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 28. Elemental composition <strong>of</strong> samples selected from Core 18Subsample 18-01 18-02 18-03 18-04 18-10 18-16 AverageLab. No. R22013 R22014 R22015 R22016 R22017 R22018Depth Interval (ft) 0.0-0.3 0.3-0.8 0.8-1.1 1.1-1.45 3.2-4.0 8.0-10.0Horizon A A A E B CSiO 2(%) 82.18 83.29 83.82 84.03 71.80 81.54 81.<strong>11</strong>Al 2O 3(%) 7.02 7.04 7.36 7.36 12.70 9.00 8.41Fe 2O 3(%) 1.34 1.32 1.43 1.46 5.09 2.25 2.15K 2O (%) 1.85 1.82 1.89 1.92 1.98 1.69 1.86CaO (%) 0.92 0.75 0.61 0.55 0.84 0.70 0.73MgO (%) 0.28 0.24 0.24 0.24 1.06 0.50 0.43Na 2O (%) 1.23 1.25 1.<strong>26</strong> 1.32 1.17 1.08 1.22TiO 2(%) 0.70 0.71 0.75 0.76 0.73 0.59 0.71P 2O 5(%) 0.13 0.09 0.06 0.05 0.18 0.08 0.10MnO 2(%) 0.07 0.06 0.06 0.07 0.09 0.02 0.06SO 3(%) 0.01 0.01 0.01 0.01 0.02 0.01 0.01Barium 579 560 635 550 1030 480 639Chromium 6 7
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