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Chinese Science Bulletin

, Volume 51, Issue 21, pp 2634–2644 | Cite as

U-Pb zircon age for the Daohugou Biota at Ningcheng of Inner Mongolia and comments on related issues

  • Liu Yongqing 
  • Liu Yanxue 
  • Ji Shu’an 
  • Yang Zhiqing 
Articles

Abstract

SHRIMP U-Pb zircon dating was carried out for the Daohugou Biota near Ningcheng of Inner Mongolia and for lavas overlying or underlying salamander-bearing strata at Reshuitang in Lingyuan of West Liaoning. The results suggest that the Daohugou Biota occurred at an interval from 168 Ma to 164–152 Ma. Both the Daohugou Biota and the salamander-bearing fossil assemblage are the same biota and thus developed from 168 to 152 Ma, i.e. from late Middle Jurassic to the early Late Jurassic. The Daohugou Biota-bearing rocks, resting on the Jiulongshan Formation in disconformity and being overlain in unconformity by Late Jurassic Tuchengzi Formation and Early Cretaceous rocks containing the Jehol Biota, are mainly composed of volcanic-sedimentary rocks in a normal sequence. It is recommended that the Daohugou Biota and the related stratigraphy should be correlated with the Tiaojishan Formation (Lanqi Formation in West Liaoning) or its synchronous rocks. It is suggested that the Daohugou Biota and the Jehol Biota would be neither taken into one biota nor considered as the earliest elements of the Jehol Biota. The Daohugou Biota and the related rocks and the Yixian Formation were respectively formed in different periods of volcanic-sedimentary tectonics.

Keywords

Daohugou Biota U-Pb zircon dating comment related issues 

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References

  1. 1.
    Wang X L, Wang Y Q, Zhang F C, et al. Vertebrate biostratigraphy of the Lower Cretaceous Yixian Formation in Lingyuan, Western Liaoning and its neighboring southern Nei Mongol (Inner Mongolia), China. Vert Pal Asiat (in Chinese with English abstract), 2000, 38(2): 81–99Google Scholar
  2. 2.
    Wang X L, Zhou Z H. Stratigraphy and age of the Daohugou Bed in Ningcheng, Inner Mongolia. Chin Sci Bull, 2005, 50(19): 2127–2133Google Scholar
  3. 3.
    Wang Y. A new salamander (Amphibia: Caudata) from the Early Cretaceous Jehol Biota. Vert Pal Asiat, 2000, 38(2): 100–103Google Scholar
  4. 4.
    Wang Y. A new Mesozoic caudate (Liaoxitriton daohugouensis sp. nov.) from Inner Mongolia, China. Chin Sci Bull, 2004, 49(8): 858–860CrossRefGoogle Scholar
  5. 5.
    Shen Y B, Chen P J, Huang D Y. Age of fossil conchostracans from Daohugou of NIngcheng, Inner Mongolia. J Stratig (in Chinese with English abstract), 2003, 27(4): 311–313Google Scholar
  6. 6.
    Ren D, Gao K Q, Guo Z G, et al. Stratigraphic division of the Jurassic in the Daohugou area, Ningcheng, Inner Mongolia. Geol Bull Chin (in Chinese with English abstract), 2002, 21(8–9): 584–591Google Scholar
  7. 7.
    Ji Q, Yuan C X. Discovery of two kinds of protofeathered pterosaurs in the Mesozoic Daohugou Biota in the Ningcheng region and its stratigraphic and biologic significances. Geol Rev (in Chinese with English abstract), 2002, 48(2): 221–224Google Scholar
  8. 8.
    Zhang J F. Discovery of Daohugou Biota (pre-Jehol Biota) with a discussion on its geological age. J Stratig (in Chinese with English abstract), 2002, 26(3): 173–177Google Scholar
  9. 9.
    Liu Y Q, Jin X C. Mesozoic biota-bearing depositional successions in the Lingyuan basin Western Liaoning, and their ages: a discussion. Geol Bull Chin (in Chinese with English abstract), 2002, 21(8–9): 592–595Google Scholar
  10. 10.
    Gao K Q, Shubin N. Late Jurassic salamanders from Northern China. Nature, 2001, 410: 574–577CrossRefGoogle Scholar
  11. 11.
    Gao K Q, Shubin N. Earliest known crown-group salamanders. Nature, 2003, 422: 424–428CrossRefGoogle Scholar
  12. 12.
    Chen W, Ji Q, Liu D Y, et al. Isotope geochronology of the fossil-bearing beds in the Daohugou area, Ningcheng, Inner Mongolia. Geol Bull Chin (in Chinese with English abstract), 2004, 23(12): 1166–1169Google Scholar
  13. 13.
    Liu Y Q, Liu Y X, Zhang H, et al. Daohugou biota-bearing lithostratigraphic succession on the southeastern margin of the Ningcheng basin. Geol Bull Chin (in Chinese with English abstract), 2004, 23(12): 1181–1187Google Scholar
  14. 14.
    Liu Y Q, Liu Y X. Comment on 40Ar/39Ar dating of ignimbrite from Inner Mongolia, northeastern China, indicates a post-Middle Jurassic age for the overlying Daohugou Bed” by He H Y et al. Geophys Res Lett, 2005, 32: L12314Google Scholar
  15. 15.
    Yang W, Li S G. The chronological framework of the Mesozoic volcanic rocks of Western Liaoning and its implications for the Mesozoic lithosphere thinning in Eastern China. In: Petrol Comm of Chin Soc for Geol, ed. Abstracts of Symposium on National Petrology and Continental Geodynamics, Haikou, China (in Chinese), 2004. 326Google Scholar
  16. 16.
    He H Y, Wang X L, Zhou Z H, et al. 40Ar/39Ar dating of ignimbrite from Inner Mongolia, northeastern China, indicates a post-Middle Jurassic age for the overlying Daohugou Bed. Geophys Res Lett, 2005, 31: L20609Google Scholar
  17. 17.
    He H Y, Wang X L, Zhou Z H, et al. Reply to comment by Liu and Liu on 40Ar/39Ar dating of ignimbrite from Inner Mongolia, northeastern China, indicates a post-Middle Jurassic age for the overlying Daohugou Bed”. Geophys Res Lett, 2005, 32: L12315Google Scholar
  18. 18.
    Ji Q, Liu Y Q, Chen W, et al. On the geological age of the Daohugou Biota. Geol Rev (in Chinese with English abstract), 2005, 48(2): 221–224Google Scholar
  19. 19.
    Song B, Zhang Y H, Wan Y S, et al. The mount making for and the procedure of SHRIMP dating. Geol Rev (in Chinese with English abstract), 2002, 48(suppl): 26–30Google Scholar
  20. 20.
    Gradstein F M, Ogg J G, Smith A G, et al. A new geologic time scale with special reference to Precambrian and Neogene. Episodes, 2004, 272: 83–100Google Scholar
  21. 21.
    Swisher C C, Wang X L, Zhou Z H, et al. New evidence of the Yixian Formation isotopic ages and the Tuchengzi Formation 40Ar/39Ar. Chin Sci Bull, 2002, 46(23): 2009–2012Google Scholar
  22. 22.
    Zhao Y, Zhang S H, Xu G, et al. The Jurassic major tectonic events of the Yanshan intraplate deformation belt. Geol Bull Chin (in Chinese with English abstract), 2004, 23(9–10): 854–863Google Scholar
  23. 23.
    Davis G A, Darby B J, Zheng Y D, et al. Mesozoic tectonic evolution oh the Yanshan fold and thrust belt, with emphasis on Hebei and Liaoning Provinces, Northern China. GSA Memoir, 2001, 194: 171–197Google Scholar
  24. 24.
    Zhang H, Yuan H L, Hu Z C, et al. U-Pb zircon dating of Mesozoic volcanic strata in Luanping of North Hebei and its significance. Earth Science—J China Univ Geos (in Chinese with English abstract), 2005, 30(6): 707–720Google Scholar
  25. 25.
    Zhang L J, Wang L X. Mesozoic salamander fossil-bearing strata in Reshuitang area near Lingyuan, Western Liaoning. Geol Resour (in Chinese with English abstract), 2004, 13(4): 202–206Google Scholar
  26. 26.
    Czerkas S A, Ji Q. A new rhamphorhynchoid with a headcrest and complex integumentary structures. In: Czerkas S J, ed. Feathered Dinosaurs and the Origin of Flight. The Dinosaur Museum of Blanding Journal, 2002, 1: 15–41Google Scholar
  27. 27.
    Wang X L, Zhou Z, Zhang F, et al. A nearly completely articulated rhamphorhynchoid pterosaur with exceptionally well preserved wing membranes and “hairs” from Inner Mongolia, northeast China. Chin Sci Bull, 2002, 47(1): 54–58Google Scholar
  28. 28.
    Zhang F C, Zhou Z H, Xu X, et al. A juvenile coelurosaurian theropod from China indicates arboreal habits. Naturwissenschaften, 2002, 89: 394–398CrossRefGoogle Scholar
  29. 29.
    Xu X, Zhang F C. A new maniraptoran dinosaur from China with long feathers on the metatarsus. Naturwissenschaften, 2005, 92(4): 173–177CrossRefGoogle Scholar
  30. 30.
    Unwin D M, Bakhurina N N. Pterosaurs from Russia, Middle Asia and Mongolia. In: Benton M J, Shiskin M, Unwin D M, et al, eds. The age of Dinosaurs in Russia and Mongolia. Cambridge: Cambridge University Press, 2000. 420–433Google Scholar
  31. 31.
    Wellnhofer P. The Illustrated Encyclopedia of Pterosaurs. London: Salamander Books Limited, 1991. 1–191Google Scholar
  32. 32.
    Ji S A, Ji Q. A new fossil pterosaur (Rhamphorhynchoidea) from Liaoning. Jiangsu Geol (in Chinese), 1998, 22(4): 199–206Google Scholar
  33. 33.
    Ji S A, Ji Q, Padian K. Biostratigraphy of new pterosaurs from China. Nature, 1999, 398: 563–574CrossRefGoogle Scholar
  34. 34.
    Unwin D M, Lü J C, Bakhurina N N. On the systematic and stratigraphic significance of pterosaurs from the Lower Cretaceous Yixian Formation (Jehol Group) of Liaoning, China. Mitteilungen Museum für Naturkunde Berlin, Geowissenschaftlichen, 2000, Reihe 3: 181–206Google Scholar
  35. 35.
    Wang X L, Lü J C. Discovery of a pterodactylid pterosaur from the Yixian Formation of western Liaoning, China. Chin Sci Bull, 2001, 46(13): 1112–1117CrossRefGoogle Scholar
  36. 36.
    Ji S A, Ji Q. Discovery of a new Pterosaur from Western Liaoning. Acta Geol Sin (in Chinese with English abstract), 1997, 71(1): 1–6Google Scholar
  37. 37.
    Niu B G, He Z J, Song B, et al. SHRIMP Geochronology of volcanics of Zhangjiakou. Geol Bull Chin (in Chinese with English abstract), 2003, 22(2): 140–141Google Scholar

Copyright information

© Science in China Press 2006

Authors and Affiliations

  • Liu Yongqing 
    • 1
    • 2
  • Liu Yanxue 
    • 1
  • Ji Shu’an 
    • 1
  • Yang Zhiqing 
    • 1
    • 3
  1. 1.Institute of GeologyChinese Academy of Geological SciencesBeijingChina
  2. 2.Key Laboratory of Insect Evolution and Environmental ChangesCapital Normal UniversityBeijingChina
  3. 3.Beijing SHRIMP CenterBeijingChina

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