Acidity Test (PH) | |||||
No | Sample | Litology | Sediment (Roof/Floor) | PH | Result |
1 | Layer 1/floor seam-D | Carbonaceous claystone | Roof | 4.2 | Acid |
2 | Layer 2/roof seam-D | Carbonaceous claystone | Roof | 3.4 | Acid |
3 | Layer 3/roof seam-E | Shale | Floor | 5.4 | Acid |