Sample | Fe-shale | Shale | Arkose | Fe-sandstone |
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Ref. code | BB2 | BB3 | BB4 | EDDd | MTR5 | MTR4 | TJC1 | TJC2 | TJC4 | MTFb | MTR1 | TJC3 | TJC5 | BB5 | BB1 | PAAS | UCC |
SiO2 | 30.40 | 24.60 | 59.40 | 65.10 | 62.20 | 55.00 | 56.90 | 61.50 | 62.10 | 70.80 | 84.10 | 67.30 | 77.80 | 79.80 | 76.80 | 62.80 | 66.00 |
TiO2 | 5.39 | 4.49 | 1.35 | 0.30 | 0.91 | 0.94 | 0.96 | 0.75 | 1.21 | 0.62 | 0.12 | 0.39 | 0.19 | 1.07 | 1.07 | 1.00 | 0.50 |
Al2O3 | 25.60 | 21.90 | 18.60 | 16.55 | 17.15 | 24.20 | 16.60 | 14.90 | 19.40 | 15.10 | 11.00 | 13.10 | 11.70 | 8.03 | 13.05 | 18.98 | 15.20 |
Fe2O3 | 22.60 | 33.20 | 4.39 | 2.45 | 5.72 | 4.33 | 7.52 | 3.56 | 2.49 | 1.75 | 0.17 | 2.61 | 0.97 | 6.22 | 3.54 | 6.50 | 4.50 |
MnO | 0.11 | 0.08 | 0.02 | 0.01 | 0.02 | 0.02 | 0.01 | 0.09 | 0.01 | 0.01 | 0.04 | 0.07 | 0.01 | 0.02 | 0.01 | 0.11 | 0.10 |
MgO | 0.37 | 0.19 | 0.42 | 0.22 | 1.46 | 1.20 | 1.58 | 1.87 | 0.93 | 0.81 | 0.06 | 1.24 | 0.10 | 0.06 | 0.09 | 2.20 | 2.20 |
CaO | 0.12 | 0.02 | 0.06 | 0.11 | 0.31 | 0.01 | 0.39 | 1.71 | 0.04 | 0.23 | <0.01 | 1.72 | 0.02 | <0.01 | 0.03 | 1.30 | 4.20 |
Na2O | 0.08 | 0.04 | 0.11 | 1.35 | 0.11 | 0.01 | 0.10 | 0.11 | 0.11 | 0.13 | 0.05 | 0.14 | 0.14 | 0.06 | 0.03 | 1.20 | 3.90 |
K2O | 0.08 | 0.05 | 1.13 | 6.36 | 7.50 | 4.03 | 7.01 | 6.45 | 6.60 | 7.19 | 2.11 | 5.83 | 4.39 | 0.63 | 0.13 | 3.70 | 3.40 |
P2O5 | 0.66 | 0.53 | 0.11 | 0.06 | 0.12 | 0.07 | 0.15 | 0.13 | 0.21 | 0.10 | 0.02 | 0.09 | 0.05 | 0.12 | 0.12 | 0.16 | 0.17 |
LOI | 13.60 | 13.45 | 13.55 | 8.87 | 6.14 | 11.15 | 7.15 | 7.77 | 6.39 | 4.37 | 3.40 | 7.01 | 2.91 | 4.51 | 6.09 | - | - |
Total | 99.01 | 98.55 | 99.14 | 101.38 | 101.64 | 101.96 | 98.37 | 98.84 | 99.49 | 101.11 | 101.07 | 99.50 | 98.28 | 100.52 | 100.96 | 97.77 | 100.10 |
SiO2/ Al2O3 | 1.19 | 1.20 | 3.90 | 3.93 | 3.63 | 2.27 | 3.42 | 4.12 | 3.20 | 4.69 | 7.65 | 5.13 | 6.64 | 9.94 | 5.89 | 3.32 | 4.34 |
K2O/ Na2O | 1.00 | 1.25 | 10.27 | 4.71 | 68.18 | 403.00 | 70.10 | 58.63 | 60.00 | 55.31 | 42.20 | 41.64 | 31.35 | 10.50 | 4.33 | 3.08 | 0.87 |
K2O/ Al2O3 | 0.00 | 0.00 | 0.06 | 0.38 | 0.44 | 0.17 | 0.42 | 0.43 | 0.34 | 0.48 | 0.19 | 0.44 | 0.37 | 0.08 | 0.01 | 0.20 | 0.22 |
Al2O3/ TiO2 | 4.75 | 4.88 | 13.78 | 55.17 | 18.85 | 25.74 | 17.29 | 19.86 | 16.03 | 24.35 | 91.67 | 33.58 | 61.57 | 7.50 | 12.20 | 18.98 | 30.40 |
Fe2O/ K2O | 282.50 | 664.00 | 3.88 | 0.39 | 0.76 | 1.07 | 1.07 | 0.55 | 0.37 | 0.24 | 0.08 | 0.44 | 0.22 | 9.87 | 27.23 | 1.75 | 1.30 |
CIA | 98.92 | 99.50 | 93.47 | 67.91 | 68.41 | 85.66 | 68.88 | 64.31 | 74.19 | 66.67 | 83.52 | 63.01 | 72.00 | 91.98 | 98.56 | 75.30 | 56.93 |
PIA | 99.22 | 99.73 | 99.04 | 87.47 | 95.83 | 99.90 | 95.14 | 82.28 | 98.84 | 95.65 | 99.33 | 79.63 | 97.86 | 99.06 | 99.54 | 85.88 | 59.30 |
ICV | 1.12 | 1.73 | 0.40 | 0.65 | 0.93 | 0.43 | 1.06 | 0.97 | 0.59 | 0.71 | 0.23 | 0.91 | 0.50 | 1.00 | 0.37 | 0.83 | 1.20 |
CIW | 99.22 | 99.73 | 99.09 | 91.89 | 97.61 | 99.92 | 97.13 | 89.11 | 99.23 | 97.67 | 99.46 | 87.57 | 98.65 | 99.14 | 99.54 | 88.32 | 65.24 |