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Table T20. Composition of interstitial waters, Site U1351. (See table notes.)

Core, section,
interval (cm) 		Depth
CSF-A (m) 		Spectrophotometry data ICP-AES data Sr/Ca*
NH4+
(mM) 		HPO42–
(µM)		 HSiO4
(µM) 		B
(mM) 		Sr2+
(mM) 		Ba
(µM) 		Si
(µM) 		Li+
(µM)
317-U1351A-
1H-1, 110 1.10 0.0 1.90 139 0.52 0.090 15.80 268 29 0.010
2H-1, 110 3.80 0.0 1.30 314 0.56 0.110 19.70 387 31 0.010
2H-3, 110 6.80 0.0 4.50 688 0.71 0.320 23.50 642 34 0.040
2H-5, 130 10.00 0.0 8.50 818 0.93 0.510 21.20 756 36 0.070
3H-1, 110 13.30 1.7 8.60 671 1.06 0.600 6.60 606 35 0.100
3H-3, 110 16.30 2.2 3.40 625 1.23 0.670 2.70 625 37 0.130
4H-1, 110 19.30 2.2 1.50 600 1.38 0.770 3.20 626 39 0.110
4H-3, 110 22.30 2.4 2.30 594 1.41 0.790 3.20 568 38 0.090
4H-5, 140 24.74 2.6 2.10 427 1.58 0.870 3.10 602 39 0.090
5H-1, 110 26.20 2.6 2.20 592 1.58 0.860 3.20 586 39 0.090
5H-2, 80 27.40 2.8 1.10 524 1.62 0.910 5.10 576 40 0.090
317-U1351B-
8H-3, 130 52.00 2.9 0.60 705 1.80 0.910 5.40 697 33 0.070
9H-2, 130 60.10 3.0 0.30 740 1.87 0.930 7.00 742 32 0.070
11H-1, 140 71.10 2.7 0.30 736 1.99 0.920 8.10 723 29 0.070
11H-2, 140 72.60 2.9 0.30 598 1.94 0.920 5.90 687 30 0.070
11H-3, 140 74.10 2.8 0.30 620 1.96 0.910 7.10 625 29 0.070
11H-4, 107 75.27 2.9 0.20 456 1.91 0.860 10.10 595 28 0.060
14X-1, 140 96.10 2.8 0.20 403 2.14 0.870 5.90 528 32 0.050
16X-3, 130 117.20 2.7 0.10 451 2.44 0.920 7.30 581 32 0.050
18X-1, 140 133.40 2.8 0.30 402 2.64 0.960 12.10 580 36 0.050
19X-2, 140 144.50 2.9 0.00 411 2.47 0.910 6.30 507 39 0.050
20X-2, 140 154.10 2.8 0.00 188 2.43 0.860 4.70 385 43 0.050
21X-3, 130 165.10 2.8 0.00 231 2.38 0.840 5.50 423 45 0.050
22X-2, 140 173.30 3.1 0.10 311 2.46 0.840 4.90 505 45 0.050
25X-1, 130 200.50 2.8 0.10 206 2.65 0.810 5.30 390 53 0.050
27X-2, 140 221.30 3.0 0.00 222 3.54 0.970 3.90 407 79 0.030
28X-2, 140 230.90 3.1 0.00 233 4.17 1.030 4.00 423 96 0.030
29X-3, 140 241.90 2.8 0.00 258 4.67 1.100 3.80 395 117 0.030
30X-3, 140 251.50 3.0 0.20 339 4.44 1.060 5.70 398 129 0.030
31X-3, 125 260.95 2.8 0.00 373 4.53 1.110 5.10 477 152 0.030
32X-2, 135 269.15 2.9 0.00 320 4.55 1.080 5.30 407 156 0.030
36X-2, 125 307.45 2.7 0.00 325 3.66 1.190 5.00 400 223 0.030
37X-1, 135 315.25 2.9 0.00 278 4.56 1.140 5.50 475 199 0.030
39X-2, 135 335.95 2.7 0.00 276 4.99 1.260 5.60 479 227 0.030
40X-1, 135 344.05 ND 0.00 280 4.20 1.160 4.80 408 209 0.030
44X-1, 116 382.26 ND 0.00 226 4.18 1.160 5.40 460 213 0.030
47X-1, 85 410.65 ND 0.00 243 3.81 1.260 6.50 435 233 0.030
64X-1, 135 554.75 ND 0.00 242 2.43 0.920 6.70 577 30 0.030
72X-1, 135 621.95 ND 0.00 264 3.83 1.480 7.10 497 172 0.040
88X-1, 135 756.25 ND 0.00 254 3.62 1.960 0.60 439 149 0.060
89X-1, 135 765.85 ND 0.00 301 4.22 2.050 1.20 497 137 0.060
92X-1, 125 794.55 ND 0.00 359 4.50 2.050 1.40 556 136 0.060
93X-3, 135 807.35 ND 0.00 355 4.47 2.140 2.40 548 147 0.060
97X-2, 125 844.15 ND 0.00 367 3.60 1.850 3.00 532 160 0.060
100X-3, 135 874.65 ND 0.00 259 3.72 1.850 5.50 493 164 0.050
104X-2, 135 911.65 ND 0.00 443 3.67 1.800 6.10 523 183 0.040
106X-2, 125 930.75 ND 0.00 325 3.40 1.630 4.50 533 204 0.040
109X-1, 135 958.15 ND 0.00 381 3.30 1.570 5.40 544 210 0.040
112X-3, 125 989.75 ND 0.00 538 3.89 1.580 2.30 645 204 0.030

Notes: * = Ca data from ion chromatography (see Table T19). ICP-AES = inductively coupled plasma–atomic emission spectroscopy. ND = not determined.

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