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Average grain size and mineral composition of the two types of granite.
| Type of granite | Average grain size (mm) | Mineral content (vol%) | ||||
|---|---|---|---|---|---|---|
| Quartz | K-feldspar | Plagioclase | Biotite | Others | ||
| Inada | 2.8 | 33.7 | 32.1 | 30.3 | 3.8 | 0.1 |
| Aji | 0.5 | 29.4 | 26.4 | 37.6 | 6.5 | 0.1 |
