Table T1.

Table T1. Concentration and isotopic data of selected interstitial constituents from Leg 172 sites.

Core, section,
interval (cm) Depth
(mbsf) Depth
(mcd) Sulfate*
(mM) Alkalinity*
(mM) CO₂(mM) ¹³C CO₂( PDB)

172-1054A-

1H-1, 145-150
1.45
1.45
27.6
4.6
4.8
-5.101

1H-5, 145-150
7.45
7.45
27.4
4.3
--
--

2H-3, 145-150
12.45
12.10
24.2
8.0
8.2
-11.844

3H-1, 145-150
18.95
20.20
21.0
10.9
11.4
-14.732

3H-6, 145-150
26.45
27.70
16.9
16.2
14.6
-16.794

4H-1, 145-150
28.45
29.35
13.0
19.4
16.6
-17.656

4H-3, 145-150
31.45
32.35
12.1
21.8
19.2
-18.338

4H-6, 145-150
35.95
36.85
10.3
23.8
20.2
-18.742

5H-5, 145-150
43.95
45.70
3.4
28.7
26.0
-20.711

6H-4, 140-150
54.90
56.75
0.0
33.5
31.9
-13.71

8H-1, 140-150
63.80
66.40
0.1
37.7
34.9
-7.683

10H-5, 140-150
82.70
84.45
0.2
43.1
46.7
3.3

12X-4, 140-150
99.40
105.49
0.1
50.7
57.1
6.4

14X-4, 140-150
118.60
124.59
0.0
55.8
62.1
9.2

16X-2, 135-150
137.75
143.74
0.6
56.9
63.4
10.7

19X-2, 140-150
163.80
169.79
0.5
65.2
65.0
11.6

22X-4, 140-150
195.70
201.69
0.2
67.8
67.6
12.2

172-1055B-

1H-1, 145-150
1.45
1.60
27.4
3.9
4.4
-5.437

2H-1, 145-150
5.95
5.90
25.3
6.6
7.0
-11.991

2H-4, 145-150
10.45
10.40
21.1
9.0
9.2
-14.593

3H-1, 145-150
15.45
18.58
11.9
13.9
13.7
-18.036

3H-2, 145-150
16.95
20.08
9.9
16.4
14.8
-18.742

3H-4, 145-150
19.95
23.08
7.1
17.9
16.4
-20.401

3H-6, 145-150
22.95
26.08
4.0
19.6
17.6
-21.359

4H-1, 145-150
24.95
29.38
0.5
21.8
19.3
-22.287

4H-2, 145-150
26.45
30.88
0.3
21.0
18.3
-21.73

4H-3, 145-150
27.95
32.38
0.1
21.2
19.5
-19.592

4H-5, 145-150
30.95
35.38
0.0
20.4
18.4
-15.396

5H-1, 145-150
34.40
40.12
0.1
21.2
20.3
-11.445

5H-6, 140-150
41.90
47.62
0.1
23.1
21.5
-7.115

6H-5, 140-150
49.90
56.32
0.4
24.8
23.4
-3.834

8H-6, 140-150
70.40
78.21
0.1
31.6
30.7
1.4

10H-6, 140-150
89.40
99.86
0.6
38.7
34.7
4.7

12H-6, 140-150
108.13
122.62
0.4
41.0
43.2
5.5

14H-6, 135-150
126.43
144.16
0.2
48.5
48.4
7.7

172-1058A-

2H-5, 140-150
16.90
19.35
0.2
28.2
29.1
--

13H-5, 140-150
120.65
134.02
0.2
36.4
37.7
7.6

14H-7, 140-150
132.80
146.79
0.0
40.9
39.7
5.8

16H-5, 140-150
148.66
167.14
0.0
44.6
43.4
8.3

172-1059A-

1H-1, 145-150
1.45
1.45
24.5
6.1
6.4
-17.828

2H-1, 145-150
5.25
7.32
9.6
19.4
18.5
-27.204

2H-2, 145-150
6.75
8.82
6.7
20.5
21.7
-28.361

2H-3, 145-150
8.25
10.32
3.2
25.6
25.0
-31.806

2H-5, 145-150
11.25
13.32
0.5
28.6
27.8
-27.954

2H-6, 145-150
12.75
14.82
0.2
29.8
29.8
-24.668

3H-1, 145-150
14.75
17.30
0.2
31.5
29.2
-19.712

3H-5, 145-150
20.75
23.30
0.5
32.5
29.0
-13.871

4H-6, 62-72
30.42
33.45
0.0
30.6
27.8
-8.36

5H-5, 150-160
39.80
43.36
0.5
29.6
25.5
-5.727

7H-6, 140-150
60.20
71.84
0.0
30.7
30.8
0.0

9H-5, 140-150
77.70
92.56
0.0
30.6
29.3
3.2

11H-5, 140-150
96.15
114.31
0.1
31.2
29.1
5.9

172-1060A-

1H-1, 145-150
1.45
1.45
25.3
6.2
5.4
-16.097

1H-3, 145-150
4.45
4.45
18.6
12.8
9.7
-21.776

1H-5, 145-150
7.45
7.45
12.2
17.5
16.1
-25.28

2H-1, 145-150
10.45
12.39
3.5
--
22.3
-27.824

2H-2, 145-150
11.95
13.89
1.3
26.9
--
--

2H-3, 145-150
13.45
15.39
0.8
28.2
--
--

2H-4, 145-150
14.95
16.89
0.2
26.2
29.1
-28.926

2H-5, 145-150
16.45
18.39
0.1
25.6
27.6
-27.818

2H-6, 145-150
17.95
19.89
0.7
28.6
27.2
-26.368

3H-1, 140-150
19.90
23.90
0.1
28.6
26.7
-23.961

3H-5, 140-150
25.90
29.90
0.1
27.2
--
-20.355

4H-5, 146-156
35.46
40.08
0.2
23.6
23.5
-16.421

5H-5, 144-154
44.94
50.81
--
--
22.7
-10.633

7H-5, 140-150
63.90
74.29
0.0
24.3
21.2
-4.382

9H-5, 140-150
82.90
95.06
0.0
21.7
19.5
-1.534

11H-5, 140-150
101.90
117.09
0.0
19.3
16.5
0.2

13H-5, 140-150
119.40
138.23
0.0
19.3
16.8
1.4

15H-5, 140-150
139.90
160.53
0.2
16.7
14.4
1.4

18H-5, 140-150
168.10
188.73
0.3
15.2
14.0
2.8

172-1061A-

2H-4, 140-150
15.40
28.49
0.0
26.2
24.9
-23.449

3H-5, 146-150
26.46
42.29
0.0
22.6
20.1
-16.824

4H-5, 140-150
35.90
52.35
0.0
23.3
21.5
-11.162

6H-5, 145-150
54.90
74.25
0.0
22.0
20.2
-6.493

8H-5, 145-150
73.76
96.81
0.2
20.0
17.6
-3.776

11H-5, 140-150
102.40
128.69
0.0
17.3
15.4
-0.905

13H-5, 140-150
121.40
150.74
0.0
14.9
10.1
-0.819

15H-5, 140-150
140.40
173.12
0.0
13.1
11.5
0.4

18X-4, 135-150
162.76
200.28
0.6
13.3
11.3
3.0

21X-3, 135-150
189.60
228.87
0.0
13.1
11.5
3.0

25X-1, 125-150
226.05
265.32
0.0
10.8
8.4
3.3

27X-3, 125-150
247.53
286.80
0.0
9.3
7.9
2.6

28X-4, 100-125
258.66
297.93
0.0
6.1
5.7
0.3

30X-5, 125-150
279.92
319.19
0.0
5.7
5.3
1.4

34X-1, 120-150
312.90
352.17
0.0
6.1
5.1
1.1

37X-3, 120-150
344.70
383.97
0.1
6.5
5.5
-0.594

172-0161E-

1H-1, 145-150
1.45
1.45
25.2
--
6.2
-14.83

1H-2, 145-150
2.95
2.95
--
--
9.7
-19.167

1H-4, 145-150
5.35
5.35
18.2
12.1
11.2
-21.429

1H-6, 145-150
8.35
8.35
12.2
17.6
14.6
-24.003

2H-1, 145-150
10.85
10.85
8.2
21.5
18.1
-26.346

2H-3, 145-150
13.85
13.85
5.0
25.2
21.3
-28.059

2H-5, 132-137
16.72
16.72
1.1
26.8
25.4
-30.978

2H-6, 145-150
18.22
18.22
0.5
28.2
25.8
-31.293

172-1062A-

1H-1, 145-150
1.45
1.45
27.5
4.8
5.0
-8.363

2H-1, 140-150
3.60
6.00
22.3
9.1
1.3

2H-2, 140-150
5.10
7.50
--
--
--
-15.089

2H-4, 140-150
8.10
10.50
--
--
--
-16.099

2H-6, 140-150
11.10
13.50
17.2
13.9
12.3
-17.241

3H-3, 140-150
16.10
19.02
14.0
15.6
15.3
-17.279

4H-1, 140-150
22.60
27.04
10.5
17.6
16.6
-17.632

4H-5, 140-150
28.60
33.04
8.6
19.2
19.1
-17.936

5H-2, 140-150
33.60
38.40
6.8
--
18.9
-18.269

6H-1, 140-150
41.60
48.62
4.2
21.2
17.4
-18.972

6H-5, 140-150
47.60
54.62
3.5
19.6
19.2
-19.094

7H-5, 140-150
57.10
65.14
1.4
18.8
16.6
-19.729

8H-5, 140-150
66.60
74.26
0.5
18.5
17.4
-20.211

9H-5, 140-150
76.10
83.10
0.2
16.2
16.2
-19.452

10H-5, 140-150
85.60
92.46
0.3
14.9
12.8
-19.796

12H-4, 140-150
103.10
111.00
0.0
12.6
10.6
-19.373

14H-3, 135-150
120.55
128.91
0.0
8.7
7.2
-15.96

16H-4, 135-150
140.65
149.67
0.0
7.6
6.8
-9.863

18H-4, 135-150
160.05
171.99
0.3
8.3
7.7
-4.066

20H-4, 135-150
179.05
190.99
0.2
10.6
7.6
-1.326

172-1062B-

23X-5, 140-150
216.86
216.86
0.0
10.9
10.0
0.5

26X-5, 125-150
245.61
245.61
0.2
12.6
12.6
0.7

172-1063A-

1H-1, 140-150
1.40
1.40
25.9
4.5
5.3
-10.46

1H-3, 140-150
4.40
4.40
22.3
--
8.8
-14.178

2H-3, 140-150
8.52
9.38
14.4
14.8
15.5
-16.427

3H-3, 140-150
19.20
20.88
4.5
24.1
22.4
-21.106

3H-6, 140-150
23.70
23.70
--
--
23.7
-19.654

4H-3, 140-150
28.70
30.56
3.6
22.8
20.4
-22.379

4H-6, 140-150
33.20
35.06
2.3
22.3
20.4
-24.611

5H-3, 140-150
38.20
41.64
0.1
23.6
21.2
-28.51

5H-6, 140-150
42.70
46.14
--
23.4
20.8
-28.041

6H-3, 140-150
47.70
51.22
0.5
22.5
20.9
-27.265

6H-6, 140-150
52.20
55.72
0.2
22.0
17.7
-25.642

7H-3, 140-150
57.20
61.66
0.5
19.2
18.5
-24.952

9H-3, 140-150
76.20
80.76
0.2
17.1
14.9
-16.954

11H-5, 140-150
98.20
104.76
0.0
15.0
13.8
-11.325

14H-5, 135-150
126.04
136.42
0.3
11.6
9.9
-7.496

17H-5, 135-150
154.25
166.19
0.0
10.1
9.2
-5.871

20H-5, 139-159
183.23
196.28
0.0
8.8
7.7
-5.214

23X-4, 130-150
207.20
224.43
0.7
6.7
5.8
-3.738

26X-5, 130-150
234.10
256.39
0.0
5.3
4.6
-2.569

29X-3, 130-150
259.60
283.05
0.7
3.1
2.4
-3.88

32X-3, 117-142
288.27
312.29
0.5
5.4
4.8
-3.424

36X-5, 125-150
326.85
358.74
0.0
4.5
3.7
-3.625

40X-4, 125-150
366.45
398.34
0.4
2.4
1.7
-5.93

45X-5, 120-150
415.95
447.84
0.2
3.7
3.9
-7.39

Core, section, interval (cm)	Depth (mbsf)	Depth (mcd)	Sulfate* (mM)	Alkalinity* (mM)	CO₂(mM)	¹³C CO₂( PDB)
172-1054A-
1H-1, 145-150	1.45	1.45	27.6	4.6	4.8	-5.101
1H-5, 145-150	7.45	7.45	27.4	4.3	--	--
2H-3, 145-150	12.45	12.10	24.2	8.0	8.2	-11.844
3H-1, 145-150	18.95	20.20	21.0	10.9	11.4	-14.732
3H-6, 145-150	26.45	27.70	16.9	16.2	14.6	-16.794
4H-1, 145-150	28.45	29.35	13.0	19.4	16.6	-17.656
4H-3, 145-150	31.45	32.35	12.1	21.8	19.2	-18.338
4H-6, 145-150	35.95	36.85	10.3	23.8	20.2	-18.742
5H-5, 145-150	43.95	45.70	3.4	28.7	26.0	-20.711
6H-4, 140-150	54.90	56.75	0.0	33.5	31.9	-13.71
8H-1, 140-150	63.80	66.40	0.1	37.7	34.9	-7.683
10H-5, 140-150	82.70	84.45	0.2	43.1	46.7	3.3
12X-4, 140-150	99.40	105.49	0.1	50.7	57.1	6.4
14X-4, 140-150	118.60	124.59	0.0	55.8	62.1	9.2
16X-2, 135-150	137.75	143.74	0.6	56.9	63.4	10.7
19X-2, 140-150	163.80	169.79	0.5	65.2	65.0	11.6
22X-4, 140-150	195.70	201.69	0.2	67.8	67.6	12.2
172-1055B-
1H-1, 145-150	1.45	1.60	27.4	3.9	4.4	-5.437
2H-1, 145-150	5.95	5.90	25.3	6.6	7.0	-11.991
2H-4, 145-150	10.45	10.40	21.1	9.0	9.2	-14.593
3H-1, 145-150	15.45	18.58	11.9	13.9	13.7	-18.036
3H-2, 145-150	16.95	20.08	9.9	16.4	14.8	-18.742
3H-4, 145-150	19.95	23.08	7.1	17.9	16.4	-20.401
3H-6, 145-150	22.95	26.08	4.0	19.6	17.6	-21.359
4H-1, 145-150	24.95	29.38	0.5	21.8	19.3	-22.287
4H-2, 145-150	26.45	30.88	0.3	21.0	18.3	-21.73
4H-3, 145-150	27.95	32.38	0.1	21.2	19.5	-19.592
4H-5, 145-150	30.95	35.38	0.0	20.4	18.4	-15.396
5H-1, 145-150	34.40	40.12	0.1	21.2	20.3	-11.445
5H-6, 140-150	41.90	47.62	0.1	23.1	21.5	-7.115
6H-5, 140-150	49.90	56.32	0.4	24.8	23.4	-3.834
8H-6, 140-150	70.40	78.21	0.1	31.6	30.7	1.4
10H-6, 140-150	89.40	99.86	0.6	38.7	34.7	4.7
12H-6, 140-150	108.13	122.62	0.4	41.0	43.2	5.5
14H-6, 135-150	126.43	144.16	0.2	48.5	48.4	7.7
172-1058A-
2H-5, 140-150	16.90	19.35	0.2	28.2	29.1	--
13H-5, 140-150	120.65	134.02	0.2	36.4	37.7	7.6
14H-7, 140-150	132.80	146.79	0.0	40.9	39.7	5.8
16H-5, 140-150	148.66	167.14	0.0	44.6	43.4	8.3
172-1059A-
1H-1, 145-150	1.45	1.45	24.5	6.1	6.4	-17.828
2H-1, 145-150	5.25	7.32	9.6	19.4	18.5	-27.204
2H-2, 145-150	6.75	8.82	6.7	20.5	21.7	-28.361
2H-3, 145-150	8.25	10.32	3.2	25.6	25.0	-31.806
2H-5, 145-150	11.25	13.32	0.5	28.6	27.8	-27.954
2H-6, 145-150	12.75	14.82	0.2	29.8	29.8	-24.668
3H-1, 145-150	14.75	17.30	0.2	31.5	29.2	-19.712
3H-5, 145-150	20.75	23.30	0.5	32.5	29.0	-13.871
4H-6, 62-72	30.42	33.45	0.0	30.6	27.8	-8.36
5H-5, 150-160	39.80	43.36	0.5	29.6	25.5	-5.727
7H-6, 140-150	60.20	71.84	0.0	30.7	30.8	0.0
9H-5, 140-150	77.70	92.56	0.0	30.6	29.3	3.2
11H-5, 140-150	96.15	114.31	0.1	31.2	29.1	5.9
172-1060A-
1H-1, 145-150	1.45	1.45	25.3	6.2	5.4	-16.097
1H-3, 145-150	4.45	4.45	18.6	12.8	9.7	-21.776
1H-5, 145-150	7.45	7.45	12.2	17.5	16.1	-25.28
2H-1, 145-150	10.45	12.39	3.5	--	22.3	-27.824
2H-2, 145-150	11.95	13.89	1.3	26.9	--	--
2H-3, 145-150	13.45	15.39	0.8	28.2	--	--
2H-4, 145-150	14.95	16.89	0.2	26.2	29.1	-28.926
2H-5, 145-150	16.45	18.39	0.1	25.6	27.6	-27.818
2H-6, 145-150	17.95	19.89	0.7	28.6	27.2	-26.368
3H-1, 140-150	19.90	23.90	0.1	28.6	26.7	-23.961
3H-5, 140-150	25.90	29.90	0.1	27.2	--	-20.355
4H-5, 146-156	35.46	40.08	0.2	23.6	23.5	-16.421
5H-5, 144-154	44.94	50.81	--	--	22.7	-10.633
7H-5, 140-150	63.90	74.29	0.0	24.3	21.2	-4.382
9H-5, 140-150	82.90	95.06	0.0	21.7	19.5	-1.534
11H-5, 140-150	101.90	117.09	0.0	19.3	16.5	0.2
13H-5, 140-150	119.40	138.23	0.0	19.3	16.8	1.4
15H-5, 140-150	139.90	160.53	0.2	16.7	14.4	1.4
18H-5, 140-150	168.10	188.73	0.3	15.2	14.0	2.8
172-1061A-
2H-4, 140-150	15.40	28.49	0.0	26.2	24.9	-23.449
3H-5, 146-150	26.46	42.29	0.0	22.6	20.1	-16.824
4H-5, 140-150	35.90	52.35	0.0	23.3	21.5	-11.162
6H-5, 145-150	54.90	74.25	0.0	22.0	20.2	-6.493
8H-5, 145-150	73.76	96.81	0.2	20.0	17.6	-3.776
11H-5, 140-150	102.40	128.69	0.0	17.3	15.4	-0.905
13H-5, 140-150	121.40	150.74	0.0	14.9	10.1	-0.819
15H-5, 140-150	140.40	173.12	0.0	13.1	11.5	0.4
18X-4, 135-150	162.76	200.28	0.6	13.3	11.3	3.0
21X-3, 135-150	189.60	228.87	0.0	13.1	11.5	3.0
25X-1, 125-150	226.05	265.32	0.0	10.8	8.4	3.3
27X-3, 125-150	247.53	286.80	0.0	9.3	7.9	2.6
28X-4, 100-125	258.66	297.93	0.0	6.1	5.7	0.3
30X-5, 125-150	279.92	319.19	0.0	5.7	5.3	1.4
34X-1, 120-150	312.90	352.17	0.0	6.1	5.1	1.1
37X-3, 120-150	344.70	383.97	0.1	6.5	5.5	-0.594
172-0161E-
1H-1, 145-150	1.45	1.45	25.2	--	6.2	-14.83
1H-2, 145-150	2.95	2.95	--	--	9.7	-19.167
1H-4, 145-150	5.35	5.35	18.2	12.1	11.2	-21.429
1H-6, 145-150	8.35	8.35	12.2	17.6	14.6	-24.003
2H-1, 145-150	10.85	10.85	8.2	21.5	18.1	-26.346
2H-3, 145-150	13.85	13.85	5.0	25.2	21.3	-28.059
2H-5, 132-137	16.72	16.72	1.1	26.8	25.4	-30.978
2H-6, 145-150	18.22	18.22	0.5	28.2	25.8	-31.293
172-1062A-
1H-1, 145-150	1.45	1.45	27.5	4.8	5.0	-8.363
2H-1, 140-150	3.60	6.00	22.3	9.1	1.3
2H-2, 140-150	5.10	7.50	--	--	--	-15.089
2H-4, 140-150	8.10	10.50	--	--	--	-16.099
2H-6, 140-150	11.10	13.50	17.2	13.9	12.3	-17.241
3H-3, 140-150	16.10	19.02	14.0	15.6	15.3	-17.279
4H-1, 140-150	22.60	27.04	10.5	17.6	16.6	-17.632
4H-5, 140-150	28.60	33.04	8.6	19.2	19.1	-17.936
5H-2, 140-150	33.60	38.40	6.8	--	18.9	-18.269
6H-1, 140-150	41.60	48.62	4.2	21.2	17.4	-18.972
6H-5, 140-150	47.60	54.62	3.5	19.6	19.2	-19.094
7H-5, 140-150	57.10	65.14	1.4	18.8	16.6	-19.729
8H-5, 140-150	66.60	74.26	0.5	18.5	17.4	-20.211
9H-5, 140-150	76.10	83.10	0.2	16.2	16.2	-19.452
10H-5, 140-150	85.60	92.46	0.3	14.9	12.8	-19.796
12H-4, 140-150	103.10	111.00	0.0	12.6	10.6	-19.373
14H-3, 135-150	120.55	128.91	0.0	8.7	7.2	-15.96
16H-4, 135-150	140.65	149.67	0.0	7.6	6.8	-9.863
18H-4, 135-150	160.05	171.99	0.3	8.3	7.7	-4.066
20H-4, 135-150	179.05	190.99	0.2	10.6	7.6	-1.326
172-1062B-
23X-5, 140-150	216.86	216.86	0.0	10.9	10.0	0.5
26X-5, 125-150	245.61	245.61	0.2	12.6	12.6	0.7
172-1063A-
1H-1, 140-150	1.40	1.40	25.9	4.5	5.3	-10.46
1H-3, 140-150	4.40	4.40	22.3	--	8.8	-14.178
2H-3, 140-150	8.52	9.38	14.4	14.8	15.5	-16.427
3H-3, 140-150	19.20	20.88	4.5	24.1	22.4	-21.106
3H-6, 140-150	23.70	23.70	--	--	23.7	-19.654
4H-3, 140-150	28.70	30.56	3.6	22.8	20.4	-22.379
4H-6, 140-150	33.20	35.06	2.3	22.3	20.4	-24.611
5H-3, 140-150	38.20	41.64	0.1	23.6	21.2	-28.51
5H-6, 140-150	42.70	46.14	--	23.4	20.8	-28.041
6H-3, 140-150	47.70	51.22	0.5	22.5	20.9	-27.265
6H-6, 140-150	52.20	55.72	0.2	22.0	17.7	-25.642
7H-3, 140-150	57.20	61.66	0.5	19.2	18.5	-24.952
9H-3, 140-150	76.20	80.76	0.2	17.1	14.9	-16.954
11H-5, 140-150	98.20	104.76	0.0	15.0	13.8	-11.325
14H-5, 135-150	126.04	136.42	0.3	11.6	9.9	-7.496
17H-5, 135-150	154.25	166.19	0.0	10.1	9.2	-5.871
20H-5, 139-159	183.23	196.28	0.0	8.8	7.7	-5.214
23X-4, 130-150	207.20	224.43	0.7	6.7	5.8	-3.738
26X-5, 130-150	234.10	256.39	0.0	5.3	4.6	-2.569
29X-3, 130-150	259.60	283.05	0.7	3.1	2.4	-3.88
32X-3, 117-142	288.27	312.29	0.5	5.4	4.8	-3.424
36X-5, 125-150	326.85	358.74	0.0	4.5	3.7	-3.625
40X-4, 125-150	366.45	398.34	0.4	2.4	1.7	-5.93
45X-5, 120-150	415.95	447.84	0.2	3.7	3.9	-7.39

Notes: mbsf = meters below seafloor, mcd = meters corrected depth. mM = millimoles per liter or millimolar. Isotopic values in per mil () relative to the Peedee belemnite (PDB) standard. * = shipboard determinations (Keigwin, Rio, Acton, et al., 1998).