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您的检索式：作者名="Bugdaeva E."
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| 1 | Late Cretaceous biota and the Cretaceous-Paleogene(K--Pg)Boundary in Jiayin of Heilongjiang,China显示文摘An international cooperative study of the Late Cretaceous biota and non-marine strata including the Cretaceous-Paleogene(K--Pg) boundary in Jiayin near the Heilongjiang River,China during 2002-2010,is summarized in this paper. The strata includes the Upper Cretaceous Yong'ancun-,Taipinglinchang-,Yuliang-zi-,and Furao formations,and the Paleocence Wuyun Formation consisting of Baoshantou Member and a Coalbearing Member. Seven palynological assemblages from Santonian to Paleocene are recognized,which is used for definition of the K--Pg boundary. Through the palynological analysis of three drilled boreholes (XHY-2005,2006,2008) in Xiaoheyan of western Jiayin,the K--Pg boundary is defined within 20. 00-20. 05 m in the borehole XHY-2006 (as a standard boundary) which is just between the top of Furao Formation (late Maasterichtian) and the base of Baishantou Member (early Danian) . These new research results are supported by paleo- magnetic,geochemical and other analyses,also. On the other hand,the presence of eight taxa of Maasterichtian dinosaurs (mostly hadrosaurids) have been recognized by the authors; and two mega-plant assemblages from the Yong'ancun Fm (Santonian) to Taipinglinchang Fm (Campanian) are confirmed. These research a-chievements indicate that the Upper Cretaceous-Paleocene in Jiayin can be well correlated to the strata in the neighboring Zeya-Bureja basin,Russia. The K--Pg boundary definited in Jiayin is the first well documented non-marine K--Pg boundary in China. Also the related paleoclimate,paleoenvironment and the mass extinctions in this area during the Cretaceous-Paleocene transition are also discussed. | Sun G. Akhmetiev M. Markevich V. Ashraf A. R. Bugdaeva E. Godefroit P. Bolotsky Yu. Dong Z. M. Golovneva L. Yang H. X. Sun C. L. Sun Y. W. Quan C. Kodrul T. Kezina T. Johnson K. Nishida H Dilcher D. L. Harding I. Chen Y. J. | 2011 | Global Geology2011，14，3： | 9 |
| 2 | Recent advance in study of K-Pg boundary in Jiayin of Heilongjiang,China and its adjacent area显示文摘The non-marine Cretaceous-Paleogene boundary(KPgB)in Jiayin of Heilongjiang was first defined and reported in China by the authors research team in 2011.Thereafter the continuous research on the KPgB and its related Late Cretaceous biota in Jiayin has been made by the authors in 2012-2020.The achievements of the research are mainly reflected as follows:(1)a new drilling borehole with 60 m in depth carried out in the Xiaoheyan of Jiayin in 2016,supplemented new palynological evidence for the KPgB definition in 2011;(2)some radiometric dating newly made on the strata related to the KPgB in Jiayin and its neighboring Russian area,provided the supplemental evidence for the KPgB definition in Jiayin;(3)many new fossils found by the authors,represented by the angiosperms Dalembia and Nelumbo,refresh understanding the Late Cretaceous environment of Jiayin;and(4)the TEM method is applied in the study of pollen exine ultrastructure of Pseudointegricorpus,Wodehouseia,and Aquilapollenites,promoting the late Maastrichtian ecological study in Jiayin,related to the KPgB. | SUN Ge SUN Chunlin SUN Yuewu ZHANG Shuqin WU Wenhao YANG Tao LIANG Fei FENG Yuhui Markevich V Ashraf A R Bugdaeva E. Tekleva M. Suzuki S. | 2021 | Global Geology2021，24，4： | 0 |
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