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Table T19. Interstitial water constituents, Hole U1406A.

Core, section,
interval (cm)
Depth
(mbsf)
pH Alkalinity
(mM)
NH4
(?M)
Salinity Cl
(mM)
Na+
(mM)
SO42– (mM) HPO4 (?M) Mn2+
(?M)
Fe2+
(?M)
Ca2+
(mM)
Mg2+
(mM)
Sr2+
(?M)
K+
(mM)
Sr/Ca Mg/Ca
342-U1406A-
1H-4, 95–100 5.45 7.53 2.73 0 37 545.9 465.1 26.2 BDL BDL BDL 10.8 52.2 78.0 12.0 7.2 4.8
2H-6, 145–150 15.15 7.49 3.38 0 37 539.3 477.1 27.3 BDL BDL BDL 11.7 53.1 81.8 12.1 7.0 4.5
3H-6, 145–150 24.53 7.34 3.34 0 37 550.4 480.3 27.0 BDL 2.3 BDL 12.3 52.8 84.6 12.6 6.9 4.3
4H-6, 145–150 34.15 7.44 3.30 0 37 542.9 480.7 25.6 BDL 3.4 0.1 12.8 52.2 87.0 13.0 6.8 4.1
5H-6, 145–150 43.65 7.36 3.53 0 37 546.8 478.1 28.5 BDL 5.2 0.1 13.3 51.6 90.1 13.5 6.8 3.9
6H-6, 121–126 52.91 7.32 3.64 0 38 552.5 478.1 27.0 BDL 6.7 0.2 13.9 51.2 93.1 17.0 6.7 3.7
7H-6, 145–150 62.65 7.16 3.99 0 37 555.1 476.1 27.3 BDL 8.4 0.2 14.3 50.4 95.6 14.4 6.7 3.5
8H-6, 122–127 71.92 7.18 4.29 0 37 546.6 480.8 26.2 BDL 9.7 0.9 15.3 50.9 98.9 16.6 6.5 3.3
9H-6, 148–153 81.71 7.22 4.54 0 37 562.8 485.3 25.7 BDL 10.6 0.7 15.8 50.9 102.4 16.4 6.5 3.2
10H-6, 115–120 90.85 7.28 4.54 3 37 553.9 477.3 26.0 BDL 9.8 0.5 15.8 49.7 105.4 10.0 6.7 3.1
11H-6, 116–121 100.37 7.19 4.85 2 37 559.2 489.6 28.1 BDL 11.5 1.1 16.6 51.1 106.0 10.4 6.4 3.1
12H-6, 116–121 109.86 7.23 4.62 2 37 535.4 472.3 23.9 BDL 11.9 0.4 16.6 48.9 110.1 14.6 6.6 3.0
13H-6, 96–101 119.17 7.18 4.79 4 37 552.9 479.3 24.5 BDL 12.8 0.9 17.2 49.2 111.9 11.4 6.5 2.9
14H-4, 106–111 125.76 7.00 5.00 6 37 534.7 469.1 24.4 BDL 13.0 1.4 17.1 48.2 115.4 11.0 6.7 2.8
15H-6, 145–150 138.72 7.14 4.95 5 37 550.1 475.6 25.1 BDL 13.8 0.9 17.6 48.3 117.0 10.5 6.6 2.7
16H-5, 145–150 146.65 7.14 5.06 6 37 557.3 477.0 25.1 BDL 13.3 0.5 18.2 49.8 120.5 12.9 6.6 2.7
17H-5, 140–150 155.50 7.10 5.19 5 37 549.0 470.8 25.9 BDL 15.1 1.3 18.0 48.5 120.8 13.1 6.7 2.7
18H-4, 140–145 163.04 7.01 5.57 8 37 560.9 478.2 24.6 BDL 16.5 2.2 18.2 48.5 120.8 13.4 6.6 2.7
19H-5, 140–150 172.10 7.29 5.55 6 37 546.9 468.2 23.8 BDL 16.2 8.3 18.0 47.8 122.2 12.3 6.8 2.7
20H-5, 121–131 180.82 6.99 5.19 5 37 537.1 460.7 22.7 BDL 8.6 0.5 18.4 49.6 125.2 10.3 6.8 2.7
23H-5, 140–150 206.70 7.07 5.25 3 37 525.3 458.4 21.7 BDL 7.1 0.7 17.1 45.8 130.0 9.9 7.6 2.7
26X-2, 140–150 220.60 7.24 4.78 3 37 531.1 462.4 22.2 BDL 5.2 0.2 16.8 45.4 124.9 10.5 7.4 2.7
27X-6, 112–122 231.42 7.15 4.29 2 36 519.7 458.6 21.6 BDL 4.2 0.7 16.9 46.4 126.2 9.0 7.4 2.7
28X-6, 116–126 241.06 7.21 4.33 0 36 518.0 456.6 21.3 BDL 2.7 0.0 16.9 46.9 125.7 9.9 7.4 2.8
29X-1, 140–150 243.30 6.96 4.95 2 37 524.4 466.8 21.9 BDL 2.5 0.2 17.4 47.1 122.4 11.5 7.0 2.7
30X-1, 140–150 252.90 7.15 4.63 0 37 528.6 470.3 22.1 BDL BDL 0.2 16.8 47.0 118.1 12.1 7.0 2.8
31X-1, 140–150 257.20 7.25 4.36 0 37 531.1 469.1 21.8 BDL BDL BDL 16.6 46.9 ND 12.7 0.0 2.8
32X-3, 105–115 265.05 7.25 4.33 0 37 525.4 471.7 22.2 BDL BDL BDL 16.6 47.7 112.7 11.4 6.8 2.9
33X-5, 133–143 277.71 7.22 3.99 2 37 532.0 472.3 22.7 BDL BDL BDL 16.0 48.2 106.9 12.8 6.7 3.0
34X-1, 107–117 279.67 7.22 3.85 2 37 537.7 480.5 21.1 BDL 0.4 BDL 16.1 49.0 104.5 13.5 6.5 3.0

BDL = below detection limit (HPO4 = 0.2 μM, Mn2+ = 0.1 μM, Fe2+ = 0.6 μM), calculated as two times the standard deviation of multiple measures of a blank. ND = not detected.

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