Table 2 Elemental concentrations of the reductive leachates of iron oolites
From: Continental weathering as the source of iron in Jurassic iron oolites from Switzerland
Sample | Ca (wt.%) | Fe (wt.%) | Al (ppm) | Nd (ppm) | Sr (ppm) | Ca/Fe (molar) |
|---|---|---|---|---|---|---|
H1 | 12.9 | 0.30 | 201 | 3.11 | 72.7 | 60 |
H2 | 28.8 | 1.02 | 120 | 7.37 | 476 | 39 |
WG1 | 5.04 | 2.67 | 146 | 1.88 | 55.7 | 2.6 |
WG3 | 15.4 | 1.20 | 109 | 4.53 | 257 | 18 |
EE-P4 | 0.18 | 0.19 | 677 | 2.18 | 13.8 | 1.3 |
EE-P6 | 10.9 | 1.10 | 340 | 3.66 | 460 | 14 |
EE-P7 | 3.52 | 1.08 | 353 | 2.12 | 278 | 4.6 |
EE-P9 | 3.67 | 2.01 | 352 | 3.11 | 124 | 2.5 |
EE-P12 | 15.2 | 1.09 | 484 | 5.20 | 370 | 19 |
EE-P18 | 7.17 | 1.10 | 226 | 3.37 | 220 | 9.0 |
EE-P20 | 9.87 | 1.32 | 515 | 3.91 | 283 | 11 |
EE-P22 | 11.6 | 0.96 | 369 | 4.50 | 350 | 17 |
EE-P23 | 0.95 | 0.17 | 1150 | 1.61 | 21.1 | 7.9 |
EE-P26 | 10.8 | 0.85 | 270 | 5.82 | 216 | 18 |
EE-P28 | 14.0 | 1.60 | 448 | 5.53 | 313 | 12 |
EE-P30 | 14.0 | 0.29 | 649 | 6.02 | 314 | 67 |
EE-P31 | 16.4 | 0.56 | 1264 | 8.44 | 388 | 40 |
EE-P32 | 8.34 | 0.27 | 954 | 3.74 | 203 | 43 |
EE-P33 | 12.0 | 0.28 | 847 | 6.61 | 276 | 61 |