Oxides % | 40% trachyte | 60% clay | Total |
---|---|---|---|
SiO2 | 24.72 | 31.78 | 56.50 |
Al2O3 | 6.68 | 17.44 | 24.12 |
TiO2 | 0.07 | 0.89 | 0.96 |
Fe2O3 | 1.98 | 2.35 | 4.33 |
CaO | 0.45 | 0.30 | 0.75 |
MgO | 0.12 | 0.12 | 0.24 |
Na2O | 3.19 | 0.04 | 3.23 |
K2O | 1.75 | 0.17 | 1.92 |
SO3 | 0.02 | 0.46 | 0.46 |
ZrO2 | 0.1 | – | 0.10 |
LOI | 0.65 | 6.37 | 7.02 |
Total | 39.73 | 59.92 | 99.63 |