Palynology of the Early Cretaceous Hanxia Section in the Jiuquan Basin, Northwest China: The discovery of diverse early angiosperm pollen and paleoclimatic significance
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- 作者：Mingzhen Zhanga ; zhangmzh08@lzb.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Liming Jia ; Baoxia Dub ; Shuang Daib ; Xuewen Houc
- 关键词：Palynology ; Early angiosperm ; Albian ; Jiuquan Basin ; China
- 刊名：Palaeogeography, Palaeoclimatology, Palaeoecology
- 出版年：2015
- 出版时间：15 December 2015
- 年：2015
- 卷：440
- 期：Complete
- 页码：297-306
- 全文大小：2628 K
文摘
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The fossil-bearing Hanxia Section of Jiuquan Basin was analyzed palynologically.
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A diverse early angiosperm pollen group (16 forms) was recovered.
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The age-diagnostic palynomorph indicated that the Zhonggou Formation was deposited in the Albian.
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An obvious aridification was reflected by the increasing xerophytic vegetation.
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This climatic change may have an impact on the diversification of angiosperms.