| Horizon | Well depth | Mineral mass fraction 10−2 | Clay mineral mass fraction | ||||||
| Total clay | Quartz | Plagioclase | Calcite | Illite | Imon mixed layer | Kaolinite | Chlorite | ||
| Triassic | 739.31 | 9.8 | 24.8 | 31.3 | 34.1 | 33.80 | 19.60 | 20.00 | 26.60 |
| 739.47 | 7.6 | 17.9 | 10.9 | 63.6 | 38.20 | 10.00 | 25.90 | 25.90 | |