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Development of east Asian summer monsoon environments in the late Miocene: radiolarian evidence from Site 1143 of ODP Leg 184
Chen, MH; Wang, RJ; Yang, LH; Han, JX; Lu, J
2003
发表期刊MARINE GEOLOGY
ISSN0025-3227
卷号201期号:40546页码:169-177
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.
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
关键词Radiolarians Late Miocene East Asian Summer Monsoon South China Sea Odp Site 1143
学科领域Geosciences, Multidisciplinary ; Oceanography
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000185699500012
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被引频次:56[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4750
专题中科院边缘海地质重点实验室
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Chen, MH,Wang, RJ,Yang, LH,et al. Development of east Asian summer monsoon environments in the late Miocene: radiolarian evidence from Site 1143 of ODP Leg 184[J]. MARINE GEOLOGY,2003,201(40546):169-177.
APA Chen, MH,Wang, RJ,Yang, LH,Han, JX,&Lu, J.(2003).Development of east Asian summer monsoon environments in the late Miocene: radiolarian evidence from Site 1143 of ODP Leg 184.MARINE GEOLOGY,201(40546),169-177.
MLA Chen, MH,et al."Development of east Asian summer monsoon environments in the late Miocene: radiolarian evidence from Site 1143 of ODP Leg 184".MARINE GEOLOGY 201.40546(2003):169-177.
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