Table T8.
Interstitial water geochemistry, Site 1131.
Core,
section,
interval (cm)Depth
(mbsf)pH
ppH
Alkalinity
(mM)
Salinity
Cl-
(mM)SO42-
(mM)Na+
(mM)K+
(mM)Mg2+
(mM)Ca2+
(mM)Sr2+
(µM)Li+
(µM)H4SiO40
(µM)
NH4+
(mM)
Fe2+
(µM)
182-1131A-
1H-1, 145-150
1.45
7.52
7.80
4.27
35.0
565
29.7
469
11.3
56.1
11.9
90
38
321
0.4
3
2H-3, 145-150
7.85
7.39
7.60
3.15
35.0
572
29.1
470
11.4
55.6
10.8
90
38
171
0.4
6
3H-3, 145-150
17.35
7.12
7.08
10.62
36.0
600
29.2
489
11.5
54.1
9.3
133
43
323
2.4
3
4H-3, 140-150
26.80
6.98
6.95
25.87
38.0
619
29.9
523
12.1
46.2
6.5
221
54
523
5.7
4
5H-3, 140-150
36.30
6.83
6.86
33.46
40.0
637
32.1
563
12.7
39.4
5.3
265
62
768
8.3
6
6H-3, 140-150
45.80
6.74
6.80
41.02
42.0
666
34.0
618
13.2
34.3
4.9
269
65
758
11.0
5
7H-3, 140-150
55.30
6.78
6.70
62.68
44.0
694
37.5
677
14.5
21.4
4.1
247
71
725
14.3
0
8X-3, 140-150
64.80
6.84
6.75
78.17
47.0
708
41.1
733
14.6
16.8
2.8
212
72
763
15.0
0
9X-3, 140-150
72.00
6.95
6.76
89.78
48.0
722
40.7
763
15.0
14.0
2.8
216
72
775
17.0
0
10X-3, 140-150
81.00
6.81
6.76
101.17
50.0
752
40.8
794
15.4
12.8
2.5
207
65
861
18.0
0
11X-3, 140-150
89.80
6.76
6.74
104.02
52.0
785
40.3
824
15.7
11.9
2.5
212
83
757
20.9
0
12X-3, 140-150
99.40
6.79
6.73
111.46
54.0
819
39.6
858
16.0
11.2
2.4
216
70
774
20.6
0
13X-3, 140-150
108.90
6.80
6.73
122.09
56.0
852
38.5
902
16.6
10.1
2.3
252
75
789
20.9
0
14X-3, 140-150
118.40
6.73
6.71
126.37
58.0
906
36.8
928
16.8
9.8
2.2
238
72
809
22.6
0
16X-3, 140-150
136.30
6.77
NM
137.05
62.0
954
37.0
979
17.5
11.4
2.7
151
73
667
25.1
0
18X-3, 140-150
155.00
6.71
NM
134.88
67.0
1,011
31.5
1,019
18.1
10.2
2.3
278
81
822
25.0
0
20X-3, 140-150
173.70
6.80
NM
135.02
72.0
1,058
28.8
1,083
20.7
11.2
2.4
260
99
879
27.4
0
22X-3, 140-150
192.60
6.65
NM
130.16
69.0
1,086
23.7
1,109
19.8
10.7
2.5
382
95
870
26.7
0
24X-3, 140-150
211.00
6.68
NM
118.66
70.0
1,143
20.4
1,120
19.9
12.4
2.7
387
114
912
27.0
0
26X-3, 140-150
229.40
6.51
NM
116.47
72.0
1,135
17.6
1,152
20.2
13.9
2.9
433
135
738
26.5
0
28X-3, 140-150
247.50
6.47
NM
95.86
70.5
1,207
15.9
1,118
19.7
16.0
3.6
602
157
838
25.8
0
31X-3, 140-150
275.80
6.39
NM
95.47
76.0
1,246
14.7
1,216
21.3
17.4
3.8
832
209
1,000
28.6
0
33X-3, 140-150
294.80
6.33
NM
77.84
76.0
1,295
17.7
1,199
21.1
24.1
5.2
1107
257
918
24.9
0
35X-2, 140-150
312.40
6.18
NM
77.78
80.0
1,281
20.8
1,224
21.3
31.1
7.0
902
239
788
24.9
0
37X-2, 140-150
331.60
6.20
NM
59.20
78.0
1,383
23.8
1,193
21.1
39.3
8.8
797
234
799
23.9
0
39X-1, 140-150
349.40
6.23
NM
63.23
85.0
1,331
25.5
1,282
22.4
44.0
9.0
867
327
873
23.3
0
41X-3, 140-150
371.60
6.32
NM
49.82
83.0
1,437
28.9
1,252
22.4
51.0
11.8
650
259
1,001
22.8
3
43X-2, 140-150
389.30
6.05
NM
55.15
86.0
1,449
33.2
1,317
23.9
59.6
16.4
607
271
1,137
20.5
0
45X-3, 140-150
409.90
5.97
NM
52.19
88.0
1,513
37.0
1,291
23.2
69.4
19.7
540
262
986
21.2
0
47X-3, 140-150
429.10
5.95
NM
52.17
92.0
1,531
39.3
1,358
24.5
73.8
24.8
521
306
1,045
21.4
0
49X-3, 140-150
448.40
5.91
NM
48.68
94.0
1,527
42.7
1,352
24.9
82.4
31.1
484
332
1,054
18.9
0
51X-3, 140-150
467.40
5.93
NM
36.73
93.0
1,574
44.8
1,344
24.5
87.5
30.7
489
338
993
17.2
0
53X-3, 140-150
486.90
5.90
NM
31.17
94.0
1,499
47.7
1,366
24.7
92.5
34.5
484
336
1,018
15.4
2
55X-2, 140-150
504.60
5.93
NM
29.32
92.0
0
48.1
469
11.3
56.1
36.8
493
306
1,018
11.7
3
Note: NM = not measured.