Table 3 Elemental composition of samples analyzed for 36Cl
Sample ID | Al2O3 (%) | CaO (%) | Cr2O3 (%) | Fe2O3 (%) | K2O (%) | MgO (%) | MnO (%) | Na2O (%) | P2O5 (%) | SiO2 (%) | TiO2 (%) | Sm (ppm) | Gd (ppm) | U (ppm) | Th (ppm) | Cl (ppm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Grub2 | 9.91 | 1.25 | 0.005 | 1.08 | 3.44 | 0.22 | 0.03 | 3.00 | 0.02 | 75.70 | 0.10 | 5.9 | 6.1 | 9.7 | 34.4 | 31.7 ± 0.5 |
Grub3 | 10.4 | 1.14 | 0.005 | 1.30 | 3.39 | 0.15 | 0.05 | 3.30 | 0.02 | 75.70 | 0.10 | 4.8 | 4.8 | 7.9 | 22.7 | 21.6 ± 0.2 |
Grub4 | 11.2 | 0.82 | 0.005 | 1.40 | 4.00 | 0.14 | 0.04 | 3.20 | 0.01 | 75.40 | 0.11 | 5.9 | 5.3 | 8.0 | 28.3 | 26.2 ± 0.1 |