Major element | Maximum value (%) | Minimum value (%) | Average value (%) | Trace element | Maximum value (10−6) | Minimum value (10−6) | Average value (10−6) |
---|---|---|---|---|---|---|---|
SiO2 | 65.72 | 39.00 | 47.30 | Ba | 556.64 | 288.63 | 430.48 |
Al2O3 | 16.42 | 11.04 | 14.33 | Cr | 57.42 | 7.01 | 39.78 |
CaO | 15.66 | 2.50 | 8.59 | Sr | 525.90 | 162.54 | 338.00 |
TFe2O3 | 6.91 | 2.96 | 4.95 | V | 122.00 | 32.00 | 104.30 |
K2O | 2.85 | 1.27 | 1.66 | Zn | 103.51 | 69.15 | 88.67 |
MgO | 2.42 | 0.93 | 1.87 | Zr | 229.79 | 91.13 | 119.24 |
MnO | 0.12 | 0.03 | 0.05 | Co | 14.91 | 5.20 | 12.03 |
Na2O | 5.12 | 2.82 | 3.50 | Ni | 38.75 | 7.11 | 30.62 |
P2O5 | 0.23 | 0.09 | 0.11 | Cu | 79.46 | 9.04 | 28.27 |
TiO2 | 0.96 | 0.40 | 0.61 | Pb | 104.43 | 10.55 | 24.45 |