| Rock unit | Statistical parameters | Tc (Ur) | eU (ppm) | eTh (ppm) | K (%) | eU/eTh | eU/K |
| Wadi alluvium | Min. Max. X S CV% | 27.6 118.2 77.6 13.4 ---- | 1.6 9.1 3.7 1.0 27.0 | 3.4 13.6 7.7 1.8 23.4 | 0.9 3.1 1.9 0.3 15.8 | 0.18 1.74 0.55 0.24 ---- | 0.87 8.00 2.63 1.18 ---- |
| Bostonite | Min. Max. X S CV% | 61.4 2362.0 973.8 573.4 ---- | 3.1 307.2 63.4 82.1 129.5 | 5.0 55.1 21.4 14.1 65.9 | 0.9 22.0 4.1 2.4 58.6 | 1.03 6.65 3.39 1.54 ---- | 2.69 35.0 19.5 9.35 ---- |
| Slate | Min. Max. X S CV% | 20.0 112.9 76.1 14.1 ---- | 1.4 8.2 3.6 1.2 33.3 | 0.1 11.5 7.4 1.9 25.7 | 0.3 3.5 1.7 0.4 23.5 | 0.16 1.30 0.77 0.57 ---- | 0.87 12.70 2.42 1.80 ---- |
| Sandstone | Min. Max. X S CV% | 40.0 101.7 90.0 12.4 ---- | 0.9 6.7 3.5 0.9 25.7 | 3.1 13.3 7.7 1.9 24.7 | 1.0 2.9 1.8 0.3 16.7 | 0.10 1.98 0.53 0.48 ---- | 0.83 14.17 2.55 2.28 ---- |
| Conglomerate | Min. Max. X S CV% | 15.0 93.6 63.0 22.7 ---- | 0.5 6.7 2.9 1.5 51.7 | 0.7 9.2 5.5 2.2 40.0 | 0.4 2.1 1.5 0.5 33.3 | 0.23 1.57 0.53 0.29 ---- | 1.00 5.58 2.05 1.01 ---- |