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学科主题: Geosciences, Multidisciplinary; Oceanography
题名: Development of east Asian summer monsoon environments in the late Miocene: radiolarian evidence from Site 1143 of ODP Leg 184
作者: Chen, MH ; Wang, RJ ; Yang, LH ; Han, JX ; Lu, J
关键词: radiolarians ; late Miocene ; east Asian summer monsoon ; South China Sea ; ODP Site 1143
刊名: MARINE GEOLOGY
发表日期: 2003
卷: 201, 期:40546, 页:169-177
收录类别: sci
部门归属: Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China; Tongji Univ, Dept Marine Geol, Shanghai 200092, Peoples R China; Minst Terr Resources, Guangzhou Marine Geol Expt & Test Ctr, Guangzhou 510760, Peoples R China
项目归属: 海洋地质
摘要: Abundant radiolarians are preserved in the relatively complete upper Miocene section of ODP Site 1143. Three radiolarian zones, RN6, RN7 and RN8, are recognized on the basis of Diartus petterssoni (total range in RN6, < 11.9-8.77 Ma), Diartus hughesi (last appearance at RN7/RN8, 7.7 Ma) and Stichocorys delmontensis (RN6 to RN8, > 6.7 Ma). Variations in the abundance of radiolarians, especially Pyloniid forms, radiolarian flux and species diversity are good proxies of upwelling which, similar to today's, was likely driven by summer monsoons. These radiolarian paleomonsoon proxies indicate that the east Asian summer monsoon first initiated close to the middle/late Miocene boundary at similar to 12-11 Ma and reached a maximum strength at similar to 8.24 Ma. Therefore, the initiation of the east Asian summer monsoon was likely earlier than the first Indian monsoon, which appeared similar to 8 myr ago. (C) 2003 Elsevier B.V. All rights reserved.
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WOS记录号: WOS:000185699500012
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4750
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Chen, MH; Wang, RJ; Yang, LH; Han, JX; Lu, J.Development of east Asian summer monsoon environments in the late Miocene: radiolarian evidence from Site 1143 of ODP Leg 184,MARINE GEOLOGY,2003,201(40546):169-177
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文件名: Development of east Asian summer monsoon environments in the late Miocene radiolarian evidence from Site 1143 of ODP Leg 184 .pdf
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