ISL OpenIR  > 青海盐湖研究所知识仓储
Origin of Boron and Brine Evolution in Saline Springs in the Nangqen Basin, Southern Tibetan Plateau
Han, Ji-long1,2,3; Han, Feng-qing1,3; Hussain, Syed-Asim2,3; Liu, Wen-yu2; Nian, Xiu-qing2; Mao, Qing-fei2
2018
Source PublicationGEOFLUIDS
SubtypeArticle
AbstractThe Nangqen Basin is a typical shearing-extensional basin situated in the hinterland of the Tibetan Plateau. It contains abundant saline spring resources and abnormal trace element enrichments. The hydrochemical molar ratios (Na/Cl, B/Cl, and Br/Cl), H-O isotopes, and B isotopes of the saline spring were systematically measured to describe the evolution of brines and the origin of the boron. The sodium chloride coefficient of the water samples in this area is around 1.0 or slightly greater, which is characteristic of leached brines; the highest B/Cl value is 4.25 (greater than that of seawater). The Na/Cl, B/Cl, and Br/Cl values of the springs are clear indicators of a crustal origin. The delta O-18 values of the spring waters range from -12.88 parts per thousand to -16.05 parts per thousand, and the delta D values range from -100.91 parts per thousand to -132.98 parts per thousand. Meanwhile the B content and B isotopes in the saline springs are in the ranges of 1.00 to 575.56 ppm and +3.55 parts per thousand to + 29.59 parts per thousand, respectively. It has been proven that the saline springs in the Nangqen Basin are a type of leached brine, suggesting that the saline springs have a terrestrial origin. The delta B-11-B characteristics of the springs are similar to those observed in the Tibetan geothermal area, indicating that these two places have the same B source. Moreover, they have a crustal origin (marine carbonate rocks and volcanic rocks) instead of a deep mantle source.
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordISOTOPIC COMPOSITION ; QAIDAM BASIN ; PH PROXY ; CONTINENTAL-CRUST ; MARINE CARBONATES ; QINGHAI PROVINCE ; NATURAL-WATERS ; SALT LAKES ; GEOCHEMISTRY ; GROUNDWATER
Indexed BySCI
Language英语
WOS Research AreaGeochemistry & Geophysics ; Geology
WOS SubjectGeochemistry & Geophysics ; Geology
WOS IDWOS:000424436700001
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6415
Collection青海盐湖研究所知识仓储
盐湖地质与环境实验室
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Qinghai, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Geol & Environm Qinghai Prov, Xining 810008, Qinghai, Peoples R China
Recommended Citation
GB/T 7714
Han, Ji-long,Han, Feng-qing,Hussain, Syed-Asim,et al. Origin of Boron and Brine Evolution in Saline Springs in the Nangqen Basin, Southern Tibetan Plateau[J]. GEOFLUIDS,2018.
APA Han, Ji-long,Han, Feng-qing,Hussain, Syed-Asim,Liu, Wen-yu,Nian, Xiu-qing,&Mao, Qing-fei.(2018).Origin of Boron and Brine Evolution in Saline Springs in the Nangqen Basin, Southern Tibetan Plateau.GEOFLUIDS.
MLA Han, Ji-long,et al."Origin of Boron and Brine Evolution in Saline Springs in the Nangqen Basin, Southern Tibetan Plateau".GEOFLUIDS (2018).
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