Group I | Group II | ||
P | Syringothyris Limestone | 1 | Permian |
Q | Karai Shale | 2 | Jurassic |
R | Chari | 3 | Carboniferous |
S | Barren Measures | 4 | Cretaceous |
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 |