No high Tibetan Plateau until the Neogene
Su, T.1,2; Farnsworth, A.3; Spicer, R. A.1,4; Huang, J.1; Wus, F-X5; Liu, J.1; Li, S-F1; Xing, Y-W1; Huang, Y-J6; Deng, W-Y-D1,2; Tang, H.1,2; Xu, C-L1,2; Zhao, F.1,2; Srivastava, G.7; Valdes, P. J.3; Deng, T.5; Zhou, Z-K1,6
Corresponding AuthorSu, T.(sutao@xtbg.org.cn) ; Zhou, Z-K(zhouzk@xtbg.ac.cn)
2019-03-01
Source PublicationSCIENCE ADVANCES
ISSN2375-2548
Volume5Issue:3Pages:8
AbstractThe Late Paleogene surface height and paleoenvironment for the core area of the Qinghai-Tibetan Plateau (QTP) remain critically unresolved. Here, we report the discovery of the youngest well-preserved fossil palm leaves from Tibet. They were recovered from the Late Paleogene (Chattian), ca. 25.5 +/- 0.5 million years, paleolake sediments within the Lunpola Basin (32.033 degrees N, 89.767 degrees E), central QTP at a present elevation of 4655 m. The anatomy of palms renders them intrinsically susceptible to freezing, imposing upper bounds on their latitudinal and altitudinal distribution. Combined with model-determined paleoterrestrial lapse rates, this shows that a high plateau cannot have existed in the core of Tibet in the Paleogene. Instead, a deep paleovalley, whose floor was <2.3 km above mean sea level bounded by (>4 km) high mountain systems, formed a topographically highly varied landscape. This finding challenges prevailing views on tectonic processes, monsoon dynamics, and the evolution of Asian biodiversity.
DOI10.1126/sciadv.aav2189
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000462564300055
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/67668
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Corresponding AuthorSu, T.; Zhou, Z-K
Affiliation1.Chinese Acad Sci, Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Bristol, Sch Geog Sci, Bristol BS8 1SS, Avon, England
4.Open Univ, Sch Environm Earth & Ecosyst Sci, Milton Keynes MK7 6AA, Bucks, England
5.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
6.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650204, Yunnan, Peoples R China
7.Birbal Sahni Inst Palaeosci, 53 Univ Rd, Lucknow 226007, Uttar Pradesh, India
Recommended Citation
GB/T 7714
Su, T.,Farnsworth, A.,Spicer, R. A.,et al. No high Tibetan Plateau until the Neogene[J]. SCIENCE ADVANCES,2019,5(3):8.
APA Su, T..,Farnsworth, A..,Spicer, R. A..,Huang, J..,Wus, F-X.,...&Zhou, Z-K.(2019).No high Tibetan Plateau until the Neogene.SCIENCE ADVANCES,5(3),8.
MLA Su, T.,et al."No high Tibetan Plateau until the Neogene".SCIENCE ADVANCES 5.3(2019):8.
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