Table T1. Chloride and sulfate concentrations and stable sulfur isotope ratios in sulfate of interstitial waters from Leg 181.
Core, section, interval (cm)
Depth (mbsf)
Cl-
(mM)
SO42-
(mM)
34S
()
181-1119B-        
1H-2, 145-150 2.95 552 28.6 +21.1
2H-4, 145-150 10.6 555 39.8 +37.8
3H-4, 145-150 20.15 551 0.0 ND
4H-4, 135-140 29.65 550 0.0 ND
5H-4, 135-140 39.05 549 0.0 ND
6H-4, 145-150 48.65 549 0.2 ND
7H-4, 135-140 58.05 547 0.0 ND
8H-4, 140-155 67.60 548 0.0 ND
9H-4, 135-140 77.05 545 0.0 ND
10H-4, 140-50 86.60 548 0.0 ND
11H-4, 140-150 96.10 547 0.0 ND
14H-4, 150-155 124.70 551 0.0 ND
17H-4, 140-150 153.10 550 0.0 ND
181-1119C-        
17H-4, 140-150 156.70 551 0.0 ND
20X-4, 140-150 184.20 550 0.0 ND
23X-4, 140-150 213.10 555 0.3 ND
26X-4, 140-150 241.90 552 0.0 ND
29X-4, 140-150 270.70 556 0.0 ND
32X-4, 140-150 299.70 556 0.0 ND
35X-4, 140-150 328.20 558 1.1 ND
38X-4, 140-150 357.00 557 0.9 ND
41X-1, 140-150 381.50 559 2.4 ND
44X-4, 140-150 414.90 558 1.4 ND
47X-4, 140-150 443.80 560 0.8 ND
50X-4, 140-150 472.30 562 1.6  
181-1120B-        
1H-1, 145-150 1.45 550 28.0 ND
2H-1, 145-150 4.75 549 27.9 +20.8
2H-1, 145-150 7.75 550 26.0 ND
2H-5, 145-150 10.75 551 29.2 +20.9
3H-1, 145-150 14.25 551 27.5 +21.1
3H-3, 135-140 17.15 551 30.1 ND
4H-1, 140-150 23.70 555 27.9 +21.2
4H-3, 135-145 26.65 550 27.0 +21.3
4H-5, 140-150 29.70 552 27.0 +21.2
5H-1, 140-150 33.20 552 26.8 +21.4
5H-3, 140-150 36.20 555 27.0 +21.7
5H-5, 140-150 39.20 555 26.9 ND
6H-1 140-150 42.70 554 26.9 +21.3
6H-3, 140-150 45.70 555 26.5 +21.8
6H-5, 140-150 48.70 555 26.8 ND
7H-3, 140-150 55.20 554 26.3 ND
8H-4, 140-150 66.20 557 26.4 +22.1
9X-1, 140-150 69.70 556 26.2 +22.4
11X-2, 140-150 75.50 556 26.1 +22.6
11X-2, 140-150 85.10 557 26.1 ND
12X-4, 140-150 97.70 557 26.2 +22.8
13X-1, 140-150 102.80 557 25.9 +23.0
16X-4, 140-150 136.00 558 25.4 +23.5
19X-4, 140-150 164.90 560 24.9 +24.0
181-1120D-        
1X-4, 140-150 163.30 564 24.9 ND
4X-4, 140-150 192.20 563 24.6 ND
7X-1, 140-150 211.50 561 24.7 +25.2
181-1121B-        
1H-4, 145-150 5.95 554 28.0 20.8
2H-4, 140-150 15.40 565 28.2 20.7
3H-4, 140-150 24.90 562 27.8 20.8
6X-1, 140-150 34.10 562 26.9 21.2
7X-3, 140-150 46.70 562 26.9 21.4
8X-4, 140-150 57.90 563 26.8 21.1
9X-4, 140-150 67.50 562 26.7 21.4
10X-4, 140-150 74.10 562 26.7 21.1
11X-2, 140-150 83.80 564 26.0 21.4
12X-1, 140-150 91.90 561 26.0 21.4
15X-1, 140-150 120.80 557 24.2 22.3
17X-2, 140-150 132.90 549 23.0 22.2
181-1122A-        
1H-4, 140-150 5.90 560 3.3 ND
2H-4, 140-150 15.20 562 0.0 ND
3H-4, 140-150 24.70 562 0.0 ND
4H-4, 140-150 34.20 563 0.0 ND
5H-5, 130-140 45.10 561 0.0 ND
6H-4, 140-150 53.20 560 0.0 ND
7H-4, 140-150 62.70 557 0.0 ND
9H-4, 140-150 67.40 560 0.0 ND
10H-4, 140-150 76.90 559 0.0 ND
12H-4, 140-150 92.80 556 0.0 ND
11X-1, 140-150 96.40 553 2.5 ND
13H-4, 140-150 100.80 556 0.0 ND
12X-2, 140-150 107.60 553 1.6 ND
13X-2, 140-150 117.20 553 1.1 ND
16X-3, 140-150 122.00 554 0.0 ND
19X-1, 140-150 147.90 554 1.7 ND
22X-1, 130-140 176.60 556 3.1 ND
26X-2, 90-100 216.40 556 1.9 ND
29X-3, 140-150 247.30 556 4.9 ND
32X-1, 140-150 272.70 555 5.4 49.3
35X-4, 140-150 305.90 557 12.6 57.5
38X-2, 140-150 331.80 556 17.6 45.4
42X-2, 140-150 370.40 559 20.8 39.6
45X-2, 140-150 399.50 559 21.9 35.2
48X-4, 140-150 431.40 557 21.0 28.7
51X-4, 140-150 460.30 559 25.0 27.4
54X-3, 140-150 487.40 557 25.3 25.2
57X-2, 140-150 514.80 557 26.5 24.4
61X-3, 140-150 554.80 557 25.0 24.8
65X-2, 140-150 591.80 556 25.3 24.6
181-1123A-        
1H-1, 140-150 1.40 555 27.9 23.0
1H-3, 135-145 4.35 556 27.2 24.7
2H-1, 140-150 7.50 556 26.6 25.7
2H-3, 140-150 10.50 557 26.1 26.8
2H-5, 140-150 13.50 558 25.4 28.5
3H-1, 140-150 17.00 559 24.5 30.5
3H-3, 140-150 20.00 561 23.3 32.2
3H-5, 120-130 22.80 561 22.9 32.9
4H-1, 140-150 26.50 562 22.4 33.9
4H-3, 140-150 29.50 563 22.4 33.5
4H-5, 140-150 32.50 563 22.9 35.3
5H-1, 140-150 36.00 562 23.7 34.2
5H-3, 140-150 39.00 562 21.5 37.0
5H-5, 140-150 42.00 562 21.2 37.8
6H-1, 140-150 45.50 562 20.2 ND
6H-3, 140-150 48.50 562 20.6 39.7
6H-5, 140-150 51.50 563 20.2 41.1
7H-4, 140-150 59.50 563 19.6 ND
8H-4, 140-150 69.00 564 18.1 44.8
9H-4, 140-150 78.50 563 17.7 48.0
10H-4, 140-150 88.00 563 16.5 49.7
11H-4, 140-150 97.50 564 16.1 50.9
12H-4, 140-150 107.00 564 15.4 53.1
13H-4, 140-150 116.50 564 15.0 53.9
14H-4, 140-150 126.00 564 14.4 55.5
15H-4, 140-150 135.50 564 14.5 56.8
16H-4, 140-150 145.00 564 13.9 56.1
17H-4, 140-150 154.50 563 13.5 57.0
181-1123B-        
17H-4, 140-150 151.80 564 13.8 56.7
20X-4, 140-150 178.20 565 13.5 55.8
23X-3, 140-150 205.60 564 12.4 56.1
26X-2, 140-150 232.90 567 12.8 ND
29X-4, 140-150 264.70 565 12.7 ND
32X-4, 140-150 293.60 566 12.9 ND
35X-4, 140-150 322.40 563 13.0 ND
38X-4, 140-150 351.00 565 12.1 ND
41X-4, 140-150 380.00 564 11.9 ND
44X-3, 135-150 407.35 565 13.9 ND
47X-2, 135-150 434.65 565 11.9 ND
50X-4, 135-150 466.25 559 11.2 ND
52X-3, 135-150 483.65 561 11.9 ND
181-1123C-        
19X-4, 135-150 494.4 573 11.9 ND
22X-4, 135-150 532.9 574 11.4 ND
25X-4, 135-150 552.1 576 12.1 ND
28X-4, 135-150 581.0 578 11.1 ND
31X-4, 135-150 609.8 573 11.7 ND
33X-1, 123-135 624.4 ND ND ND

Notes: Chloride and sulfate data from Carter, McCave, Richter, Carter, et al. (1999). ND = not determined.