Table
T8. Interstitial water geochemistry, Site 1126.
Core,
section,
interval (cm)Depth
(mbsf)pH
ppH
Alkalinity
(mM)Salinity
Cl-
(mM)Cl-
(lC)Na+
(mM)K+
(mM)Mg2+
(mM)
Ca2+
(mM)H4SiO40
(µM)
SO42-
(mM)
Sr2+
(µM)Li+
(µM)
SSW
0
2.4
575
539
521
10.8
57.4
11.7
30.3
93
33
182-1126A-
1H-2,
145-150
2.95
7.11
7.66
4.05
36.0
577
543
528
11.1
55.9
10.7
544
28.4
113
33
182-1126B-
1H-3,
145-150
4.45
7.35
7.56
4.02
35.5
581
554
520
11.2
53.6
11.5
544
27.9
109
42
182-1126A-
1H-4,
145-150
5.95
7.58
7.66
4.25
36.0
594
531
532
11.2
57.1
11.5
516
29.3
111
35
182-1126B-
2H-2,
140-150
9.40
7.08
7.51
3.55
36.7
617
576
559
12.5
58.5
11.1
561
29.4
128
34
2H-4,
140-150
12.40
7.10
7.51
3.72
40.0
648
603
582
12.6
61.1
11.8
571
30.7
126
35
3H-2,
140-150
18.90
6.89
7.19
3.40
50.0
813
766
728
14.5
79.6
16.7
584
42.5
237
39
3H-4,
140-150
21.90
6.89
7.13
4.98
56.0
909
864
815
15.9
89.6
19.7
580
48.8
277
43
4H-2,
140-150
28.40
6.95
6.98
5.10
68.0
1078
1025
945
17.3
103.3
25.7
569
58.6
302
51
4H-4,
140-150
31.45
6.82
6.81
4.98
72.0
1145
1097
1007
18.4
107.2
27.5
590
62.0
295
55
5H-2,
140-150
37.90
6.77
6.72
4.37
81.0
1285
1230
1132
22.0
112.6
32.4
596
64.1
267
59
5H-4,
140-150
40.90
6.84
6.75
4.40
84.0
1341
1303
1187
22.1
116.3
39.1
628
67.0
266
62
6H-4,
140-150
50.40
6.79
6.76
3.34
92.0
1478
1445
1302
24.5
122.0
40.4
575
67.7
217
66
7H-4,
140-150
59.90
6.50
6.92
3.30
96.0
1570
1553
1391
28.0
125.6
43.8
434
68.5
280
74
8H-4,
140-150
69.40
6.58
6.90
2.66
100.0
1630
1630
1454
29.0
127.2
45.3
398
70.1
218
72
10H-2,
140-150
85.40
6.75
6.91
2.46
100.0
1652
1600
1431
32.2
124.7
45.1
565
65.2
198
71
14H-3,
140-150
113.90
6.81
7.00
2.40
105.0
1734
1714
1524
33.3
130.2
48.1
644
67.6
198
67
17H-4,
140-150
134.70
6.80
7.10
3.41
106.0
1744
1751
1543
31.2
130.9
49.7
659
68.5
193
73
19H-4,
140-150
153.70
7.06
7.35
2.30
106.0
1731
1738
1528
31.1
128.9
48.2
723
68.0
198
52
24X-1,
117-127
187.67
7.18
7.22
1.92
96.0
1586
1594
1419
28.9
120.9
43.0
615
63.4
200
50
182-1126D-
8R-2,
140-150
216.40
7.15
1.66
96
1580
1512
1365
26.7
111.3
37.9
59.1
339
90
182-1126B-
27X-4,
140-150
221.20
7.07
7.24
2.42
102.5
1685
1689
1491
30.2
126.2
46.8
788
66.0
211
55
29X-1,
140-150
235.90
7.02
7.18
1.95
102.0
1690
1718
1537
33.7
127.3
47.3
758
67.6
204
34
182-1126D-
22R-1,
0-10
349.50
6.96
1.83
100
1616
1572
1409
26.9
115.2
43.5
62.4
269
119
24R-1,
0-10
367.40
7.24
1.02
102
1697
1647
1480
27.9
118.0
45.6
64.5
259
123
26R-1,
0-10
386.60
6.71
92
1510
1464
1315
25.0
107.8
42.5
58.2
238
107
28R-2,
140-150
408.74
7.42
2.97
97
1579
1554
1410
27.4
110.7
46.2
62.4
259
114
Note: SSW = surface seawater.