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Chlorine isotopes in sediments of the Qarhan Playa of China and their paleoclimatic significance
Chongguang Luo; Hanjie Wen; Yingkai Xiao; Haizhou Ma; Qishun Fan; Yunqi Ma; Yanling Zhang; Xiuqun Yang; Maoyong He
2016
Source PublicationChemie der Erde - Geochemistry
Volume76Issue:1Pages:149-156
AbstractThis study presents chlorine isotopic composition of salt deposits recovered in a core from the Qarhan Saline Lake in the Qinghai Province of China. The delta Cl-37 trend has three stages, and they correspond to the upper, middle, and lower salt-bearing groups of the entire evaporite system. The delta Cl-37 values are between -0.22 parts per thousand and 0.13 parts per thousand with an average value of -0.02 parts per thousand in the lower salt-bearing group. It ranges between 0.14 parts per thousand and 0.76 parts per thousand ((x) over bar=-0.36 parts per thousand) in the middle salt-bearing group, and varies between -0.35 parts per thousand to 0.35 parts per thousand ((x) over bar = -0.04 parts per thousand) in the upper salt-bearing group. This work indicates that stratification of delta Cl-37 values is accompanied by stratigraphic variations in Mg/Cl and K/Cl in halite. We suggest a "evaporation cycles model" and it indicates the potential of Cl isotope as a geochemical tracer in order to understand paleoclimatic conditions during different stages of evaporite deposition.
KeywordChlorine Isotope Qarhan Playa Brine Salt Deposit China
Subject Area矿床地球化学
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/6492
Collection矿床地球化学国家重点实验室_矿床地球化学国家重点实验室_期刊论文
Recommended Citation
GB/T 7714
Chongguang Luo,Hanjie Wen,Yingkai Xiao,et al. Chlorine isotopes in sediments of the Qarhan Playa of China and their paleoclimatic significance[J]. Chemie der Erde - Geochemistry,2016,76(1):149-156.
APA Chongguang Luo.,Hanjie Wen.,Yingkai Xiao.,Haizhou Ma.,Qishun Fan.,...&Maoyong He.(2016).Chlorine isotopes in sediments of the Qarhan Playa of China and their paleoclimatic significance.Chemie der Erde - Geochemistry,76(1),149-156.
MLA Chongguang Luo,et al."Chlorine isotopes in sediments of the Qarhan Playa of China and their paleoclimatic significance".Chemie der Erde - Geochemistry 76.1(2016):149-156.
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