Geochemical and Isotope Anomalies in Sioma River Gorge, Western Tajikistan
Abstract
:1. Introduction
2. Materials and Methods
2.1. Sampling
2.2. Radiometric Measurements
2.3. Instrumental Neutron Activation Analysis
3. Results and Discussion
4. Concluding Remarks
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
Sampling Point | Latitude | Longitude | Altitude | Distance | Position |
---|---|---|---|---|---|
S1 | 38.9668 | 68.7503 | 2631 | 10.3 | Left bank |
S2 | 38.9668 | 68.7422 | 2705 | 10.2 | Right bank |
S3 | 38.9651 | 68.7284 | 2478 | 7.8 | Left bank |
S4 | 38.9638 | 68.7154 | 2184 | 5.2 | Right-bank |
S5 | 38.9642 | 68.7014 | 2123 | 4.0 | Left-bank |
S6 | 38.9561 | 68.6716 | 2057 | 2.8 | Left-bank |
S7 | 38.9444 | 68.6482 | 1893 | 1.7 | Left-bank |
S8 | 38.9478 | 68.6467 | 1871 | 0.6 | Right-bank |
S9 | 38.9683 | 68.7596 | 1751 | 0 | Varzob confluence, left-bank |
Isotope | Half-Life | -Ray Energy (KeV) | Output % |
---|---|---|---|
K | 1.26 × 10 y | 1640 | 11 |
Cs | 30.17 y | 661 | 85 |
Pb | 10.6 h | 239 | 47 |
Bi | 60.6 min | 727 | 6.5 |
Pb | 28.8 min | 352 | 37 |
Bi | 19.9 min | 609 | 47 |
Pb | 20.4 y | 47 | 4 |
Sampling Point | K | Cs | Pb | Bi | Pb | Bi | Pb | Th | U | Th/U |
---|---|---|---|---|---|---|---|---|---|---|
S1 | 710 ± 50 | 53 ± 3 | 71 ± 5 | 78 ± 7 | 51 ± 3 | 51 ± 3 | 590 ± 38 | 15.1 ± 1.1 | 4.1 ± 0.3 | 3.7 ± 0.4 |
S2 | 490 ± 35 | 21 ± 2 | 54 ± 3 | 52 ± 4 | 37 ± 3 | 35 ± 3 | 230 ± 9 | 10.7 ± 0.9 | 2.9 ± 0.3 | 3.7 ± 0.5 |
S3 | 430 ± 30 | 195 ± 13 | 80 ± 8 | 106 ± 8 | 64 ± 4 | 64 ± 4 | 900 ± 55 | 18.8 ± 1.2 | 5.2 ± 0.4 | 3.6 ± 0.4 |
S4 | 530 ± 35 | 113 ± 7 | 102 ± 7 | 117 ± 10 | 59 ± 4 | 56 ± 4 | 710 ± 42 | 22.1 ± 1.8 | 4.7 ± 0.3 | 4.7 ± 0.5 |
S5 | 520 ± 30 | 24 ± 2 | 45 ± 3 | 61 ± 6 | 27 ± 2 | 32 ± 2 | 250 ± 15 | 10.7 ± 0.7 | 2.4 ± 0.2 | 4.5 ± 0.5 |
S6 | 550 ± 40 | 200 ± 12 | 88 ± 4 | 109 ± 8 | 55 ± 4 | 59 ± 4 | 860 ± 55 | 19.9 ± 1.3 | 4.6 ± 0.3 | 4.3 ± 0.4 |
S7 | 620 ± 40 | 130 ± 7 | 111 ± 9 | 118 ± 10 | 49 ± 3 | 49 ± 3 | 730 ± 35 | 23.2 ± 1.4 | 3.9 ± 0.3 | 5.9 ± 0.6 |
S8 | 630 ± 40 | 37 ± 3 | 293 ± 21 | 306 ± 25 | 240 ± 15 | 274 ± 19 | 550 ± 30 | 63.5 ± 5.3 | 20.8 ± 1.4 | 3.1 ± 0.3 |
S9 | 1060 ± 70 | 150 ± 9 | 143 ± 11 | 159 ± 11 | 77 ± 4 | 72 ± 5 | 480 ± 30 | 30.5 ± 3.0 | 6.0 ± 0.3 | 5.1 ± 0.6 |
Average | 4.4 ± 0.8 |
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K | Cs | Pb | Bi | Pb | Bi | 210Pb | Th | U | Th/U | |
---|---|---|---|---|---|---|---|---|---|---|
K | — | 0.133 | 0.600 | 0.617 | 0.383 | 0.400 | −0.117 | 0.611 | 0.383 | 0.268 |
Cs | 0.084 | — | 0.383 | 0.400 | 0.450 | 0.517 | 0.817 | 0.393 | 0.450 | 0.226 |
Pb | 0.310 | −0.089 | — | 0.983 | 0.783 | 0.767 | 0.250 | 0.996 | 0.783 | 0.159 |
Bi | 0.298 | −0.012 | 0.994 | — | 0.767 | 0.750 | 0.267 | 0.996 | 0.767 | 0.201 |
Pb | 0.156 | −0.178 | 0.970 | 0.966 | — | 0.983 | 0.317 | 0.778 | 1.000 | −0.285 |
Bi | 0.116 | −0.207 | 0.959 | 0.955 | 0.998 | — | 0.350 | 0.762 | 0.983 | −0.318 |
Pb | −0.158 | 0.828 | 0.106 | 0.170 | 0.071 | 0.054 | — | 0.259 | 0.317 | −0.017 |
Th | 0.289 | −0.069 | 0.999 | 0.998 | 0.974 | 0.965 | 0.127 | — | 0.778 | 0.181 |
U | 0.132 | −0.193 | 0.964 | 0.960 | 0.999 | 1.000 | 0.062 | 0.969 | — | −0.285 |
Th/U | 0.340 | 0.328 | −0.249 | −0.250 | −0.469 | −0.484 | 0.097 | −0.267 | −0.480 | — |
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Abdushukurov, D.A.; Abdusamadzoda, D.; Duliu, O.G.; Frontasyeva, M.V. Geochemical and Isotope Anomalies in Sioma River Gorge, Western Tajikistan. Radiation 2021, 1, 145-152. https://doi.org/10.3390/radiation1020013
Abdushukurov DA, Abdusamadzoda D, Duliu OG, Frontasyeva MV. Geochemical and Isotope Anomalies in Sioma River Gorge, Western Tajikistan. Radiation. 2021; 1(2):145-152. https://doi.org/10.3390/radiation1020013
Chicago/Turabian StyleAbdushukurov, Djamshed A., Daler Abdusamadzoda, Octavian G. Duliu, and Marina V. Frontasyeva. 2021. "Geochemical and Isotope Anomalies in Sioma River Gorge, Western Tajikistan" Radiation 1, no. 2: 145-152. https://doi.org/10.3390/radiation1020013
APA StyleAbdushukurov, D. A., Abdusamadzoda, D., Duliu, O. G., & Frontasyeva, M. V. (2021). Geochemical and Isotope Anomalies in Sioma River Gorge, Western Tajikistan. Radiation, 1(2), 145-152. https://doi.org/10.3390/radiation1020013