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DOI10.1016/j.earscirev.2020.103412
Progress, problems and prospects: An overview of the Guadalupian Series of South China and North America
Shen S.-Z.; Yuan D.-X.; Henderson C.M.; Wu Q.; Zhang Y.-C.; Zhang H.; Mu L.; Ramezani J.; Wang X.-D.; Lambert L.L.; Erwin D.H.; Hearst J.M.; Xiang L.; Chen B.; Fan J.-X.; Wang Y.; Wang W.-Q.; Qi Y.-P.; Chen J.; Qie W.-K.; Wang T.-T.
发表日期2020
ISSN0012-8519
卷号211
英文摘要The Guadalupian Epoch is marked by the formation of the Pangean supercontinent, global sea-level change, rifting and drifting of the Cimmerian continents, formation of large igneous provinces and dramatic biotic changes. A high-resolution biostratigraphic, chemostratigraphic and high-precision geochronologic framework of this critical transition is fundamental to understanding these events. Extensive studies of the latest Cisuralian and Guadalupian Series in both South China and North America reveal the same conodont lineages, but the conodont interval zones based on Jinogondolella within the Guadalupian Series are slightly diachronous. High-precision U-Pb geochronological studies (CA-ID-TIMS method) calibrate the base of the Guadalupian Series (base Roadian) at 273.01 ± 0.14 Ma. A previously reported age from an ash bed overlying the Emeishan flood basalts, 259.51 ± 0.21 Ma, is adopted for the Guadalupian/Lopingian boundary (GLB). Based on recently published geochronology and Bayesian age modeling from the Guadalupian Series, the base of the Capitanian is constrained at 264.28 ± 0.16 Ma and the base of the Wordian is interpolated to be 266.9 ± 0.4 Ma. The Illawarra Reversal is of early-middle Wordian age. Both North America and South China possess a distinct negative δ13Ccarb excursion of 3-5‰ at the latest Kungurian and early Roadian (LK-ER CIE), which coincides with the early stages of a significant 3rd order sea-level rise. The large end-Guadalupian δ13Ccarb negative excursion may have been affected by post-depositional diagenesis or a warming event associated with the Emeishan volcanism. The 87Sr/86Sr ratios in both regions declined from the latest Kungurian to the late Capitanian, but have different ratios and reveal several fluctuations in the middle Guadalupian. Measured δ18Oapatite values suggest that the Delaware Basin was 3-4°C cooler than the eastern Yangtze Block. Analysis of a new high-resolution database of marine taxa indicates only a minor pre-Lopingian diversity drop from 261.04 Ma to 259.98 Ma, which coincides with the peak Emeishan volcanism. The widely-perceived “end-Guadalupian mass extinction” in North America is evidently masked by, and possibly an artefact of, a stratigraphic truncation effect due to rapid lithofacies changes from limestone to laminated evaporites with the closure of the west Texas basins. © 2020 Elsevier B.V.
英文关键词Biostratigraphy; Chemostratigraphy; Conodonts; Guadalupian; North America; South China
语种英语
scopus关键词biostratigraphy; chemostratigraphy; conodont; depositional environment; Guadalupian; lithofacies; mass extinction; new taxon; sea level change; China; Delaware Basin; Permian Basin; United States; Yangtze Platform
来源期刊EARTH-SCIENCE REVIEWS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/209448
作者单位State Key Laboratory for Mineral Deposits Research and School of Earth Sciences and Engineering, Nanjing University, 163 Xianlin Avenue, Nanjing, 210023, China; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing, 210008, China; Department of Geoscience, University of Calgary, Calgary, AB T2N 1N4, Canada; Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, United States; Department of Geological Sciences, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249, United States; Department of Paleobiology, MRC-121, National Museum of Natural History, Washington, D.C., 20013-7012, United States; Guadalupe Mountains National Park, Salt Flat, TX 79847, United States; State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangz...
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Shen S.-Z.,Yuan D.-X.,Henderson C.M.,et al. Progress, problems and prospects: An overview of the Guadalupian Series of South China and North America[J],2020,211.
APA Shen S.-Z..,Yuan D.-X..,Henderson C.M..,Wu Q..,Zhang Y.-C..,...&Wang T.-T..(2020).Progress, problems and prospects: An overview of the Guadalupian Series of South China and North America.EARTH-SCIENCE REVIEWS,211.
MLA Shen S.-Z.,et al."Progress, problems and prospects: An overview of the Guadalupian Series of South China and North America".EARTH-SCIENCE REVIEWS 211(2020).
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