A new species of Platanus from the Cenomanian(Upper Cretaceous) in eastern Heilongjiang, China

被引：0

作者：

Ge Sun ^{[1
,2
]}

Tatiana Kovaleva ^{[1
,3
]}

Fei Liang ^{[2
]}

Tao Yang ^{[2
]}

Yuhui Feng ^{[2
]}

机构：

[1] Key Laboratory of Evolution of Past Life and Environmental Changes in NE Asia,Ministry of Education

[2] College of Paleontology,Shenyang Normol University

[3] College of Geosciences,Jilin University

来源：

Geoscience Frontiers | 2019年 / 04期

关键词：

Platanus; Cenomanian; Upper Cretaceous; Dating; Qitaihe; Heilongjiang;

D O I：

暂无

中图分类号：

Q914 [古植物学];

学科分类号：

0709 ; 070903 ;

摘要：

The stratigraphic division and sequence of the Upper Cretaceous sediments in eastern Heilongjiang Province,China,have been ambiguous and controversial,mainly due to a lack of biostratigraphically useful fossils and related radiometric dating.A new species of angiospermous fossil plant.Platanus heilongjiangensis sp.nov.,from Qitaihe in eastern Heilongjiang has been found in sediments conformably above which zircons from a rhyolitic tuff has been dated by U-Pb radiometric methods as 96.2± 1.7 Ma.indicating that the Upper Houshigou Formation is of Cenomanian age.This discovery not only provides new data to improve our stratigraphic understanding of the Houshigou Formation,but also shows that Platanus flourished in the early Late Cretaceous floras of the region.This new study also indicates active volcanism taking place in the eastern Heilongjiang region during the Cenomanian of the Late Cretaceous.

引用

页码：1535 / 1541

页数：7

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