Table 1.
Representative analyses of minerals in the basalt (wt %).
| SiO2 | Al2O3 | TiO2 | MgO | CaO | MnO | FeO | Na2O | K2O | Total | |
|---|---|---|---|---|---|---|---|---|---|---|
| Augite | 50.63 | 3.25 | 1.11 | 14.51 | 20.59 | 0.20 | 8.83 | 0.33 | 0.00 | 99.45 |
| Plagioclase | 58.27 | 25.63 | 0.11 | 0.10 | 8.45 | 0.00 | 0.74 | 6.68 | 0.52 | 100.50 |
| Zeolite | 50.69 | 23.49 | 0.00 | 0.01 | 10.63 | 0.01 | 0.02 | 1.63 | 0.47 | 86.95 |
| Vermiculite | 34.97 | 11.84 | 0.00 | 13.04 | 1.45 | 0.32 | 20.78 | 0.09 | 0.04 | 82.53 |
| Saponite | 41.10 | 11.54 | 0.00 | 17.65 | 0.71 | 0.25 | 13.13 | 0.09 | 0.04 | 84.51 |