Table 1 Mass fraction of whole rock minerals and the clay mineral mass percentage/%.
Quartz | Potash feldspar | Plagioclase | Calcite | Dolomite | Claymineral |
|---|---|---|---|---|---|
36 | 12 | 41 | 2 | 3 | 6 |
35 | 8 | 49 | 1 | 3 | 4 |
44 | 7 | 46 | 1 | – | 2 |
Kaolinite | Chlorite | Illite | Illite-montmorillonitemixed-layer | Interlayingratio | |
|---|---|---|---|---|---|
0 | 35 | 11 | 54 | 30 | |
0 | 69 | 13 | 18 | 20 | |
0 | 75 | 15 | 10 | 20 | |
