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Permian 87Sr/86Sr chemostratigraphy from carbonate sequences in South China
Wen-qian Wang (王文倩)1,2,3; Claudio Garbellia1,2; Quan-feng Zheng (郑全锋)2,4; Jun Chen (陈军)5; Xin-chun Liu (刘欣春)6; Wei Wang (王伟)2,4; Shu-zhong Shen (沈树忠)1,2
2018-07-01
Source PublicationPalaeogeography, Palaeoclimatology, Palaeoecology
ISSN0031-0182
Volume500Pages:84-94
Abstract

A continuous strontium isotope profile with high-resolution sampling is desirable to calibrate multiple global events, realize temporal correlation among different continents, and understand tectonic history of the Permian Period. In this paper, we analyzed 90 micritic limestone samples from South China and 7 samples from Iran, with the aim to gain new Sr-87/Sr-86 data and obtain a curve of Sr isotopes for the Permian. The concentrations of Mg, Fe, Mn, and Sr are used to discriminate possible diagenesis of the samples. A comparison of those Sr-87/Sr-86 values between South China and southern Urals confirms that Sr-isotope proxy has the potential to be used for time calibration and correlation in regions where biostratigraphic or radiometric markers are not available. The Sr-87/Sr-86 curve obtained in this study shows a trend comparable with the LOcally WEighted Scatterplot Smoothing (LOWESS) regression curve from the previous studies. A continuous decline trend from the latest Carboniferous to late Guadalupian was shown, and the lowest Sr-87/Sr-86 values in the late Capitanian was constrained within the interval from the conodont Jinogondolella shannoni/J. altudaensis to J. xuanhanensis zones. It is followed by an increasing trend to more radiogenic values in the Lopingian with a minor fluctuation in the early Wuchiapingian. We consider that mid-ocean ridge spreading and increasing continental weathering during the transition from convergence to the breakup of Pangea as the dominant factors driving the changes of the seawater Sr isotope ratios.

KeywordStrontium Isotopes Mid-ocean Ridge Spreading Continental Weathering Paleotethys Pangea Capitanian Minimum
DOI10.1016/j.palaeo.2018.03.035
Indexed BySCI
Language英语
WOS KeywordPaleozoic Ice-age ; Double Mass Extinction ; Triassic Boundary ; Isotopic Chemostratigraphy ; Conodont Biostratigraphy ; Seawater Sr-87/sr-86 ; Paleoclimate History ; Phanerozoic Time ; Xainza Area ; Lhasa Block
WOS Research AreaPhysical Geography ; Geology ; Paleontology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS IDWOS:000432501700006
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/14006
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorShu-zhong Shen (沈树忠)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, CAS Key Lab Econ Stratig & Palaeogeog, Nanjing 210008, Jiangsu, Peoples R China
5.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou 510640, Guangdong, Peoples R China
6.Chengdu Univ Technol, Coll Geosci, State Key Lab Oil Gas Reservoir Geol & Exploitat, Chengdu 610059, Sichuan, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Wen-qian Wang ,Claudio Garbellia,Quan-feng Zheng ,et al. Permian 87Sr/86Sr chemostratigraphy from carbonate sequences in South China[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2018,500:84-94.
APA Wen-qian Wang .,Claudio Garbellia.,Quan-feng Zheng .,Jun Chen .,Xin-chun Liu .,...&Shu-zhong Shen .(2018).Permian 87Sr/86Sr chemostratigraphy from carbonate sequences in South China.Palaeogeography, Palaeoclimatology, Palaeoecology,500,84-94.
MLA Wen-qian Wang ,et al."Permian 87Sr/86Sr chemostratigraphy from carbonate sequences in South China".Palaeogeography, Palaeoclimatology, Palaeoecology 500(2018):84-94.
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