Table T20. Interstitial water constituents, Hole U1409A.
Core, section, interval (cm) |
Depth (mbsf) |
pH |
Alkalinity (mM) |
Ammonium (µM) |
Salinity |
Cl– (mM) |
Na+ (mM) |
SO42– (mM) |
HPO4– (µM) |
B (µM) |
Mn2+ (µM) |
Fe2+ (µM) |
Ca2+ (mM) |
Mg2+ (mM) |
K+ (mM) |
Mg/Ca |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
342-U1409A- | ||||||||||||||||
2H-6, 135–140 | 9.95 | 7.599 | 3.737 | 29 | 37 | ND | 494.204 | ND | BDL | 375.740 | 53.607 | BDL | 11.686 | 53.607 | 15.259 | 4.6 |
3H-6, 145–150 | 19.55 | 7.441 | 3.686 | 22 | 37 | 589.681 | 484.273 | 28.124 | BDL | 465.037 | 52.517 | BDL | 11.504 | 52.517 | 15.483 | 4.6 |
4H-6, 145–150 | 29.05 | 7.438 | 3.467 | 36 | 37 | 598.458 | 481.040 | 28.697 | BDL | 502.896 | 52.660 | BDL | 11.804 | 52.660 | 13.118 | 4.5 |
5H-5, 145–150 | 37.05 | 7.379 | 2.965 | 29 | 37 | 595.309 | 487.071 | 29.590 | BDL | 437.119 | 51.921 | BDL | 11.904 | 51.921 | 13.924 | 4.4 |
6H-6, 145–150 | 48.05 | 7.369 | 3.050 | 12 | 37 | 598.650 | 484.472 | 29.066 | BDL | 529.348 | 51.308 | 4.719 | 11.976 | 51.308 | 14.062 | 4.3 |
7H-6, 145–150 | 57.57 | 7.304 | 3.140 | 12 | 37 | 583.852 | 483.337 | 28.260 | BDL | 537.956 | 51.369 | 0.21 | 12.483 | 51.369 | 13.394 | 4.1 |
8H-6, 145–150 | 67.05 | 7.306 | 3.175 | 34 | 37 | 594.935 | 488.762 | 28.550 | BDL | 455.839 | 51.197 | BDL | 12.793 | 51.197 | 11.684 | 4.0 |
9H-6, 145–150 | 76.56 | 7.268 | 3.315 | 12 | 38 | 608.114 | 495.797 | 27.934 | BDL | 468.141 | 51.950 | BDL | 13.433 | 51.950 | 13.947 | 3.9 |
10H-6, 136–141 | 85.96 | 7.280 | 3.173 | 21 | 37 | 591.997 | 482.219 | 27.421 | BDL | 457.877 | 50.404 | BDL | 13.416 | 50.404 | 11.618 | 3.8 |
11H-6, 145–150 | 95.55 | 7.276 | 3.354 | 42 | 37 | 592.634 | 483.247 | 26.660 | BDL | 396.860 | 51.105 | BDL | 13.994 | 51.105 | 11.439 | 3.7 |
12H-6, 145–150 | 105.05 | 7.256 | 3.746 | 12 | 38 | 597.337 | 488.888 | 27.583 | BDL | 323.788 | 50.837 | BDL | 14.539 | 50.837 | 11.013 | 3.5 |
13H-6, 125–130 | 114.39 | 7.121 | 3.716 | 27 | 38 | 606.582 | 499.049 | 27.212 | BDL | 347.003 | 51.609 | BDL | 14.968 | 51.609 | 11.749 | 3.4 |
14H-6, 145–150 | 124.05 | 7.235 | 3.863 | 18 | 38 | 616.541 | 499.918 | 27.285 | BDL | 313.657 | 51.427 | BDL | 15.456 | 51.427 | 10.657 | 3.3 |
17X-2, 145–150 | 129.95 | 7.206 | 3.864 | 59 | 37 | 607.619 | 496.434 | 25.218 | BDL | 391.985 | 44.715 | BDL | 18.139 | 44.715 | 11.152 | 2.5 |
18X-4, 145–150 | 137.55 | 7.241 | 3.988 | 31 | 37 | 608.612 | 495.954 | 24.697 | BDL | 338.700 | 43.508 | BDL | 18.927 | 43.508 | 10.855 | 2.3 |
20X-6, 132–142 | 159.62 | 7.122 | 4.010 | 72 | 38 | 599.269 | 498.343 | 24.889 | BDL | 353.230 | 41.273 | BDL | 19.713 | 41.273 | 9.260 | 2.1 |
22X-6, 101–111 | 178.51 | 7.066 | 3.647 | 25 | 37 | 602.706 | 492.929 | 24.004 | BDL | 350.755 | 40.365 | BDL | 19.925 | 40.365 | 9.517 | 2.0 |
23X-5, 142–150 | 187.02 | 7.112 | 3.728 | 63 | 37 | 600.406 | 496.655 | 23.423 | BDL | 365.209 | 40.040 | BDL | 20.217 | 40.040 | 8.603 | 2.0 |
24X-4, 140–150 | 195.10 | 6.925 | 4.093 | 38 | 37 | 608.824 | 505.314 | 22.932 | BDL | 363.800 | 40.033 | BDL | 20.521 | 40.033 | 8.743 | 2.0 |
BDL = below detection limit (HPO4– = 0.2 µM, Fe2+ = 0.6 µM), calculated as two times the standard deviation of multiple measures of a blank. ND = not detected.
Previous | Close | Next | Top of page