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Global Geology 2021, 24(4) 189-197 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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| 论文 |
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摘要：
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关键词：
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Ｒecent advance in study of K-Pg boundary in Jiayin of
Heilongjiang，China and its adjacent area |
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SUN Ge
1，2，3
，SUN Chunlin
3，4
，SUN Yuewu
3，4
，ZHANG Shuqin
3，4
，WU Wenhao
3，4
，
YANG Tao
1，2
，LIANG Fei
1，2
，FENG Yuhui
1，2
，Markevich V5
，Ashraf A Ｒ6
，
Bugdaeva E． 5
，Tekleva M． 7
and Suzuki S． 8 |
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1． College of Paleontology，Shenyang Normal University，Shenyang 110034，China;
2． Key-Lab of Evolution of Past Life in NE Asia，MNＲC，Shenyang 110034，China;
3． International Center of Geoscience Ｒesearch and Education in NE Asia，Jilin University，
Changchun 130026，China;
4． Ｒesearch Center of Paleontology ＆ Stratigraphy，Jilin University，Changchun 130026，China;
5． Federal Scientific Center of the East Asia Terrestrial Biodiversity，FEB ＲAS，
Vladivostok 690022，Ｒussia;
6． Institute of Geology and Paleontology，University of Bonn，Bonn D-5300，Germany;
7． Paleontological Institute，ＲAS，Moscow 117647，Ｒussia;
8． Okayama University，Okayama 700-8530，Japan |
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Abstract:
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． |
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Keywords:
K-Pg boundary
new
achievement
Jiayin
China
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