Cores 11 through 26 by Gary B. Dr - University of Illinois at Urbana ...
Cores 11 through 26 by Gary B. Dr - University of Illinois at Urbana ...
Cores 11 through 26 by Gary B. Dr - University of Illinois at Urbana ...
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Table 33. Elemental composition <strong>of</strong> samples selected from Core 23Subsample 23-01 23-02 23-03 23-04 23-08 23-14 AverageLab. No. R22043 R22044 R22045 R22046 R22047 R22048Depth Interval (ft) 0.0-0.5 0.5-0.9 0.9-1.75 1.75-2.3 5.0-6.0 10.35-<strong>11</strong>.0Horizon A A B A’ C CSiO 2(%) 76.03 73.48 78.15 73.17 74.00 76.80 75.27Al 2O 3(%) 7.90 12.43 9.64 12.46 <strong>11</strong>.39 10.87 10.78Fe 2O 3(%) 2.85 4.59 3.18 5.04 4.94 4.63 4.20K 2O (%) 1.92 1.82 2.06 2.14 2.60 1.50 2.01CaO (%) 1.61 0.30 0.49 0.50 0.65 0.44 0.66MgO (%) 0.84 0.91 0.54 0.95 0.98 0.57 0.80Na 2O (%) 0.91 0.92 0.91 0.80 1.<strong>11</strong> 0.64 0.88TiO 2(%) 0.78 0.81 0.84 0.83 0.80 0.74 0.80P 2O 5(%) 0.13 0.09 0.08 0.09 0.12 0.05 0.09MnO 2(%) 0.13 0.06 0.16 0.08 0.14 0.07 0.10SO 3(%) 0.01 0.01 0.01 0.01 0.01 0.01 0.01Barium 521 5<strong>11</strong> 633 633 618 402 553Chromium 13 10 <strong>26</strong> 68 47 51 36Copper 22 20 24 31 30 22 25Mercury (µg/kg) 30 30 36 33 41 32 34Nickel
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