Microfossil analysis reveals three transgression layers in the CQJ4 borehole, which are at 4.
微体生物分析显示该孔岩芯记录了三个海侵层，分别位于4。
The sea level changes of Holocene in Shanghai region are discussed in this paper based on the spore - pollen and microfossil analysis of Zhaoxiang core.
本文通过对位于上海同身西侧的赵巷孔进行孢粉和微古分析，论述上海地区全新世海平面变化。
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