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Paleoelevation of Tibetan Lunpola basin in the Oligocene-Miocene transition estimated from leaf wax lipid dual isotopes

文献类型：期刊论文

作者Jia, Guodong1,3; Bai, Yang1; Ma, Yongjia1; Sun, Jimin2; Peng, Ping'an1
刊名GLOBAL AND PLANETARY CHANGE
出版日期2015-03-01
卷号126页码:14-22
关键词Paleoelevation Leaf Wax N-alkane Dual Isotopes Lunpola Basin Tibetan Plateau
DOI10.1016/j.gloplacha.2014.12.007
文献子类Article
英文摘要Carbon and hydrogen isotopic compositions of leaf wax n-alkanes are promising paleoelevation proxies. In this paper, the two proxies were applied to the Dingqing Formation in the Lunpola basin in the central Tibetan Plateau to reconstruct paleoelevation of the basin from the latest Oligocene to the early Miocene. Values of delta C-13 and delta D of C-29 n-alkane were -29.8 +/- 0.7 parts per thousand (n = 38) and -188 +/- 10 parts per thousand (n = 22), respectively. Using the delta C-13 and delta O-18 of the early Miocene Siwalik paleosol carbonate in south Asia as lowland references, paleoelevation of similar to 3000 m was independently estimated from the two isotopic proxies. The results are consistent with recent estimates from pollen and mammal fossil studies. Furthermore, the time-series leaf wax delta C-13 and delta D records consistently suggest a reduction of similar to 900 m from 25.5 Ma to 21.6 Ma, which is likely associated with rapid erosion or tectonic unroofing. (C) 2015 Elsevier B.V. All rights reserved.
WOS关键词SEDIMENTARY N-ALKANES ; DELTA-D ; PALYNOLOGICAL EVIDENCE ; PALAEO-ALTIMETRY ; STABLE-ISOTOPES ; SOUTHERN TIBET ; OXYGEN-ISOTOPE ; C-4 GRASSES ; D/H RATIOS ; PLATEAU
WOS研究方向Physical Geography ; Geology
语种英语
WOS记录号WOS:000350181300002
资助机构"Strategic Priority Research Program" of the Chinese Academy of Sciences(XDB03020101) ; "Strategic Priority Research Program" of the Chinese Academy of Sciences(XDB03020101) ; "Strategic Priority Research Program" of the Chinese Academy of Sciences(XDB03020101) ; "Strategic Priority Research Program" of the Chinese Academy of Sciences(XDB03020101)
源URL[http://ir.iggcas.ac.cn/handle/132A11/62539]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
作者单位1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou, Guangdong, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Marginal Sea Geol, Guangzhou, Guangdong, Peoples R China
推荐引用方式
GB/T 7714		 Jia, Guodong,Bai, Yang,Ma, Yongjia,et al. Paleoelevation of Tibetan Lunpola basin in the Oligocene-Miocene transition estimated from leaf wax lipid dual isotopes[J]. GLOBAL AND PLANETARY CHANGE,2015,126:14-22.
APA Jia, Guodong,Bai, Yang,Ma, Yongjia,Sun, Jimin,&Peng, Ping'an.(2015).Paleoelevation of Tibetan Lunpola basin in the Oligocene-Miocene transition estimated from leaf wax lipid dual isotopes.GLOBAL AND PLANETARY CHANGE,126,14-22.
MLA Jia, Guodong,et al."Paleoelevation of Tibetan Lunpola basin in the Oligocene-Miocene transition estimated from leaf wax lipid dual isotopes".GLOBAL AND PLANETARY CHANGE 126(2015):14-22.

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来源：地质与地球物理研究所

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