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Molar-tooth Carbonate Sequences and Sr Isotopes in the Neoproterozoic for Stratigraphic Correlation: Research in the Jilin-Liaoning-Xuzhou-Huaiyang Area of the Sino-Korean Plate and Its Correlation with the Yangtze Plate |
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| Authors: | MENG Xianghu GE Ming LIU Yanxue KUANG Hongwei LIU Weifu Francoise G BOURROUILH-LE JAN and Robert BOURROUILH Institute of Sedimentary Basins China University of Geosciences Beijing Chinese Academy of Geological Sciences Beijing |
| Institution: | MENG Xianghu,GE Ming,LIU Yanxue,KUANG Hongwei,LIU Weifu,Francoise G. BOURROUILH-LE JAN and Robert BOURROUILH Institute of Sedimentary Basins,China University of Geosciences,Beijing Chinese Academy of Geological Sciences,Beijing Department of Geophysics,Yangzi University,Jingzhou,Hubei Laboratoire Cibamar,Universite Bordeaux,Avenue des Facultes,TALENCE Cedex,France |
| Abstract: | Based on a study of Neoproterozoic carbonates in the Jilin-Liaoning-Xuzhou-Huaiyang area, especially its cyclic sequence stratigraphy and Sr isotopes, two maximum sea flooding events (at 820 Ma and 835 Ma) have been identified. The resulting isochronous stratigraphic correlation proves that these Precambrian strata were connected between the Qingbaikou and the Nanhuan systems with a time range from 750 Ma to 850 Ma. The disappearance of microsparite carbonate and coming of a glacial stage offer important evidence for worldwide stratigraphic correlation and open a window for further correlation of the stratigraphic successions across the Sino-Korean and Yangtze Plates. A new correlation scheme is therefore provided based on our work. |
| Keywords: | microspar (molar-tooth) carbonates Proterozoic sequence Sr isotopes genetic strata |
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