Sample | Measurement procedure | n | Fading test | Dose recovery test | Fading-uncorrected Age (ka) | Fading-corrected Ageb (ka) | D0 (Gy) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
n | g2days (%/decade) | ρ′ /10−6 | n | Dose recovery ratio | n | Residual dose (Gy) | |||||||
gsj13-040a | pIRIR50/290 | 11 | 96 ± 3 | 11 | 2.19 ±0.09 | 2.24 ±0.10 | 3 | 0.93 ± 0.09 | 3 | 10± 1 | 59 ± 5 | 95 ±9 | 361 |
pIRIR200/290 | 17 | 120 ± 4 | 7 | −1.02 ±0.73 | −1.11 ±0.72 | 3 | 1.07 ± 0.09 | 3 | 12 ± 6 | 74 ± 7 | 81 ±8 | 251 | |
gsj14-014 | pIRIR50/290 | 8 | 163 ± 8 | 3 | 1.16 ± 0.05 | 3 | 15 ± 1 | 99 ± 11 | 167 ±20 | 413 | |||
pIRIR200/290 | 11 | 192 ± 5 | 3 | 1.20 ± 0.10 | 3 | 25 ± 1 | 116± 10 | 127 ± 12 | 324 | ||||
gsj14-015 | pIRIR50/290 | 8 | 178 ± 8 | 3 | 1.06 ± 0.03 | 3 | 12 ± 0 | 105 ± 10 | 168 ± 16 | 724 | |||
pIRIR200/290 | 8 | 181 ± 6 | 3 | 0.81 ± 0.05 | 3 | 22 ± 1 | 106 ± 10 | 116 ± 11 | 392 | ||||
gsj13-039 | pIRIR50/290 | 28 | 176 ± 8 | 28 | 1.65 ±0.18 | 1.64 ±0.17 | 10 | 1.03 ± 0.10 | 6 | 15 ± 0 | 103 ± 10 | 177 ±20 | 422 |
pIRIR100/290 | 12 | 191 ± 10 | 12 | 2.22 ± 0.34 | 2.22 ± 0.33 | 9 | 1.10 ± 0.12 | 6 | 18 ± 2 | 112 ± 12 | 199 ±25 | 424 | |
pIRIRI50/290 | 10 | 200 ±7 | 10 | 1.65 ±0.31 | 1.64 ±0.31 | 9 | 1.06 ± 0.12 | 6 | 23 ± 2 | 118 ± 11 | 178 ± 17 | 451 | |
pIRIR200/290 | 19 | 183 ± 14 | 19 | 0.49 ± 0.46 | 0.48 ± 0.49 | 12 | 1.02 ± 0.11 | 12 | 27 ± 2 | 107 ± 15 | 117 ± 17 | 370 | |
pIRIR250/290 | 9 | 238 ± 8 | 9 | −0.26 ± 1.07 | −0.42 ± 1.15 | 9 | 1.08 ± 0.40 | 6 | 28 ± 7 | 139 ± 15 | 139 ± 15 | 231 | |
gsj14-031 | pIRIR50/290 | 7 | 163 ± 7 | 3 | 1.06 ± 0.05 | 3 | 13± 1 | 94 ± 9 | 159 ± 16 | 410 | |||
pIRIR200/290 | 9 | 194 ± 7 | 3 | 1.01 ± 0.07 | 3 | 25 ± 1 | 112 ± 12 | 123 ± 13 | 298 | ||||
gsj14-030 | pIRIR50/290 | 8 | 204 ± 5 | 8 | 2.53 ± 0.31 | 2.53 ± 0.32 | 3 | 1.04 ± 0.05 | 3 | 15 ± 0 | 116± 9 | 199 ± 17 | 448 |
pIRIR200/290 | 13 | 214 ± 7 | 12 | 1.57 ±0.40 | 1.57 ±0.40 | 3 | 0.94 ± 0.17 | 3 | 31 ± 1 | 120 ± 12 | 133 ± 14 | 258 | |
gsj14-017 | pIRIR50/290 | 8 | 184 ± 5 | 3 | 1.04 ± 0.05 | 3 | 16± 1 | 113± 9 | 188 ± 16 | 514 | |||
pIRIR200/290 | 11 | 204 ± 11 | 3 | 1.02 ± 0.07 | 3 | 31 ± 1 | 125 ± 14 | 136 ± 15 | 446 | ||||
gsj14-029 | pIRIR50/290 | 8 | 183 ± 5 | 3 | 0.96 ± 0.04 | 3 | 14 ± 1 | 107 ± 9 | 181 ± 15 | 453 | |||
pIRIR200/290 | 10 | 206 ± 9 | 3 | 1.01 ± 0.10 | 3 | 21 ± 1 | 120 ± 13 | 131 ± 15 | 339 | ||||
gsj13-093a | pIRIR50/290 | 10 | 95 ± 2 | 10 | 1.25 ±0.66 | 1.21 ±0.66 | 3 | 1.09 ± 0.05 | 3 | 11 ± 0 | 64 ± 5 | 94 ±8 | 371 |
pIRIR200/290 | 16 | 127 ± 4 | 8 | −1.34 ±0.57 | −1.43 ±0.62 | 3 | 1.13 ± 0.10 | 3 | 21 ± 2 | 86 ± 8 | 229 | ||
gsj13-094 | pIRIR50/290 | 17 | 163 ± 6 | 11 | 2.21 ± 0.42 | 2.24 ± 0.40 | 3 | 1.16 ± 0.07 | 3 | 19 ± 1 | 114 ± 10 | 173 ± 16 | 461 |
pIRIR100/290 | 6 | 203 ± 7 | 6 | 0.55 ±0.14 | 0.58 ±0.15 | 3 | 1.11 ± 0.05 | 3 | 18 ± 1 | 142 ± 13 | 164 ± 16 | 420 | |
pIRIR50/290 | 6 | 210 ± 4 | 6 | 1.50 ±0.23 | 1.52 ±0.25 | 3 | 0.98 ± 0.09 | 3 | 20 ± 1 | 147 ± 12 | 223 ± 18 | 364 | |
pIRIR200/290 | 24 | 193 ± 7 | 12 | −0.11 ±0.74 | −0.20 ± 0.76 | 3 | 1.02 ± 0.07 | 3 | 31 ± 1 | 134 ± 14 | 324 | ||
pIRIR250/290 | 4 | 221 ± 14 | 4 | 0.81 ± 0.57 | 0.83 ± 0.59 | 3 | 0.65 ± 0.07 | 3 | 38 ± 3 | 154 ± 27 | 202 ± 41 | 253 | |
gsj13-092 | pIRIR50/290 | 7 | 205 ± 5 | 3 | 1.08 ± 0.06 | 3 | 17 ± 0 | 126 ± 10 | 193 ± 16 | 507 | |||
pIRIR200/290 | 10 | 219 ± 3 | 3 | 1.02 ± 0.07 | 3 | 31 ± 1 | 134 ± 10 | 287 | |||||
gsj13-095 | pIRIR50/290 | 8 | 193 ± 5 | 8 | 1.82 ±0.12 | 1.82 ±0.13 | 3 | 1.16 ± 0.07 | 3 | 12 ± 0 | 121 ± 10 | 187 ± 16 | 450 |
pIRIR200/290 | 16 | 214 ± 4 | 12 | 1.40 ±0.22 | 1.40 ±0.23 | 3 | 0.97 ± 0.06 | 3 | 28 ± 1 | 134 ± 11 | 354 | ||
gsj13-091 | pIRIR50/290 | 8 | 178 ± 3 | 3 | 1.07 ± 0.06 | 3 | 16± 1 | 118 ± 9 | 178 ± 14 | 532 | |||
pIRIR200/290 | 11 | 205 ± 5 | 3 | 1.13 ± 0.12 | 3 | 32 ± 2 | 136 ± 12 | 312 | |||||
gsj13-096 | pIRIR50/290 | 8 | 187 ± 13 | 3 | 1.06 ± 0.06 | 3 | 11 ± 1 | 115 ± 15 | 177 ±26 | 442 | |||
pIRIR200/290 | 12 | 202 ±7 | 3 | 1.15 ± 0.06 | 3 | 27 ± 1 | 123 ± 12 | 339 | |||||
gsj14-019 | pIRIR50/290 | 12 | 16± 2 | 3 | 3 ± 0 | ||||||||
pIRIR100/290 | 8 | 14 ± 2 | |||||||||||
pIRlR50/290 | 8 | 11 ± 1 | |||||||||||
pIRIR200/290 | 15 | 17 ± 1 | 3 | 4 ± 0 | |||||||||
pIRIR250/290 | 8 | 26 ± 2 |
Step | Measurement Protocol | |
---|---|---|
1 | Give dose | |
2 | Preheat 320°C for 60 s | |
3 | IRSL 50, 100, 150, 200, 250°C for 200 s | |
4 | IRSL 290°C for 200 s (pIRIR50/290, pIRIR100/290, pIRIR150/290, pIRIR200/290, pIRIR250/290) | |
5 | Give test dose | |
6 | Preheat 320°C for 60 s | |
7 | IRSL 50, 100, 150, 200, 250°C for 200 s | |
8 | IRSL 290°C for 200 s (pIRIR50/290, pIRIR100/290, pIRIR150/290, pIRIR200/290, pIRIR250/290) | |
9 | Hot IR bleach for 200 s at 325°C | |
10 | Return to step 1 |
Sample | Depth (m) | Radioisotope concentraion | Water Content (%) | Cosmic Dose Rate (Gy/ka) | Dose-rate (Gy/ka) | |||
---|---|---|---|---|---|---|---|---|
K (%) | Rb (ppm) | Th (ppm) | U (ppm) | |||||
gsj13-040 | 7.40 | 0.62 ± 0.06 | 20.8 ± 2.1 | 1.35 ± 0.14 | 0.38 ± 0.04 | 3. 0 | 0.10 | 1.57 ± 0.12 |
gsj14-014 | 8.30 | 0.68 ± 0.07 | 23.2 ± 2.3 | 1.55 ± 0.16 | 0.44 ± 0.04 | 7.3 | 0.09 | 1.62 ± 0.12 |
gsj14-015 | 8.30 | 0.72 ± 0.07 | 23.1 ± 2.3 | 1.85 ± 0.19 | 0.48 ± 0.05 | 9.3 | 0.09 | 1.67 ± 0.12 |
gsj13-039 | 8.30 | 0.77 ± 0.08 | 19.9 ± 2.0 | 1.60 ± 0.16 | 0.44 ± 0.04 | 11.3 | 0.09 | 1.67 ± 0.12 |
gsj14-031 | 11.54 | 0.83 ± 0.08 | 24.9 ± 2.5 | 1.67 ± 0.17 | 0.52 ± 0.05 | 16.1 | 0.07 | 1.70 ± 0.12 |
gsj14-030 | 14.47 | 0.88 ± 0.09 | 24.1 ± 2.4 | 2.09 ± 0.21 | 0.60 ± 0.06 | 20.2 | 0.06 | 1.75 ± 0.12 |
gsj14-017 | 17.60 | 0.69 ± 0.07 | 23.1 ± 2.3 | 2.46 ± 0.25 | 0.46 ± 0.05 | 15.7 | 0.04 | 1.60 ± 0.11 |
gsj14-029 | 17.61 | 0.78 ± 0.08 | 22.9 ± 2.3 | 2.34 ± 0.23 | 0.74 ± 0.07 | 24.1 | 0.04 | 1.69 ± 0.12 |
gsj13-093 | 11. 84 | 0.50 ± 0.05 | 19.2 ± 1.9 | 1.63 ± 0.16 | 0.46 ± 0.05 | 11.4 | 0.07 | 1.44 ± 0.10 |
gsj13-094 | 13.80 | 0.52 ± 0.05 | 18.0 ± 1.8 | 1.30 ± 0.13 | 0.37 ± 0.04 | 11.2 | 0.06 | 1.41 ± 0.10 |
gsj13-092 | 14.08 | 0.71 ± 0.07 | 25.5 ± 2.6 | 1.93 ± 0.19 | 0.58 ± 0.06 | 17.7 | 0.06 | 1.61 ± 0.11 |
gsj13-095 | 16.07 | 0.69 ± 0.07 | 24.9 ± 2.5 | 1.82 ± 0.18 | 0.52 ± 0.05 | 19.2 | 0.05 | 1.57 ± 0.11 |
gsj13-091 | 17.33 | 0.55 ± 0.06 | 22.1 ± 2.2 | 1.80 ± 0.18 | 0.47 ± 0.05 | 10.3 | 0.05 | 1.48 ± 0.11 |
gsj13-096 | 18.03 | 0.73 ± 0.07 | 24.3 ± 2.4 | 1.94 ± 0.19 | 0.54 ± 0.05 | 18.7 | 0.04 | 1.60 ± 0.11 |
gsj14-019 | 0.10 | 0.18 ± 0.02 | 6.2 ± 0.6 | 0.79 ± 0.08 | 0.22 ± 0.02 | 5.9 | 0.21 | 1.50 ± 0.10 |