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学科主题: Geology
题名: Radiolarian biostratigraphy in the Southern Bering Sea since Pliocene
作者: Zhang, Q ; Chen, MH ; Zhang, LL ; Wang, RJ ; Xiang, R ; Hu, WF
通讯作者: zhangqiang210@scsio.ac.cn
关键词: IODP 323 ; Site U1340 ; Bering Sea ; radiolarian bioevents ; biostratigraphy
刊名: SCIENCE CHINA-EARTH SCIENCES
发表日期: 2014
卷: 57, 期:4, 页:682-692
收录类别: sci
部门归属: [Zhang Qiang ; Chen MuHong ; Zhang LanLan ; Xiang Rong ; Hu WeiFen] Chinese Acad Sci, Key Lab Marginal Sea Geol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China ; [Zhang Qiang ; Hu WeiFen] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Wang RuJian] Tongji Univ, State Key Lab Marine Geol, Shanghai 200092, Peoples R China
项目归属: 海洋地质
资助者: National Natural Science Foundation of China [41076026, 40906030, 41276051, 41030859]; National Key Basic Research Program of China [2013CB956102]; Chinese Academy of Sciences [SQ200808]; Key Technology Research on Investigations of Ocean Drilling Sites [2008AA093001]
摘要: Detailed radiolarian biostratigraphy in the Plio-Pleistocene was analyzed by using samples from IODP Site U1340 that was drilled to a core depth of 604 m in the southern Bering Sea. A total of 227 species belonging to 102 genera were identified. Based on the distributions of the radiolarian index species at Site U1340, five radiolarian zones since the Pliocene were established in the southern Bering Sea for the first time, and 25 radiolarian bioevents were recognized. Their ages were estimated on the basis of the age-depth plot that was constructed by the synthetical datum of the effective biostratigraphic and magnetostratigraphic events. The radiolarian zones at Site U1340 were systematically compared with those in its adjacent regions since the late Early Pliocene, which further improved and interpreted the biostratigraphic datum as well as their correlations in the middle-high latitude of the North Pacific. In addition, the comparative results of radiolarian zones show that Botryostrobus aquilonaris Zone emended in this paper is equivalent to the upper part of the same zone defined by Hays, 1970, and Druppatractus irregularis-Dorydruppa bensoni Zone as well as Spongodiscus sp. Zone, newly proposed in this paper, are well correlated with Cycladophora sakaii Zone and Stylatractus universus Zone in the subarctic North Pacific, respectively.
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WOS记录号: WOS:000334176800010
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10631
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Zhang, Q; Chen, MH; Zhang, LL; Wang, RJ; Xiang, R; Hu, WF.Radiolarian biostratigraphy in the Southern Bering Sea since Pliocene,SCIENCE CHINA-EARTH SCIENCES,2014,57(4):682-692
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