IOCAS-IR  > 海洋生态与环境科学重点实验室
Evolution of Asian drying since 30 Ma revealed by clay minerals record in the West Pacific and its tectonic-climatic forcing
Tang, Yi1,3; Wan, Shiming1,2; Zhao, Debo1; Yu, Zhaojie1; Xu, Zhaokai1; Zhang, Jin1; Song, Zehua1; Li, Mengjun1; Jin, Hualong1; Jiao, Wenjun1; Dong, Hongkun1; Li, Anchun1
2023-05-18
Source PublicationSCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
Pages18
Corresponding AuthorWan, Shiming(wanshiming@ms.qdio.ac.cn)
AbstractAs the second largest dust source on the globe, the tectonic and climatic evolution of continental Asia has an important impact on regional and global climate change. The West Pacific is the main sediment sink for eolian dust transported eastward from the Asian interior. Clay minerals, as the major fine-grained weathering products of continental rocks, can be readily transported by wind or currents over long distances and thus have been widely used in the reconstruction of paleoclimate and weathering history. However, the overall evolutionary tendency and response mechanism of clay mineral records over large spatial and long timescales across Asia remain unclear. Here, two continuous and high-resolution clay mineral records since 30 Ma were reconstructed from sediments at Deep Sea Drilling Program (DSDP) Sites 292 and 296 in the Philippine Sea. Clay minerals and Sr-Nd isotope compositions were used to constrain provenance and reconstruct the drying history of the dust source region since the Oligocene. The results show that the clay-sized detrital sediments in the Philippine Sea are a mixture of Asian eolian dust and volcanic materials from the West Pacific arcs. Based on the clay mineral compositions and eolian flux, we reveal that the Asian interior has been continuously drying since the late Oligocene and that stepwise enhanced aridification occurred at approximately 20, 14, 7, and 3 Ma. Compared with other regions of the world, the relative contents of illite and chlorite increased more dramatically in Asia during the late Cenozoic, and the inconsistency became more obvious at approximately 20 Ma. Since 3 Ma, illite and chlorite have increased consistently across the globe. Combined with the Asian tectonic and climatic history, we suggest that the increase in illite and chlorite from Asia between 20 and 3 Ma was mainly in response to the uplift of the Himalayan-Tibetan Plateau, whereas after 3 Ma, it was primarily controlled by global cooling driven by the expansion of the Arctic ice sheet.
KeywordClay minerals Sr-Nd isotopes Sediment provenance Eolian dust West Pacific Late Cenozoic
DOI10.1007/s11430-022-1075-0
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[42076052] ; National Natural Science Foundation of China[2022YFF0800503] ; National Key Research and Development Program of China[XDB40010100] ; Strategic Priority Research Program of CAS[2022QNLM050203] ; Marine S&T Fund of Shandong Province for QNLM[MGQNLM-KF202001] ; Innovation Project of QNLM[2017ASTCP-ES01] ; Taishan and Aoshan Talents Program ; [42125602]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000994082300002
PublisherSCIENCE PRESS
WOS KeywordSOUTH CHINA SEA ; TIBETAN PLATEAU ; PHILIPPINE SEA ; NORTH PACIFIC ; DEEP-SEA ; EAST-ASIA ; ISOTOPIC CHARACTERISTICS ; GEOCHEMICAL RECORDS ; SEASONAL-VARIATIONS ; EXHUMATION HISTORY
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/183187
Collection海洋生态与环境科学重点实验室
Corresponding AuthorWan, Shiming
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Tang, Yi,Wan, Shiming,Zhao, Debo,et al. Evolution of Asian drying since 30 Ma revealed by clay minerals record in the West Pacific and its tectonic-climatic forcing[J]. SCIENCE CHINA-EARTH SCIENCES,2023:18.
APA Tang, Yi.,Wan, Shiming.,Zhao, Debo.,Yu, Zhaojie.,Xu, Zhaokai.,...&Li, Anchun.(2023).Evolution of Asian drying since 30 Ma revealed by clay minerals record in the West Pacific and its tectonic-climatic forcing.SCIENCE CHINA-EARTH SCIENCES,18.
MLA Tang, Yi,et al."Evolution of Asian drying since 30 Ma revealed by clay minerals record in the West Pacific and its tectonic-climatic forcing".SCIENCE CHINA-EARTH SCIENCES (2023):18.
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