Table 1 Radioelement contents and dose rates from Saffaqah sediment samples.
From: The expansion of later Acheulean hominins into the Arabian Peninsula
Sample | Burial depth (m) | Radioelement content | Dose rate (Gy ka−1) | |||||
|---|---|---|---|---|---|---|---|---|
K (%) | Th (ppm) | U (ppm) | Ext gamma | Ext. beta | Ext. alpha | Total | ||
DWD-OSL2 | 0.85 | 2.0 | 8.0 | 2.0 | 1.06 ± 0.05 | 1.90 ± 0.05 | 0.07 ± 0.01 0.06 ± 0.01 | 3.83 ± 0.21 3.82 ± 0.22 |
DWD-OSL3 | 1.45 | 2.2 | 11.1 | 3.0 | 1.57 ± 0.08 | 2.24 ± 0.06 | 0.11 ± 0.02 0.09 ± 0.02 | 4.65 ± 0.24 4.63 ± 0.24 |
