Table T1. X-ray diffraction analysis of standard mixtures of kaolinite and chlorite.
Mixture | Actual abundance (wt%) |
Peak intensity (counts/step) |
Fitted peak (total count) |
Doubled half-peak and composite peak area (total count) |
Calculated kaolinite abundances and errors (wt%) |
||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Kaolinite | Chlorite | Kaolinite (002) |
Chlorite (004) |
Kaolinite (002) |
Chlorite (004) |
Kaolinite (002) |
Chlorite (004) |
Kaolinite (002) + chlorite (004) |
Intensity ratio |
Error- intensity ratio |
Fitted-area ratio |
Error-fitted area ratio |
Doubled half- peak area |
Error–half- peak area |
|
C-1 | 91.3 | 8.7 | 6,515 | 1,682 | 225,627 | 31,479 | 127,691 | NA | 256,933 | 79.5 | 11.8 | 87.8 | 3.5 | 99.0 | 7.7 |
C-2 | 82.3 | 17.7 | 3,215 | 1,220 | 110,471 | 24,640 | 62,721 | NA | 135,634 | 72.5 | 9.8 | 81.8 | 0.6 | 88.2 | 5.8 |
C-3 | 73.1 | 26.9 | 1,870 | 1,057 | 63,138 | 21,927 | 35,892 | 17,663 | 86,096 | 63.9 | 9.2 | 74.2 | 1.1 | 74.6 | 1.5 |
C-4 | 63.6 | 36.4 | 1,379 | 952 | 47,991 | 21,213 | 27,800 | 18,009 | 70,457 | 59.2 | 4.4 | 69.3 | 5.7 | 68.3 | 4.7 |
C-5 | 53.8 | 46.2 | 1,182 | 1,122 | 39,371 | 25,531 | 23,670 | 19,264 | 65,868 | 51.3 | 2.5 | 60.7 | 6.9 | 58.7 | 4.9 |
C-6 | 43.7 | 56.3 | 577 | 766 | 18,730 | 18,531 | 11,262 | 12,259 | 37,766 | 43.0 | 0.7 | 50.3 | 6.6 | 43.4 | 0.3 |
C-7 | 33.3 | 66.7 | 467 | 849 | 13,643 | 20,969 | 8,598 | 13,289 | 34,942 | 35.5 | 2.2 | 39.4 | 6.1 | 31.9 | 1.4 |
C-8 | 22.6 | 77.4 | 223 | 607 | 5,485 | 16,615 | NA | 9,332 | 21,961 | 26.9 | 4.3 | 24.8 | 2.3 | 20.8 | 1.8 |
C-9 | 11.5 | 88.5 | 496 | 1,761 | 8,782 | 54,812 | NA | 29,134 | 63,600 | 22.0 | 10.5 | 13.8 | 2.4 | 11.8 | 0.3 |
K-0 | 0.0 | 100.0 | 69 | 640 | 1,673 | 15,958 | NA | 8,855 | 17,143 | 9.7 | 9.7 | 9.5 | 9.5 | –4.8 | 4.8 |
K-05 | 5.9 | 94.1 | 107 | 676 | 2,713 | 17,159 | NA | 9,367 | 19,723 | 13.7 | 7.8 | 13.7 | 7.8 | 7.1 | 1.2 |
K-1 | 11.7 | 88.3 | 183 | 811 | 4,411 | 22,114 | NA | 12,329 | 26,786 | 18.4 | 6.7 | 16.6 | 4.9 | 11.2 | 0.5 |
K-2 | 22.9 | 77.1 | 402 | 868 | 9,908 | 27,539 | NA | 15,310 | 37,204 | 31.7 | 8.7 | 26.5 | 3.5 | 24.4 | 1.4 |
K-3 | 33.8 | 66.2 | 551 | 1,039 | 16,064 | 25,867 | 10,638 | 16,084 | 42,769 | 34.7 | 0.9 | 38.3 | 4.5 | 32.4 | 1.4 |
K-4 | 44.2 | 55.8 | 737 | 930 | 23,765 | 23,039 | 14,846 | 16,401 | 47,516 | 44.2 | 0.0 | 50.8 | 6.5 | 46.8 | 2.6 |
K-5 | 54.3 | 45.7 | 1,063 | 1,037 | 36,160 | 23,057 | 20,057 | 17,279 | 59,999 | 50.6 | 3.7 | 61.1 | 6.7 | 52.2 | 2.1 |
K-6 | 64.1 | 35.9 | 1,487 | 1,065 | 51,487 | 24,232 | 28,895 | 18,484 | 76,850 | 58.3 | 5.8 | 68.0 | 3.9 | 63.1 | 1.0 |
K-7 | 73.5 | 26.5 | 1,620 | 870 | 53,500 | 23,317 | 30,854 | 15,270 | 76,814 | 65.1 | 8.5 | 69.6 | 3.9 | 70.2 | 3.3 |
K-8 | 82.6 | 17.4 | 2,914 | 1,106 | 102,934 | 22,973 | 53,545 | NA | 126,280 | 72.5 | 10.2 | 81.8 | 0.9 | 76.7 | 6.0 |
K-9 | 91.5 | 8.5 | 6,200 | 1,731 | 220,796 | 34,478 | 122,081 | NA | 255,051 | 78.2 | 13.3 | 86.5 | 5.0 | 93.2 | 1.7 |
K-95 | 95.8 | 4.2 | 5,714 | 1,358 | 203,069 | 25,808 | 110,104 | NA | 229,221 | 80.8 | 15.0 | 88.7 | 7.0 | 93.7 | 2.0 |
K-10 | 100.0 | 0.0 | 7,270 | 1,552 | 259,775 | 36,568 | 147,478 | NA | 295,334 | 82.4 | 17.6 | 87.7 | 12.3 | 99.8 | 0.2 |
Average: | 7.4 | 5.1 | 2.6 |
Close | Next | Top of page