IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Response of carbon isotopic compositions of Early-Middle Permian coals in North China to palaeo-climate change
Ding, Dianshi1,2; Liu, Guijian1,2; Sun, Xiaohui1; Sun, Ruoyu3
2018
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
Volume151Issue:2018Pages:190-196
SubtypeArticle
AbstractTo investigate the magnitude to which the carbon isotopic ratio (delta C-13) varies in coals in response to their contemporary terrestrial environment, the Early-Middle Permian Huainan coals (including coals from the Shanxi Formation, Lower Shihezi Formation and Upper Shihezi Formation) in North China were systematically sampled. A 2.5 parts per thousand variation range of delta C-13 values (-25.15%o to -22.65%o) was observed in Huainan coals, with an average value of -24.06 parts per thousand. As coal diagenesis exerts little influence on carbon isotope fractionation, delta C-13 values in coals were mainly imparted by those of coal -forming flora assemblages which were linked to the contemporary climate. The delta C-13 values in coals from the Shanxi and Lower Shihezi Formations are variable, reflecting unstable climatic oscillations. Heavy carbon isotope is enriched in coals of the Capitanian Upper Shihezi Formation, implying a shift to high positive delta C-13 values of coeval atmospheric CO2. Notably, our study provides evidence of the Kamura event in the terrestrial environment for the first time.
KeywordCoal Carbon Isotope Permian Huainan Coalfield Palaeo-climate Kamura Event
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.jseaes.2017.10.043
WOS KeywordPLANT ORGANIC-MATTER ; C3 PLANTS ; MIOCENE ; RECORD ; BASIN ; SEAM ; GEOCHEMISTRY ; PALEOECOLOGY ; INDICATORS ; QUEENSLAND
Indexed BySCI
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000418974400014
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5245
Collection黄土与第四纪地质国家重点实验室(2010~)
Affiliation1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Inst Earth Environm, Xian 710075, Shaanxi, Peoples R China
3.Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin 300350, Peoples R China
Recommended Citation
GB/T 7714
Ding, Dianshi,Liu, Guijian,Sun, Xiaohui,et al. Response of carbon isotopic compositions of Early-Middle Permian coals in North China to palaeo-climate change[J]. JOURNAL OF ASIAN EARTH SCIENCES,2018,151(2018):190-196.
APA Ding, Dianshi,Liu, Guijian,Sun, Xiaohui,&Sun, Ruoyu.(2018).Response of carbon isotopic compositions of Early-Middle Permian coals in North China to palaeo-climate change.JOURNAL OF ASIAN EARTH SCIENCES,151(2018),190-196.
MLA Ding, Dianshi,et al."Response of carbon isotopic compositions of Early-Middle Permian coals in North China to palaeo-climate change".JOURNAL OF ASIAN EARTH SCIENCES 151.2018(2018):190-196.
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