Table T10. Composition of interstitial waters at Site 1125.
Core, section,
interval (cm)Depth
(mbsf)Depth
(mcd)Salinity
Cl-
(mM)pH
Alkalinity
(mM) Na+
(mM)Mg2+
(mM)Ca2+
(mM)SO42-
(mM)HPO42-
(µM)NH4+ (µM)
H4SiO4 (µM)
K+
(mM)
1125A-
1H-2, 145-150
2.95
2.95
34.5
556
7.51
3.95
472
51.7
10.0
26.1
6.8
158
447
11.8
3H-4, 145-150
19.75
19.64
34.5
559
7.38
5.82
475
49.4
9.1
22.2
6.4
463
610
11.4
5H-4, 145-150
38.75
43.80
33.5
562
7.37
7.11
477
45.9
8.6
18.1
4.8
984
727
11.5
7H-4, 140-150
57.70
67.88
33.5
563
7.32
7.19
479
44.2
7.5
16.0
4.4
1210
718
11.2
9H-4, 140-150
76.70
88.62
33.5
562
7.39
8.06
480
41.6
7.1
13.4
4.4
1327
660
10.8
11H-4, 140-150
95.70
109.28
33.0
563
7.32
8.80
479
38.8
7.5
10.5
5.2
1627
705
10.7
13H-2, 145-155
111.75
127.98
32.5
564
7.35
8.80
483
36.1
6.6
8.4
4.8
1684
694
10.5
15H-4, 145-155
133.75
151.73
32.5
564
7.32
9.33
483
33.5
6.6
5.6
5.6
1701
746
10.3
17H-4, 145-155
152.75
171.50
32.0
563
7.30
9.70
482
31.1
7.0
3.5
4.4
2165
792
10.4
19H-4, 143-153
171.73
194.53
32.0
565
7.23
9.75
487
28.3
7.0
2.4
5.2
2120
859
10.0
21H-4, 140-150
190.70
216.56
32.0
563
7.19
9.91
482
27.3
7.4
0.0
4.8
2279
879
9.8
1125B-
21X-4, 140-150
194.70
221.76
32.0
563
7.25
10.06
483
27.3
7.8
0.9
4.4
2369
904
10.1
23X-4, 140-150
212.70
243.77
32.0
565
7.19
10.51
485
25.8
7.9
0.0
4.0
2406
947
9.8
25X-4, 140-150
231.90
262.97
31.5
565
7.32
9.28
485
25.4
8.8
0.0
5.6
2132
941
9.9
27X-4, 140-150
251.10
--
31.5
566
7.19
8.92
488
23.8
9.3
0.0
3.6
2459
922
9.4
29X-4, 140-150
270.30
--
31.5
565
7.15
8.35
489
22.3
9.9
0.0
6.0
2550
982
9.3
31X-2, 140-150
286.60
--
31.5
568
7.17
8.56
491
21.7
10.9
0.0
8.7
2541
1044
9.3
33X-4, 140-150
308.90
--
32.0
569
7.27
7.80
493
20.5
11.6
0.0
7.8
2578
1051
8.9
35X-4, 140-150
327.80
--
32.0
569
7.11
7.76
497
18.9
12.1
0.0
9.5
2488
1077
8.4
37X-3, 140-150
345.50
--
32.0
569
7.06
7.92
494
18.9
13.3
0.0
6.0
2455
1066
8.4
39X-4, 140-150
366.30
--
32.0
569
7.11
7.19
495
17.9
14.1
0.3
6.6
2566
1083
8.2
41X-4, 140-150
385.60
--
32.0
569
7.09
7.08
495
16.7
15.3
0.0
5.0
2505
1100
7.9
43X-3, 140-150
403.40
--
32.0
570
7.12
6.12
496
16.3
15.8
0.0
7.2
2345
1080
7.8
45X-3, 135-150
422.65
--
32.0
570
7.10
6.14
497
15.1
16.7
0.2
5.6
2435
1079
7.2
47X-4, 135-150
443.35
--
32.0
573
7.09
5.24
501
14.2
17.6
0.0
11.7
2198
1042
6.7
49X-4, 135-150
462.25
--
32.0
575
7.20
4.24
503
13.6
18.6
0.5
11.1
2206
1010
6.3
52X-4, 135-150
490.75
--
32.0
576
7.33
4.17
503
12.9
20.2
0.6
6.8
2128
1019
5.3
55X-4, 135-150
519.65
--
32.0
579
7.79
0.96
507
10.5
22.1
0.0
4.2
1941
181
4.3
58X-2, 135-150
545.45
--
32.5
583
7.41
1.94
510
9.1
25.2
0.8
4.4
1493
418
3.7
Note: -- = not available. This table is also available in ASCII format.