Table 2. Comparison between the initial weight [I.W.] or XRD results and the results of the infrared [IR] prediction, respectively. The results of the IR prediction are given as mean ± standard deviation.
| Sample | [wt%] | Quartz | Illite | Montmorillonite/Smectite | Kaolinite | Albite | Orthoclase | Calcite | Dolomite |
|---|---|---|---|---|---|---|---|---|---|
| Val.-1 | IR | 51.8 ± 2.6 | 25.4 ± 0.8 | 2.4 ± 0.3 | 12.2 ± 0.9 | 7.4 ± 0.9 | 2.3 ± 1.1 | 0.7 ± 0.2 | 0.0 ± 0.6 |
| I.W. | 55.5 | 24.4 | 0.0 | 14.0 | 6.1 | 0.0 | 0.0 | 0.0 | |
| Val.-2 | IR | 25.0 ± 1.3 | 0 ± 0.8 | 54.7 ± 0.6 | 12.0 ± 1.0 | 10.9 ± 0.6 | 0.3 ± 1.0 | 0.0 ± 0.2 | 0.0 ± 1.8 |
| I.W. | 28.2 | 0.8 | 47.9 | 10.6 | 11.5 | 0.0 | 0.0 | 0.0 | |
| Val.-3 | IR | 44.2 ± 2.5 | 37.6 ± 0.2 | 6.4 ± 0.5 | 1.0 ± 0.6 | 6.7 ± 0.2 | 0.4 ± 0.5 | 4.8 ± 0.3 | 0.0 ± 1.7 |
| I.W. | 49.0 | 36.0 | 2.8 | 0.0 | 7.1 | 0.0 | 4.5 | 0.1 | |
| Val.-4 | IR | 36.9 ± 0.5 | 49.7 ± 1.3 | 4.3 ± 0.4 | 0.2 ± 0.4 | 2.8 ± 0.2 | 4.8 ± 1.5 | 0.7 ± 0.2 | 0.4 ± 0.3 |
| I.W. | 42.2 | 51.7 | 0.0 | 0.0 | 2.7 | 3.4 | 0.0 | 0.0 | |
| Val.-5 | IR | 28.7 ± 0.3 | 35.7 ± 0.7 | 10.1 ± 1.2 | 2.6 ± 0.2 | 14.7 ± 0.2 | 3.6 ± 1.0 | 0.1 ± 0.1 | 4.1 ± 0.1 |
| I.W. | 28.8 | 32.6 | 8.9 | 2.4 | 16.5 | 5.4 | 0.2 | 4.9 | |
| Val.-6 | IR | 32.1 ± 0.5 | 0.0 ± 0.5 | 22.9 ± 0.7 | 6.6 ± 0.4 | 1.8 ± 0.6 | 0.1 ± 1.0 | 39.8 ± 0.8 | 0.0 ± 0.9 |
| I.W. | 26.0 | 0.4 | 26.7 | 4.8 | 1.5 | 0.0 | 35.6 | 0.8 | |
| Val.-7 | IR | 37.7 ± 0.7 | 10.5 ± 0.7 | 0.3 ± 0.1 | 9.3 ± 0.2 | 4.6 ± 0.6 | 9.9 ± 0.8 | 13.2 ± 0.4 | 11.4 ± 0.4 |
| I.W. | 39.0 | 8.2 | 0.0 | 14.3 | 2.5 | 11.2 | 13.6 | 10.0 | |
| Val.-8 | IR | 6.3 ± 0.3 | 18.5 ± 0.6 | 16.8 ± 0.4 | 0.1 ± 0.2 | 20.0 ± 0.4 | 3.0 ± 0.9 | 25.2 ± 1.1 | 7.0 ± 1.1 |
| I.W. | 6.6 | 14.5 | 17.7 | 0.0 | 20.5 | 0.0 | 22.8 | 15.0 | |
| A-1 | IR | 29.1 ± 0.4 | 50.3 ± 1.0 | 7.1 ± 0.9 | 0.3 ± 0.4 | 4.6 ± 0.6 | 3.0 ± 1.0 | 6.6 ± 0.2 | 0.0 ± 0.0 |
| XRD | 28.0 | 50.1 | 2.9 | 0.0 | 7.0 | 0.0 | 5.0 | 1.0 | |
| A-2 | IR | 25.3 ± 0.8 | 54.0 ± 1.3 | 5.2 ± 0.5 | 0.4 ± 0.4 | 3.4 ± 0.4 | 3.0 ± 1.2 | 8.8 ± 0.4 | 0.1 ± 0.2 |
| XRD | 28.0 | 50.1 | 2.9 | 0.0 | 7.0 | 0.0 | 5.0 | 1.0 | |
| A-3 | IR | 24.8 ± 0.3 | 53.7 ± 1.5 | 6.3 ± 2.2 | 0.0 ± 0.0 | 4.6 ± 0.3 | 3.0 ± 1.7 | 6.3 ± 0.2 | 0.8 ± 0.7 |
| XRD | 27.0 | 52.2 | 2.8 | 0.0 | 6.0 | 0.0 | 9.0 | 1.0 | |
| B-1 | IR | 10.3 ± 2.0 | 37.5 ± 1.9 | 18.7 ± 1.2 | 6.6 ± 0.4 | 9.6 ± 0.8 | 9.5 ± 0.9 | 0.7 ± 0.4 | 6.6 ± 0.3 |
| XRD | 19.0 | 1.0 | 54.0 | 1.0 | 9.0 | 4.0 | 0.0 | 0.0 | |
| B-2 | IR | 26.5 ± 0.3 | 33.0 ± 1.3 | 18.4 ± 0.4 | 2.5 ± 0.2 | 5.2 ± 1.4 | 7.2 ± 0.4 | 0.5 ± 0.3 | 6.2 ± 0.4 |
| XRD | 32.0 | 1.0 | 50.0 | 4.0 | 7.0 | 4.0 | 0.0 | 0.0 | |
| C-1 | IR | 23.4 ± 0.9 | 41.8 ± 0.7 | 19.1 ± 1.4 | 2.5 ± 0.3 | 5.3 ± 0.5 | 0.5 ± 0.7 | 4.8 ± 0.2 | 1.6 ± 1.2 |
| XRD | 29.0 | 30.0 | 19.0 | 4.6 | 8.1 | 3.7 | 1.5 | 1.0 | |
| D-1 | IR | 10.7 ± 1.5 | 44.5 ± 2.6 | 5.2 ± 0.5 | 0.4 ± 0.3 | 3.2 ± 1.1 | 10.7 ± 1.0 | 4.4 ± 0.5 | 20.6 ± 0.8 |
| XRD | 14.0 | 41.0 | 0.0 | 0.0 | 0.0 | 5.0 | 0.0 | 29.0 | |
| E-1 | IR | 31.6 ± 1.4 | 39.5 ± 0.8 | 5.9 ± 0.5 | 0.6 ± 0.6 | 11.4 ± 0.4 | 7.6 ± 1.1 | 1.3 ± 0.3 | 1.9 ± 1.3 |
| XRD | 35.0 | 30.2 | 4.8 | 0.0 | 18.0 | 3.0 | 0.0 | 0.0 | |
| E-2 | IR | 29.8 ± 0.4 | 42.0 ± 1.2 | 3.7 ± 0.8 | 11.3 ± 0.8 | 5.4 ± 0.1 | 5.3 ± 2.4 | 1.7 ± 0.2 | 0.6 ± 0.7 |
| XRD | 36.0 | 29.9 | 7.1 | 14.0 | 6.0 | 2.0 | 1.0 | 0.0 | |
| E-3 | IR | 23.4 ± 1.3 | 46.5 ± 0.6 | 3.9 ± 0.8 | 17.1 ± 0.7 | 6.5 ± 0.3 | 0.7 ± 0.5 | 1.3 ± 0.4 | 0.6 ± 0.5 |
| XRD | 28.0 | 31.0 | 7.0 | 17.0 | 9.0 | 0.0 | 0.0 | 1.0 | |
| E-4 | IR | 20.7 ± 1.1 | 43.6 ± 1.6 | 5.5 ± 1.4 | 13.5 ± 1.1 | 7.5 ± 0.8 | 4.3 ± 0.2 | 1.5 ± 0.6 | 3.1 ± 0.9 |
| XRD | 31.0 | 28.4 | 6.6 | 16.0 | 10.0 | 0.0 | 0.0 | 1.0 |