.94 42.04 3.20
2H-5, 145–150 10 14.55 5.2 7.98 19.62 33.0 537.08 1.28 461.35 11.80 40.10 2.89
2H-6, 145–150 11 16.05 5.2 7.89 20.55 32.5 539.84 0.18 464.41 10.26 40.46 2.52
2H-7, 75–80 12 16.85 5.3 7.85 19.84 32.5 538.00 0.40 463.13 9.92 40.03 2.71
3H-1, 145–150 13 18.05 5.3 7.62 17.62 32.2 539.84 0.54 464.46 9.76 39.03 3.07
3H-2, 145–150 14 19.55 5.4 7.85 16.73 32.0 540.77 0.59 462.44 9.63 39.91 3.33
3H-3, 145–150 15 21.05 5.4 7.84 15.37 32.0 538.00 0.56 463.45 9.82 37.49 3.06
3H-4, 145–150 16 22.55 5.5 7.93 10.60 32.0 541.69 0.55 462.38 12.73 36.65 2.45
3H-5, 145–150 17 24.05 5.6 7.93 10.52 32.0 540.77 0.21 461.33 11.61 36.83 2.52
3H-6, 145–150 18 25.55 5.6 7.90 12.14 32.0 539.84 0.20 461.38 11.58 37.01 2.64
3H-7, 72–77 19 26.32 5.7 7.98 11.29 32.0 544.00 0.32 462.44 11.84 38.17 2.60
4H-1, 145–150 20 27.55 5.7 7.80 13.00 32.0 540.77 0.87 465.13 9.90 37.26 2.93
4H-2, 145–150 21 29.05 5.8 8.01 11.86 32.2 544.46 0.96 466.44 12.66 37.05 2.48
4H-3, 145–150 22 30.55 5.8 7.84 13.58 32.5 542.61 1.12 459.91 11.57 40.17 3.26
4H-4, 145–150 23 32.05 5.9 7.87 13.82 32.0 541.69 0.28 457.00 10.33 40.87 3.45
4H-5, 145–150 24 33.55 5.9 7.90 12.59 32.5 542.61 0.60 461.20 11.41 38.46 3.39
4H-6, 145–150 25 35.05 6.0 8.05 12.58 32.5 545.38 0.75 462.69 13.07 38.36 3.43
4H-7, 82–87 26 35.92 6.0 8.03
32.5 543.54 0.67 452.00 14.36 36.05 3.17
5H-1, 145–150 27 37.05 6.1 7.92 10.40 32.2 542.61 0.67 459.94 10.30 38.27 3.74
5H-2, 145–150 28 38.55 6.1 7.94 10.10 32.5 544.46 0.83 465.23 10.99 36.56 3.38
5H-3, 145–150 29 40.05 6.2 7.98 9.25 32.0 544.46 1.36 464.24 12.53 36.37 3.41
5H-4, 145–150 30 41.55 6.3 8.13 4.99 31.0 532.46 0.62 466.84 10.57 28.14 2.47
6H-3, 145–150 31 49.55 6.6 7.43 7.88 31.5 530.16 0.76 453.91 7.27 35.28 3.86
7H-3, 145–150 32 59.05 7.0 7.81 8.67 32.2 549.07 0.98 476.17 8.14 34.38 3.26
8H-3, 145–150 33 68.55 7.3 7.83 7.74 32.5 550.00 0.75 463.49 9.64 39.37 3.63
9H-3, 145–150 34 78.05 7.7 7.89 6.23 32.0 542.15 0.81 456.24 9.85 38.18 3.72
10-H3, 145–150 35 87.45 8.1 7.69 9.08 32.5 546.30 0.17 454.36 8.85 42.03 4.17
11-H3, 145–150 36 97.05 8.5 7.67 10.03 32.5 548.15 0.75 458.28 8.75 41.53 4.73
12-H3, 145–150 37 106.55 8.9 7.74 7.60 32.0 544.46 0.22 452.17 9.41 41.43 3.98
13-H6, 132–142 38 117.37 9.3 7.80 5.75 32.5 550.00 0.30 463.83 8.96 38.23 3.49
195-1202D-











14-X3, 140–150 39 118.9 9.4 7.82 7.14 32.2 544.92 3.04 463.42 8.31 39.33 3.82
15-X3, 140–150 40 128.5 9.7 7.83 5.91 32.0 545.84 2.79 466.25 7.60 37.76 3.93
16-X3, 140–150 41 138.2 10.1 7.77 6.15 32.5 546.77 4.43 469.47 7.97 37.60 4.51
17-X3, 140–150 42 147.8 10.5 7.70 6.28 32.0 544.00 2.90 465.96 7.56 36.61 4.60
20-X3, 140–150 43 176.7 11.7 7.69 5.55 32.0 543.07 3.56 465.91 9.62 35.71 4.33
23X-4, 92–102 44 206.72 12.9 7.71 5.44 32.0 544.92 1.72 471.93 9.30 31.91 4.31
27X-1, 140–150 45 241.1 14.2 7.46 6.15 32.2 538.92 3.45 454.45 8.17 39.25 5.35
30X-1, 140–150 46 269.9 15.4 7.85 6.94 32.5 544.00 7.87 459.09 11.99 41.02 6.71
33X-2, 140–150 47 300.3 16.6 7.82 5.60 32.2 543.07 3.44 457.73 10.81 38.07 5.37
36X-2, 140–150 48 329.1 17.8 7.72 5.83 32.0 539.84 4.59 462.11 9.57 36.34 5.18
39X-2, 140–150 49 358.2 18.9 7.67 5.64 32.2 543.53 3.15 463.91 9.62 35.60 5.31
42X-2, 140–150 50 387.1 20.1 7.74 6.54 32.2 538.92 4.44 465.12 9.24 34.79 5.13
 
Core, section, interval (cm)
Na/Cl
(mol/mol)
Br/Cl
(µmol/mmol)
F/Br
(µmol/mmol)
Br
(mmol/kg)
F
(mmol/kg)
Sr
(µmol/kg)
Ba
(µmol/kg)
Mn
(µmol/kg)
Fe
(µmol/kg)
Si
(µmol/kg)
B
(µmol/kg)
Method:
 
 
 
IC
ISE
ICP-AES
ICP-AES
ICP-AES
ICP-AES
ICP-AES
ICP-AES
Bottom Seawater 0.8591 1.54 80.6 0.821 66.2 88.9 0.14 0 0
403
195-1202A-










1H-1, 145–150 0.8724 1.44 82.2 0.768 63.1 85.5 0.90 46.95 106.5 600 560
1H-2, 145–150 0.8692 1.55 63.4 0.830 52.6 77.1 0.80 11.75 20.2 509 569
1H-3, 145–150 0.8714 1.40 53.1 0.742 39.4 72.3 0.39 1.73 8.0 583 584
1H-4, 145–150 0.8725 1.52 44.3 0.812 36.0 69.1 0.44 1.19 18.9 597 615
1H-5, 94–99 0.8823 1.53 46.1 0.821 37.8 60.2 1.78 0.71 4.2 486 639
2H-1, 145–150 0.8683 1.52 38.7 0.810 31.4 47.7 1.45 0.62 4.3 393 528
2H-2, 145–150 0.8588 1.55 70.1 0.834 58.5 61.1 8.16 1.87 4.0 340 487
2H-3, 145–150 0.8485 1.67 45.1 0.893 40.3 65.1 9.05 2.66 3.5 374 540
2H-4, 145–150 0.8563 1.60 90.0 0.860 77.4 63.0 13.43 1.68 3.1 426 524
2H-5, 145–150 0.8590 1.63 90.3 0.874 78.9 58.1 11.09 1.77 2.8 303 521
2H-6, 145–150 0.8603 1.58 41.9 0.854 35.8 54.2 9.09 0.40 3.0 326 524
2H-7, 75–80 0.8608 1.68 34.0 0.906 30.8 56.4 8.90 0.49 3.5 340 512
3H-1, 145–150 0.8604 1.81 36.1 0.977 35.3 59.0 10.98 1.64 11.5 458 536
3H-2, 145–150 0.8552 1.43 45.3 0.773 35.0 62.3 10.81 4.00 17.6 474 571
3H-3, 145–150 0.8614 1.77 35.2 0.950 33.4 59.2 10.55 2.05 9.5 534 577
3H-4, 145–150 0.8536 1.82 64.9 0.983 63.8 42.7 7.87 1.07 3.2 185 459
3H-5, 145–150 0.8531 1.77 62.1 0.957 59.5 46.5 9.06 1.74 3.6 195 436
3H-6, 145–150 0.8547 1.53 67.7 0.825 55.9 53.5 22.01 1.78 3.3 287 516
3H-7, 72–77 0.8501 1.56 72.4 0.849 61.4 50.1 9.22 0.98 3.5 221 482
4H-1, 145–150 0.8601 1.82 48.5 0.984 47.8 52.7 10.93 2.09 5.1 266 437
4H-2, 145–150 0.8567 1.81 63.0 0.984 62.0 43.1 9.95 0.93 3.5 177 419
4H-3, 145–150 0.8476 1.85 55.7 1.005 56.0 56.1 15.36 1.24 3.4 277 487
4H-4, 145–150 0.8437 1.66 42.2 0.898 37.9 56.5 9.56 1.51 4.0 304 482
4H-5, 145–150 0.8500 1.95 54.7 1.060 58.0 53.1 7.39 1.73 3.4 266 489
4H-6, 145–150 0.8484 1.74 72.4 0.949 68.7 53.7 6.32 1.02 3.1 215 478
4H-7, 82–87 0.8316 1.54 88.8 0.839 74.6 49.1 4.45 0.71 2.9 199 425
5H-1, 145–150 0.8476 1.68 68.0 0.911 61.9 55.1 2.21 2.44 2.8 241 376
5H-2, 145–150 0.8545 1.63 81.6 0.885 72.2 50.8 1.71 0.75 2.6 142 354
5H-3, 145–150 0.8527 1.61 92.8 0.874 81.1 50.9 5.39 0.84 2.3 139 395
5H-4, 145–150 0.8768 1.73 95.9 0.923 88.4 33.6 0.86 1.02 2.2 77 207
6H-3, 145–150 0.8562 1.74 46.7 0.925 43.2 57.4 2.30 3.67 16.7 480 398
7H-3, 145–150 0.8672 1.90 45.3 1.042 47.2 56.8 1.56 1.99 4.4 275 410
8H-3, 145–150 0.8427 1.55 69.2 0.854 59.1 56.0 4.63 2.13 3.2 206 411
9H-3, 145–150 0.8415 1.86 53.2 1.007 53.5 60.6 10.94 3.22 5.7 259 466
10-H3, 145–150 0.8317 1.83 50.8 0.997 50.7 61.4 3.41 3.21 3.2 275 417
11-H3, 145–150 0.8360 1.82 49.9 0.997 49.8 67.5 4.03 4.56 3.3 316 423
12-H3, 145–150 0.8305 1.77 48.2 0.963 46.4 51.8 2.42 4.59 3.1 166 398
13-H6, 132–142 0.8433 1.83 59.1 1.005 59.4 54.4 3.26 1.52 3.1 125 320
195-1202D-










14-X3, 140–150 0.8504 1.70 61.2 0.925 56.7 58.2 2.22 1.47 3.3 173 345
15-X3, 140–150 0.8542 1.74 56.7 0.948 53.7 61.5 2.29 1.57 2.7 159 327
16-X3, 140–150 0.8586 1.70 50.2 0.929 46.6 64.3 4.42 1.80 2.8 118 324
17-X3, 140–150 0.8566 1.66 47.8 0.903 43.2 63.4 3.39 3.61 5.6 212 365
20-X3, 140–150 0.8579 1.78 43.6 0.964 42.0 59.0 3.19 7.98 3.3 147 402
23X-4, 92–102 0.8661 1.84 45.8 1.002 45.9 64.8 3.41 12.02 2.6 163 302
27X-1, 140–150 0.8433 1.76 50.9 0.950 48.4 73.7 8.97 8.30 17.7 360 548
30X-1, 140–150 0.8439 1.89 43.2 1.027 44.3 73.6 5.74 5.04 2.9 117 357
33X-2, 140–150 0.8428 1.90 41.3 1.033 42.6 63.9 3.88 7.75 2.3 180 379
36X-2, 140–150 0.8560 1.83 40.1 0.989 39.7 63.2 3.74 5.02 3.3 191 380
39X-2, 140–150 0.8535 1.95 32.0 1.058 33.9 65.3 6.10 4.56 2.3 166 330
42X-2, 140–150 0.8631 2.09 27.1 1.128 30.6 65.8 4.41 5.55 3.1 180 348

Notes: * = calculated from bottom water temperature of 4.6°C and a temperature gradient of 0.040°C/m, as estimated from downhole measurements. Methods: ISE = ion-specific electrode, ET = electrochemical titration, RI = refractive index, IC = ion chromatography, Calc. = calculated from charge balance, FAAS = flame atomic absorption spectrophotometry, ICP-AES = inductively coupled plasma atomic emission spectrometry.