Sample name | Activity concentration (Bq/kg)) | Activity ratios | ||
226Ra | 232Th | 40K | 226Ra/232Th | |
Basalt-1 | 08.52 ± 0.01 | 11.15 ± 0.02 | 353.75 ± 0.02 | 0.76 |
Basalt-2 | 10.31 ± 0.02 | 10.68 ± 0.03 | 213.88 ± 0.02 | 0.97 |
Basalt-3 | 03.04 ± 0.02 | 03.19 ± 0.02 | 95.59 ± 0.01 | 0.95 |
Basalt-4 | 10.55 ± 0.01 | 13.31 ± 0.03 | 361.52 ± 0.02 | 0.79 |
Basalt-5 | 04.69 ± 0.01 | 07.57 ± 0.02 | 155.39 ± 0.02 | 0.62 |
Basalt-6 | 05.55 ± 0.01 | 06.40 ± 0.02 | 146.67 ± 0.02 | 0.87 |
Basalt-7 | 07.19 ± 0.02 | 08.51 ± 0.03 | 221.25 ± 0.01 | 0.85 |
Range | 03.04 - 10.91 | 03.19 - 13.31 | 95.59 - 361.52 | 0.62 - 0.97 |
Average | 07.90 ± 0.02 | 09.14 ± 0.03 | 234.81 ± 0.02 | 0.83 |
Granite-8 | 112.77 ± 0.01 | 82.72 ± 0.03 | 1263.40 ± 0.01 | 1.36 |
Granite-9 | 96.07 ± 0.01 | 89.13 ± 0.02 | 1629.21 ± 0.01 | 1.08 |
Granite-10 | 28.42 ± 0.01 | 33.81 ± 0.03 | 1260.13 ± 0.02 | 0.84 |
Granite-11 | 86.15 ± 0.02 | 68.34 ± 0.02 | 1354.10 ± 0.01 | 1.26 |
Range | 28.42 - 112.77 | 33.81 - 89.13 | 1260.13 - 1629.21 | 0.84 - 1.36 |
Average | 80.85 ± 0.01 | 68.50 ± 0.03 | 1376.69 ± 0.1 | 1.14 |
Gold-12 | 00.78 ± 0.01 | 01.48 ± 0.02 | 13.76 ± 0.01 | 0.53 |
Gold-13 | 01.58 ± 0.01 | 01.90 ± 0.02 | 133.89 ± 0.01 | 0.83 |
Gold-14 | 11.84 ± 0.02 | 04.69 ± 0.02 | 445.09 ± 0.01 | 2.53 |
Range | 00.78 - 11.84 | 01.48 - 4.69 | 13.76 - 445.09 | 0.53 - 2.53 |
Average | 04.73 ± 0.01 | 02.69 ± 0.02 | 197.58 ± 0.01 | 1.30 |
Andesite-15 | 05.72 ± 0.01 | 03.73 ± 0.02 | 471.93 ± 0.01 | 1.53 |
Marble-16 | 01.56 ± 0.02 | 01.38 ± 0.02 | 10.15 ± 0.01 | 1.13 |