MgO | 2.02 | 3.96 | 1.92 | 2.37 | 2.8 | 3.08 | 2.56 | 1.79 | 2.23 | 3.55 | 2.02 |
K2O | 1.67 | 1.89 | 1.56 | 1.63 | 1.8 | 2.1 | 1.71 | 1.63 | 1.65 | 1.73 | 1.74 |
Na2O | 1.29 | 2.04 | 1.23 | 1.45 | 2.01 | 2.07 | 1.61 | 1.46 | 1.2 | 1.62 | 1.75 |
TiO2 | 0.38 | 0.69 | 0.38 | 0.62 | 0.25 | 0.54 | 0.36 | 0.34 | 0.38 | 0.71 | 0.46 |
MnO | 0.601 | 0.069 | 0.699 | 0.24 | 0.518 | 0.059 | 0.494 | 0.663 | 0.61 | 0.153 | 0.41 |
P2O5 | 0.15 | 0.144 | 0.137 | 0.105 | 0.088 | 0.234 | 0.074 | 0.121 | 0.16 | 0.181 | 0.139 |
LOI | 11.9 | 4.02 | 13.09 | 6.82 | 8.17 | 3.52 | 8.56 | 12.49 | 11.74 | 14.53 | 9.48 |
Total | 99.69 | 99.17 | 98.36 | 98.35 | 98.07 | 98.18 | 98.36 | 101.08 | 98.87 | 102.21 | 99.23 |
CIA | 32.05 | 72.08 | 30.52 | 44.91 | 42.39 | 71.16 | 33.97 | 32.12 | 32.52 | 56.92 | 42.08 |
CIW | 34.08 | 80.12 | 32.36 | 48.72 | 46.26 | 80.90 | 36.63 | 34.26 | 34.45 | 63.15 | 45.49 |
PIW | 26.12 | 62.05 | 24.84 | 37.08 | 34.04 | 59.12 | 26.71 | 25.89 | 26.91 | 47.07 | 34.60 |
Major Oxide Ratio |
| ||||||||||
Fe2O3 + MgO | 4.38 | 9.94 | 4.1 | 6.21 | 5.24 | 7.05 | 5.51 | 3.89 | 5 | 7.7 | |
Al2O3/SiO2 | 0.16 | 0.2 | 0.15 | 0.14 | 0.14 | 0.17 | 0.13 | 0.14 | 0.18 | 0.16 | |
K2O/Na2O | 1.29 | 0.92 | 1.26 | 1.12 | 0.89 | 1.01 | 1.06 | 0.11 | 1.37 | 1.06 | |
Al2O3/(CaO + Na2O) | 0.51 | 4.02 | 0.47 | 0.95 | 0.86 | 4.23 | 0.57 | 0.52 | 0.52 | 1.71 | |
log (Na2O/K2O) | −0.112 | 0.033 | −0.103 | −0.05 | 0.047 | −0.0063 | −0.026 | −0.047 | −0.138 | −0.028 | |
log(Fe2O3/K2O) | 0.15 | 0.5 | 0.145 | 0.372 | 0.132 | 0.276 | 0.236 | 0.11 | 0.224 | 0.38 | |
log(SiO2/Al2O3) | 0.778 | 0.683 | 0.769 | 0.832 | 0.833 | 0.747 | 0.873 | 0.834 | 0.731 | 0.788 | |
Al2O3/Na2O | 6.99 | 6.65 | 6.81 | 6.44 | 4.54 | 5.99 | 4.96 | 5.75 | 7.97 | 6.16 | |
TiO2/Al2O3 | 0.04 | 0.05 | 0.04 | 0.06 | 0.02 | 0.04 | 0.04 | 0.04 | 0.03 | 0.07 | |
MnO/Fe2O3 | 0.25 | 0.01 | 0.32 | 0.06 | 0.21 | 0.01 | 0.16 | 0.31 | 0.22 | 0.03 | |
Al2O3 + K2O + Na2O | 11.98 | 17.51 | 11.17 | 12.43 | 12.95 | 16.58 | 11.32 | 11.49 | 12.42 | 13.34 | |
SiO2/Al2O3 | 6 | 4.82 | 6.26 | 6.79 | 6.8 | 5.58 | 7.47 | 6.83 | 5.38 | 6.14 |