Abstract
In different opinions, the stratigraphic time of the feathered dinosaurs and early birds in Sihetun and its neighboring areas in Beipiao, western Liaoning is appointed to different epoches of eras, such as Late Jurassic, Early Cretaceous and Late Jurassic-Early Cretaceous. Even the recently dating data are still very different. This note first reported the U-Pb age of (125.2±0.9) Ma of zircon separated from tuff of Sihetun vertebrates horizon. The age reveals that Sihetun vertebrate belongs to Early Cretaceous. The method is more objective, because of the strong ability of disturbance resistance and high U-Pb blocking temperature of zircons.
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Hou, L. H., Zhou, Z. H., Martin, C. D. et al., A beaked bird from the Jurassic of China, Nature, 1995, 377: 616.
Chen, P. J., Dong, Z. M., Zhen, S. N., An exceptionally well-preserved theropod dinosaur from the Yixian Formation of China, Nature, 1998, 391: 147.
Ji, Q., Currie, P. J., Norell, M. A. et al., Two feathered dinosaurs from northeastern China, Nature, 1998, 393: 753.
Wang, X. L., Wang, Y. Q., Wang, Y. et al., Stratigraphic sequence and vertebrate-bearing beds of the lower part of the Yixian Formation in Sihetun and neighboring area, western Liaoning, China, Vertebrata PalAsiatic (in Chinese with English abstract), 1998, 36(2): 81.
Wang, X. L., Wang, Y. Q., Zhou, Z. H. et al., Vertebrate faunas and biostratigraphy of the Jehol Group in western Liaoning, China, Vertebrate PalAsiatic, 2000, 38 (suppl.): 41.
Hou Lianhai, Chen Peiji,Liaoxiornis delicatus gen. et sp. Nov., the smallest Mesozoic bird, Chinese Science Bulletin, 1999, 44(9): 834.
Gu, Z. W., The Jurassic and Cretaceous of China (in Chinese), Beijing: Scince Press. 1962, 1–18.
Li, Z. S., Wang, S. E., Yu, J. S. et al., On the classification of the Upper Jurassic in North China and its bearing on the Jura-Cretaceous boundary, Acta Geol. Sin. (in Chinese with English abstract), 1982, 56(4): 347.
Hao, T. C., Su, D. Y., Li, Y. G. et al., Stratigraphic division of non-marine Cretaceous and the Jura-Cretaceous boundary in China Acta Geol. Sin. (in Chinese with English abstract), 1982, 56(3): 187.
Li, P. X., Su, D. Y., Li, Y. G. et al., The chronostratigraphic status of the Lycoptera-bearing bed, Acta Geol. Sin. (in Chinese with English abstract), 1994, 68(1): 87.
Sha, J., Fursich, F. T., Biostratigraphy of the Upper Jurassic-Lower Cretaceous bivalvesBuchia andAucellina of eastern Heilongjiang, northeast China, Geol. Mag., 1993, 130(4): 533.
Ren, D., Guo, Z., Lu, L. et al., A further contribution to the knowledge of the Upper Jurassic Yixian Formation in western Liaoning, Geol. Rev. (in Chinese with English abstract), 1997, 43(5): 449.
Sun, G., Dilcher, D. L., Zheng, S. L. et al., In search of the first flower: A Jurassic angiosperm,Archaefructus, from northeast China, Science, 1998, 282: 1693.
Wang, X. L., Wang, Y. Q., Jin, F. et al., The Sihetun fossil vertebrate assemblage and its geological setting of western Liaoning, China,Palaeoworld (in Chinese with English abstract), 1999(11): 310.
Xu, X., Tang, Z. L., A therizinosaurid dinosaur with integumentary structures from China, Nature, 1999, 399: 350.
Hu, Y. M., Wang, Y. Q., Li, C. K., A new symmetrodont mammal from China and its implications for mammalian evolution, Nature, 1997, 390: 137.
Wang, D. F., Diao, N. C., Geochronology of Jura-Cretaceous volcanics in west Liaoning, China, Scientific Paper on Geology for International Exchange 1 (in Chinese with English abstract), Bei jing: Geological Publishing House, 1984, 1–12
Chen, Y. X., Chen, W. J., Cenozoic Volcanic Rocks of West Liaoning and Its Adjacent Area-Geochronology, Geochemistry and Tectonic Setting (in Chinese with English abstract), Beijing: Seismology Press, 1997, 106–163.
Smith, P. E., Evensen, N. M., York, D. et al., Dates and rates in ancient lakes:40Ar-39Ar evidence for an early Cretaceous age for the Jehol Group, northeast China, Can. J. Earth Sci., 1995, 32: 1426.
Swisher, C. C., Wang, Y. Q., Wang, X. L. et al., Cretaceous age of the featherod dinosaurs of Liaoning, China, Nature, 1999, 400: 58.
Lo, C. H., Chen, P. J., Tsou, T. Y. et al., Age of Sinosauropteryx and Confusornis-40Ar/39Ar laser single-grain and K-Ar dating of the Yixian Formation, NE China, Geochimica (in Chinese), 1999, 28(4): 405.
Lo, C. H., Chen, P. J., Tsou, T. Y. et al., 40Ar/39Ar laser single-grain and K-Ar dating of the Yixian Formation, NE China, Palaeoworld, 1999(11): 328.
Lu, S. N., Li, H. M., A precise U-Pb single zircon age determination for the volcanics of Dahongyu Formation, Changcheng System in Jixian, Bull. Chi. Acat. Geol. Sci. (in Chinese), 1991, 22: 137.
Odin, G. S., Galbrum, B., Renard, M., Physic-chemical tool in Jurassic stratigraphy, Phanerozoic Time Scale, Bull. Liais. Inform. IUGS Subcomm. Geochron., 1992, 10: 39.
Harland, W. B., Cox, A. V., Llewellyn, P. G. et al., A Geological Time Scale, London: Cambridge University Press, 1982, 4–94.
Gradstein, F. M., Agtrberg, F. P., Ogg, J. G. et al., A Triassic, Jurassic and Cretaceous time scale (eds. Berggren, W. A., Kent, D. V., Aubry, M. P. er al.), Geochronology Time Scale and Global Stratigraphic Correlation, SEPM Spec Publ., 1995, 54: 95.
The Working Group on tne Geological Time Scale of China, MGMR, A Geological Time Scale of China (in Chinese), Beiling: Geological Publishing House, 1987, 92–105.
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Wang, S., Wang, Y., Hu, H. et al. The existing time of Sihetun vertebrate in western Liaoning, China. Chin.Sci.Bull. 46, 779–782 (2001). https://doi.org/10.1007/BF03187222
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DOI: https://doi.org/10.1007/BF03187222