Group I | Group II | ||
P | Packstone | 1 | < I5% matrix, > 25% rock fragments |
Q | Cirainstone | 2 | > 15<½! matrix, >259t feldspar |
R | Lithic arenite | 3 | Grain supported, contains no mud |
S | Arkosic wacke | 4 | Grain supported, contains mud |
Group I | Group II |
P. Sillimanite | 1. First order |
Q. Quartz | 2. Second order |
R. Muscovite | 3. Greater than third order |
S. Calcite | 4. Third order variegated |