Table 2 Whole-rock and clay mineral analysis results of coal sample.
From: Effects of pre-fracturing fluids on pore-fracture structure and mechanical properties of deep coal
Whole-rock analysis, % | Clay mineral analysis | |||||||
|---|---|---|---|---|---|---|---|---|
Quarz | Calcite | Ammonium mica | Clay minerals | Amorphous | Kaolinite | Chlorite | Illite | Illite-smectite interlayers |
0.7 | 0.4 | 13.4 | 10.2 | 75.3 | 26.9 | 13.4 | 32.7 | 27.0 |
