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Ordovician seawater composition: evidence from fluid inclusions in halite

文献类型：期刊论文

作者Meng, Fanwei1; Zhang, Yongsheng2; Galamay, Anatoliy R.3; Bukowski, Krzysztof4; Ni, Pei5; Xing, Enyuan2; Ji, Limin6
刊名GEOLOGICAL QUARTERLY
出版日期2018
卷号62期号:2页码:344-352
关键词Ordovician fluid inclusions halite seawater composition calcite sea
ISSN号1641-7291
DOI10.7306/gq.1409
文献子类Article
英文摘要Fluid inclusions in halite can directly record the major composition of evaporated seawater; however, Ordovician halite is very rare. The Ordovician is a key time during the evolution history because profound changes occurred in the planet's ecosystems. Marine life was characterized by a major diversification, the Great Ordovician Biodiversification Event and the Late Ordovician Mass Extinction, the first of the "big five" mass extinctions. However, so far there is no data on the Ordovician seawater. Data from the Ordovician -Silurian boundary were available only. In this study, we report the major compositions from Middle Ordovician halite in China to give the exact composition of Ordovician seawater. The basic ion composition OK', Mg2+, Ca2+, and SO2-) of inclusion brines was established with the use of ultramicrochemical analysis. The data on the chemical composition of the brines in the primary inclusions indicated that the brines were of Na-K-Mg-Ca-CI (Ca -rich) type, and cover a huge gap in the evolution of seawater chemistry. The chemical composition of the primary inclusion brine in halite confirmed the earlier results for the Cambrian and Silurian halite originating from other salt basins and the previous speculation of "calcite sea" during the Ordovician, indicating a higher potassium content in the Lower Paleozoic seawater than in the seawater of other periods of the Phanerozoic.
WOS关键词IONIZATION MASS-SPECTROMETRY ; MAJOR-ION COMPOSITION ; PALO-DURO BASIN ; ORDOS BASIN ; CHEMICAL-COMPOSITION ; CHLORINE ISOTOPES ; SECULAR VARIATION ; BRINE INCLUSIONS ; SALT DEPOSITION ; CHEMISTRY
WOS研究方向Geology
语种英语
WOS记录号WOS:000439857900008
出版者POLISH GEOLOGICAL INST
资助机构National Natural Science Foundation of China(41473039 ; National Natural Science Foundation of China(41473039 ; AGH(11.11.140.320) ; AGH(11.11.140.320) ; Bureau of International Co-operation, Chinese Academy of Sciences ; Bureau of International Co-operation, Chinese Academy of Sciences ; 4151101015) ; 4151101015) ; National Natural Science Foundation of China(41473039 ; National Natural Science Foundation of China(41473039 ; AGH(11.11.140.320) ; AGH(11.11.140.320) ; Bureau of International Co-operation, Chinese Academy of Sciences ; Bureau of International Co-operation, Chinese Academy of Sciences ; 4151101015) ; 4151101015) ; National Natural Science Foundation of China(41473039 ; National Natural Science Foundation of China(41473039 ; AGH(11.11.140.320) ; AGH(11.11.140.320) ; Bureau of International Co-operation, Chinese Academy of Sciences ; Bureau of International Co-operation, Chinese Academy of Sciences ; 4151101015) ; 4151101015) ; National Natural Science Foundation of China(41473039 ; National Natural Science Foundation of China(41473039 ; AGH(11.11.140.320) ; AGH(11.11.140.320) ; Bureau of International Co-operation, Chinese Academy of Sciences ; Bureau of International Co-operation, Chinese Academy of Sciences ; 4151101015) ; 4151101015)
源URL[http://ir.iggcas.ac.cn/handle/132A11/88139]  
专题地质与地球物理研究所_兰州油气中心
通讯作者Bukowski, Krzysztof
作者单位1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Paleobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Geol Sci, Inst Mineral Resources, Beijing 100037, Peoples R China
3.Natl Acad Sci Ukraine, Inst Geol & Geochem Combustible Minerals, Naukowa 3A, UA-79060 Lvov, Ukraine
4.AGH Univ Sci & Technol, Fac Geol Geophys & Environm Protect, Al A Mickiewicza 30, PL-30059 Krakow, Poland
5.Nanjing Univ, Inst Geofluid Res, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R China
6.Chinese Acad Sci, Inst Geol & Geophys, Lanzhou Ctr Oil & Gas Resources, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式
GB/T 7714		 Meng, Fanwei,Zhang, Yongsheng,Galamay, Anatoliy R.,et al. Ordovician seawater composition: evidence from fluid inclusions in halite[J]. GEOLOGICAL QUARTERLY,2018,62(2):344-352.
APA Meng, Fanwei.,Zhang, Yongsheng.,Galamay, Anatoliy R..,Bukowski, Krzysztof.,Ni, Pei.,...&Ji, Limin.(2018).Ordovician seawater composition: evidence from fluid inclusions in halite.GEOLOGICAL QUARTERLY,62(2),344-352.
MLA Meng, Fanwei,et al."Ordovician seawater composition: evidence from fluid inclusions in halite".GEOLOGICAL QUARTERLY 62.2(2018):344-352.

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来源：地质与地球物理研究所

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