Table T2. Measured weight percentages of minerals in standard-mineral mixtures and their calculated abundances.
| Standard | Measured weight percentage | Weight percentage calculated from X-ray diffraction | Error (measured wt% - calculated wt%) | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Smectite | Illite | Chlorite
+ kaolinite |
Total clay | Quartz | Plagioclase | Calcite | Smectite | Illite | Chlorite
+ kaolinite |
Total clay | Quartz | Plagioclase | Calcite | Smectite | Illite | Chlorite
+ kaolinite |
Clay | Quartz | Plagioclase | Calcite | |||
| SVD method: | |||||||||||||||||||||||
| 1 | 4.3 | 0.0 | 10.1 | 14.4 | 14.9 | 5.3 | 65.4 | 1.6 | 2.0 | 6.0 | 9.6 | 12.9 | 7.9 | 69.6 | 2.7 | -2.0 | 4.1 | 4.8 | 2.0 | -2.6 | -4.3 | ||
| 2 | 4.2 | 9.2 | 17.8 | 31.2 | 24.2 | 11.1 | 33.6 | 6.3 | 10.0 | 19.9 | 36.2 | 23.9 | 10.0 | 29.8 | -2.1 | -0.9 | -2.1 | -5.0 | 0.3 | 1.1 | 3.8 | ||
| 3 | 9.8 | 9.1 | 12.5 | 31.4 | 38.3 | 7.8 | 22.6 | 12.3 | 9.9 | 10.1 | 32.3 | 37.8 | 9.9 | 19.9 | -2.5 | -0.9 | 2.4 | -0.9 | 0.5 | -2.1 | 2.7 | ||
| 4 | 5.4 | 0.0 | 26.3 | 31.8 | 40.0 | 8.0 | 20.3 | 3.0 | 0.0 | 25.2 | 28.2 | 41.8 | 10.0 | 19.9 | 2.4 | 0.0 | 1.1 | 3.6 | -1.8 | -2.0 | 0.4 | ||
| 5 | 29.0 | 9.0 | 13.3 | 51.3 | 26.9 | 8.3 | 13.4 | 24.1 | 10.5 | 19.7 | 54.3 | 26.2 | 8.6 | 11.0 | 4.9 | -1.5 | -6.4 | -3.0 | 0.7 | -0.3 | 2.4 | ||
| 6 | 5.3 | 6.0 | 15.9 | 27.1 | 37.7 | 14.7 | 20.5 | 9.2 | 5.0 | 25.1 | 39.3 | 30.8 | 14.9 | 14.9 | -3.9 | 1.0 | -9.2 | -12.2 | 6.9 | -0.2 | 5.6 | ||
| 7 | 27.3 | 8.4 | 7.6 | 43.3 | 56.7 | 0.0 | 0.0 | 24.6 | 9.9 | 10.0 | 44.5 | 55.4 | 0.0 | 0.0 | 2.7 | -1.6 | -2.4 | -1.2 | 1.3 | 0.0 | 0.0 | ||
| 8 | 0.0 | 19.7 | 13.0 | 32.7 | 38.3 | 15.5 | 13.6 | 4.9 | 20.0 | 21.9 | 46.8 | 31.1 | 12.0 | 10.0 | -4.9 | -0.3 | -8.9 | -14.1 | 7.2 | 3.5 | 3.6 | ||
| 9 | 8.4 | 19.1 | 14.3 | 41.8 | 34.6 | 13.8 | 9.8 | 6.1 | 19.6 | 11.8 | 37.5 | 38.1 | 14.7 | 9.8 | 2.3 | -0.5 | 2.5 | 4.3 | -3.5 | -0.9 | 0.0 | ||
| 10 | 0.5 | 8.2 | 23.7 | 32.4 | 54.2 | 13.4 | 0.0 | 1.3 | 8.0 | 24.8 | 34.1 | 50.4 | 15.5 | 0.0 | -0.8 | 0.2 | -1.1 | -1.7 | 3.8 | -2.2 | 0.0 | ||
| 11 | 7.5 | 5.5 | 0.0 | 13.0 | 27.3 | 44.0 | 15.6 | 9.2 | 5.0 | 0.0 | 14.2 | 30.8 | 40.1 | 15.0 | -1.7 | 0.5 | 0.0 | -1.2 | -3.5 | 3.9 | 0.6 | ||
| 12 | 2.5 | 14.7 | 11.0 | 28.2 | 33.2 | 33.5 | 5.2 | 3.0 | 14.9 | 10.0 | 27.9 | 36.9 | 29.9 | 5.2 | -0.5 | -0.2 | 1.0 | 0.3 | -3.7 | 3.6 | 0.0 | ||
| 14 | 6.4 | 67.5 | 11.9 | 85.8 | 9.1 | 3.6 | 1.5 | 6.5 | 69.2 | 9.9 | 85.6 | 9.5 | 3.0 | 2.0 | -0.1 | -1.7 | 2.0 | 0.2 | -0.4 | 0.6 | -0.6 | ||
| 15 | 3.4 | 4.9 | 68.9 | 77.3 | 4.9 | 13.8 | 4.1 | 3.9 | 5.1 | 69.0 | 78.0 | 4.4 | 12.8 | 4.8 | -0.5 | -0.2 | -0.1 | -0.8 | 0.5 | 1.0 | -0.8 | ||
| 16 | 9.0 | 3.3 | 11.1 | 23.4 | 64.1 | 5.6 | 6.9 | 8.2 | 2.0 | 3.0 | 13.2 | 74.0 | 4.9 | 7.9 | 0.8 | 1.3 | 8.1 | 10.2 | -9.9 | 0.7 | -1.0 | ||
| 17 | 2.6 | 20.5 | 5.5 | 28.6 | 7.6 | 63.9 | 0.0 | 0.0 | 20.0 | 5.1 | 25.1 | 5.1 | 69.8 | 0.0 | 2.6 | 0.5 | 0.4 | 3.5 | 2.5 | -5.9 | 0.0 | ||
| Linear regression method: | |||||||||||||||||||||||
| 1 | 4.3 | 0.0 | 10.1 | 14.4 | 14.9 | 5.3 | 65.4 | 0.0 | 2.0 | 9.5 | 11.5 | 10.8 | 7.8 | 69.8 | 4.3 | -2.0 | 0.6 | 2.9 | 4.1 | -2.5 | -4.5 | ||
| 2 | 4.2 | 9.2 | 17.8 | 31.2 | 24.2 | 11.1 | 33.6 | 12.6 | 8.2 | 16.4 | 37.2 | 21.2 | 10.7 | 30.9 | -8.4 | 1.0 | 1.4 | -6.0 | 3.0 | 0.4 | 2.7 | ||
| 3 | 9.8 | 9.1 | 12.5 | 31.4 | 38.3 | 7.8 | 22.6 | 11.2 | 9.5 | 12.0 | 32.7 | 33.1 | 10.4 | 23.8 | -1.4 | -0.4 | 0.5 | -1.3 | 5.2 | -2.6 | -1.2 | ||
| 4 | 5.4 | 0.0 | 26.3 | 31.8 | 40.0 | 8.0 | 20.3 | 0.0 | 2.0 | 26.1 | 28.1 | 40.7 | 9.4 | 21.8 | 5.4 | -2.0 | 0.2 | 3.7 | -0.7 | -1.4 | -1.5 | ||
| 5 | 29.0 | 9.0 | 13.3 | 51.3 | 26.9 | 8.3 | 13.4 | 28.4 | 11.4 | 17.9 | 57.7 | 18.1 | 7.6 | 16.7 | 0.6 | -2.4 | -4.6 | -6.4 | 8.8 | 0.7 | -3.3 | ||
| 6 | 5.3 | 6.0 | 15.9 | 27.1 | 37.7 | 14.7 | 20.5 | 11.1 | 5.8 | 13.9 | 30.8 | 36.3 | 14.6 | 18.4 | -5.8 | 0.2 | 2.0 | -3.7 | 1.4 | 0.1 | 2.1 | ||
| 7 | 27.3 | 8.4 | 7.6 | 43.3 | 56.7 | 0.0 | 0.0 | 20.6 | 10.6 | 8.2 | 39.4 | 59.0 | 1.5 | 0.0 | 6.7 | -2.3 | -0.6 | 3.9 | -2.3 | -1.5 | 0.0 | ||
| 8 | 0.0 | 19.7 | 13.0 | 32.7 | 38.3 | 15.5 | 13.6 | 4.4 | 17.8 | 11.8 | 34.0 | 39.0 | 14.6 | 12.4 | -4.4 | 1.9 | 1.2 | -1.3 | -0.7 | 0.9 | 1.2 | ||
| 9 | 8.4 | 19.1 | 14.3 | 41.8 | 34.6 | 13.8 | 9.8 | 11.8 | 17.9 | 13.6 | 43.3 | 32.7 | 13.9 | 10.0 | -3.4 | 1.2 | 0.7 | -1.5 | 1.9 | -0.1 | -0.2 | ||
| 10 | 0.5 | 8.2 | 23.7 | 32.4 | 54.2 | 13.4 | 0.0 | 0.0 | 8.2 | 21.4 | 29.6 | 56.3 | 14.2 | 0.0 | 0.5 | 0.0 | 2.3 | 2.8 | -2.1 | -0.9 | 0.0 | ||
| 11 | 7.5 | 5.5 | 0.0 | 13.0 | 27.3 | 44.0 | 15.6 | 5.3 | 5.1 | 5.3 | 15.7 | 27.1 | 38.6 | 18.6 | 2.2 | 0.4 | -5.3 | -2.7 | 0.2 | 5.4 | -3.0 | ||
| 12 | 2.5 | 14.7 | 11.0 | 28.2 | 33.2 | 33.5 | 5.2 | 7.2 | 13.1 | 11.1 | 31.4 | 32.5 | 30.6 | 5.6 | -4.7 | 1.6 | -0.1 | -3.2 | 0.7 | 2.9 | -0.4 | ||
| 14 | 6.4 | 67.5 | 11.9 | 85.8 | 9.1 | 3.6 | 1.5 | 8.1 | 55.5 | 13.1 | 76.7 | 16.5 | 4.1 | 2.7 | -1.7 | 12.0 | -1.2 | 9.1 | -7.4 | -0.5 | -1.3 | ||
| 15 | 3.4 | 4.9 | 68.9 | 77.3 | 4.9 | 13.8 | 4.1 | 0.0 | 4.4 | 77.3 | 81.7 | 4.2 | 10.8 | 3.2 | 3.4 | 0.5 | -8.4 | -4.5 | 0.7 | 3.0 | 0.9 | ||
| 16 | 9.0 | 3.3 | 11.1 | 23.4 | 64.1 | 5.6 | 6.9 | 7.6 | 3.7 | 7.3 | 18.6 | 65.7 | 7.4 | 8.2 | 1.4 | -0.4 | 3.8 | 4.8 | -1.6 | -1.8 | -1.3 | ||
| 17 | 2.6 | 20.5 | 5.5 | 28.6 | 7.6 | 63.9 | 0.0 | 0.0 | 18.4 | 10.6 | 29.0 | 10.8 | 60.3 | 0.0 | 2.6 | 2.1 | -5.1 | -0.4 | -3.2 | 3.6 | 0.0 | ||
Note: Calculated values are averages based on analyses of three replicates per mineral mixture, using average peak areas from X-ray diffraction and normalization factors determined with matrix singular value decomposition (SVD).