| Stable chlorine isotopes in saline springs from the Nangqen basin, Qinghai-Tibet Plateau Brine genesis and evolution | |
Han, Ji-Long ; Hussain, Syed-Asim; Han, Feng-Qing
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| 2019-10 | |
| 发表期刊 | JOURNAL OF EARTH SYSTEM SCIENCE
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| ISSN | 2347-4327 |
| 卷号 | 128期号:8 |
| 摘要 | Chlorine isotopes can be used to study the evolution of different fluids, sources and the causes of various related deposits. In this study, Cl concentrations and chlorine isotope (delta Cl-37, IAEA ISL-354 NaCl standard) values were determined for brine samples from Nangqen basin, located on the southern boundary of the Qinghai-Tibet plateau to study the source and the processes of these saline springs. The results demonstrated that the saline springs are distributed around a fault or fault zone, with a high average salinity of 228.30g/l and flow rates ranging from 1.7 to 0.01l/s. Na+ and Cl- are the predominant cations and anions, respectively, accounting for more than 90% of the total. The delta Cl-37 values range from -1.55 parts per thousand to +0.97 parts per thousand, and the Cl/Br ratios are from 1739 to 175,260. Coupled with the previous H, O and B isotope compositions (delta D, VSMOW2 standard, ranges from -100.91 parts per thousand to -132.98 parts per thousand, delta O-18, VSMOW2 standard, from -12.88 parts per thousand to -16.05 parts per thousand and delta B-11, NIST 951 standard, from +3.55 parts per thousand to +29.59 parts per thousand), it can be interpreted that the saline springs are mainly the result of the dissolution of halite hosted in mudstone and volcanic country rocks. |
| DOI | 10.1007/s12040-019-1236-0 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.isl.ac.cn/handle/363002/34045 |
| 专题 | 盐湖地质与环境实验室 中国科学院青海盐湖研究所 |
| 推荐引用方式 GB/T 7714 | Han, Ji-Long,Hussain, Syed-Asim,Han, Feng-Qing. Stable chlorine isotopes in saline springs from the Nangqen basin, Qinghai-Tibet Plateau Brine genesis and evolution[J]. JOURNAL OF EARTH SYSTEM SCIENCE,2019,128(8). |
| APA | Han, Ji-Long,Hussain, Syed-Asim,&Han, Feng-Qing.(2019).Stable chlorine isotopes in saline springs from the Nangqen basin, Qinghai-Tibet Plateau Brine genesis and evolution.JOURNAL OF EARTH SYSTEM SCIENCE,128(8). |
| MLA | Han, Ji-Long,et al."Stable chlorine isotopes in saline springs from the Nangqen basin, Qinghai-Tibet Plateau Brine genesis and evolution".JOURNAL OF EARTH SYSTEM SCIENCE 128.8(2019). |
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