Table T7.
Interstitial water geochemistry, Site 1115. (Continued
on next page.)
Core,
section,
interval (cm)Depth
(mbsf)pH
Alkalinity
(mM)Salinity
Cl
(T) (mM)
Cl
(IC) (mM)
SO4
(mM)Na
(mM)K
(mM)Mg
(mM)Ca
(mM)Ca/Mg
Li
(µM)NH4
(µM)Sr
(µM)SiO2
(µM)
180-1115A-
1H-1, 23-28
0.23
7.91
3.126
34.5
553
550
28.4
473
11.1
52.0
10.4
0.20
28
0
96
291
1H-3, 145-150
2.95
7.78
3.472
34.5
558
554
28.9
474
12.1
52.4
10.2
0.19
27
0
96
399
1H-4, 115-120
4.15
7.78
3.58
34.5
549
552
27.6
472
12.2
51.8
9.9
0.19
27
0
134
454
180-1115B-
2H-1, 145-150
8.65
7.78
3.894
34
549
552
27.1
479
12.4
51.6
9.4
0.18
27
181
146
471
3H-3, 145-150
21.15
7.70
4.693
35
553
555
26.0
481
12.4
51.6
8.9
0.17
27
332
216
520
4H-1, 145-150
27.65
7.78
4.809
34
554
559
24.8
481
12.2
50.6
8.3
0.16
25
351
243
493
5H-1, 145-150
37.15
7.76
5.096
34
555
561
23.0
480
12.6
49.0
7.7
0.16
25
565
293
528
6H-1, 145-150
46.65
7.86
5.542
34
553
562
22.8
484
12.7
48.9
7.6
0.16
26
685
317
520
7H-1, 145-150
56.15
7.74
5.887
34
554
557
18.5
482
12.3
46.3
6.9
0.15
26
741
328
530
8H-1, 145-150
65.65
7.86
5.959
34
552
559
16.6
481
12.1
44.7
6.5
0.15
25
927
338
540
9H-3, 145-150
78.15
7.81
5.564
33
551
558
14.5
479
12.7
42.3
5.5
0.13
26
1028
296
501
10H-3, 145-150
87.65
7.92
6.096
32
548
557
12.3
467
12.0
40.9
5.5
0.13
24
1174
300
518
11H-1, 145-150
94.15
7.92
5.719
32
548
555
11.0
470
12.2
40.3
5.3
0.13
24
1163
283
547
12H-1, 145-150
103.65
7.85
6.179
32
542
559
9.1
467
11.4
39.1
5.4
0.14
24
1210
267
557
13H-1, 145-150
113.15
7.55
5.874
32
542
558
7.7
468
11.6
38.4
5.2
0.14
23
1326
249
533
14H-1, 145-150
122.65
7.86
5.626
32
544
558
6.8
466
11.3
37.9
5.4
0.14
24
1288
239
444
15H-1, 145-150
132.15
7.88
5.85
32
543
557
5.9
463
11.1
37.3
5.1
0.14
24
1347
229
486
16H-2, 145-150
143.15
7.83
5.232
32
540
556
4.6
459
11.0
36.5
5.2
0.14
24
1386
215
434
17H-1, 145-150
151.15
7.85
5.008
32
542
557
3.7
460
11.0
36.1
5.5
0.15
24
1486
210
432
18H-2, 145-150
162.15
7.79
4.779
31
545
556
2.8
457
11.3
34.6
5.7
0.17
24
1514
209
392
19H-1, 145-150
170.15
7.88
5.142
31
544
553
2.2
452
10.5
34.4
5.5
0.16
24
1391
206
510
20H-1, 145-150
179.65
7.92
5.185
30
538
556
1.5
451
10.5
34.1
5.6
0.16
24
1660
205
543
21H-1, 145-150
189.15
7.9
5.162
30
535
552
0.9
452
10.4
33.1
5.5
0.17
24
1580
198
510
22H-1, 145-150
198.65
7.85
5.176
30
534
553
0.0
451
10.5
32.0
5.4
0.17
24
1610
192
390
23H-1, 145-150
208.15
7.88
5.159
30
538
531
0.0
433
10.4
31.5
5.7
0.18
23
1636
188
510
24X-1, 145-150
217.65
7.85
5.373
30
536
537
1.2
451
10.6
33.4
6.2
0.19
23
1379
183
663
25X-1, 145-150
227.25
7.83
5.815
30
538
527
0.6
433
10.1
31.1
6.2
0.20
25
1665
192
715
26X-1, 115-120
236.55
7.69
5.848
30
528
526
0.7
433
10.3
31.0
6.6
0.21
30
1792
183
767
27X-1, 145-150
246.45
7.92
6.068
30
526
521
0.1
425
9.9
30.7
6.8
0.22
36
1792
185
757
28X-1, 145-150
256.05
7.92
6.385
30
522
526
0.0
424
9.9
31.2
7.8
0.25
39
1749
195
760
29X-1, 145-150
265.75
7.48
6.489
30
523
520
1.0
426
10.1
32.5
7.6
0.24
47
1792
193
893
31X-2, 145-150
286.45
8
5.842
30
523
523
0.7
422
10.4
32.4
7.9
0.24
49
1983
212
720
180-1115C-
2R-1, 144-150
294.24
7.86
6.709
30
530
532
0.1
424
9.6
33.6
9.0
0.27
51
1851
225
751
3R-5, 115-120
309.65
7.58
5.8
30
530
534
0.2
425
9.6
34.1
9.4
0.27
55
1780
234
795
4R-1, 146-151
313.56
7.86
5.863
30
533
534
1.7
427
9.2
35.4
10.0
0.28
52
1773
234
751
5R-1, 120-127
322.90
7.8
5.535
30
528
534
0.5
424
9.2
34.8
10.0
0.29
53
1879
244
773
6R-1, 140-145
332.80
7.73
5.404
30
534
537
0.6
432
9.0
36.7
10.5
0.29
54
1757
256
766
7R-1, 141-146
342.41
7.79
5.003
30
536
543
1.2
430
8.8
35.6
10.6
0.30
52
1784
263
768
8R-1, 79-84
351.39
7.76
3.437
30
539
542
0.0
427
8.9
35.0
10.7
0.31
52
1853
282
610
9R-1, 113-119
361.03
7.76
3.778
30.5
538
546
1.0
429
8.5
37.1
13.0
0.35
51
1857
305
686
10R-1, 145-150
370.95
7.79
3.966
30.5
542
552
0.3
424
8.0
36.9
12.7
0.34
53
1763
343
859
11R-4, 30-41
383.72
7.78
3.226
31
539
555
0.9
426
7.6
37.4
13.2
0.35
47
1684
348
730
12R-3, 130-140
392.80
8.01
1.989
31
544
559
0.0
428
7.7
36.6
13.4
0.37
46
1744
351
588
13R-2, 0-4
399.60
8.03
1.892
31
546
560
0.1
421
6.9
37.1
14.5
0.39
45
1719
361
591
14R-1, 135-144
409.05
8.26
1.342
31
546
563
0.0
422
6.5
37.1
15.2
0.41
46
1617
369
508
15R-2, 140-150
420.20
8.14
1.273
31
548
571
0.2
422
5.5
37.8
17.6
0.47
48
1608
362
135