兰州大学机构库 >资源环境学院
High-resolution magneto stratigraphy of the Neogene Huaitoutala section in the eastern Qaidam Basin on the NE Tibetan Plateau, Qinghai Province, China and its implication on tectonic uplift of the NE Tibetan Plateau
Fang, XM(方小敏); Zhang, WL; Meng, QQ; Gao, JP; Wang, XM; King, J; Song, CH(宋春晖); Dai, S; Miao, YF; Fang, XM (reprint author), Chinese Acad Sci, Inst Tibetan Plateau Res, Ctr Basin Resource & Environm, POB 2871,Beilin N Str 18, Beijing 100085, Peoples R China.
2007-06-15
Source PublicationEARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
Volume258Issue:1-2Pages:293-306
AbstractThe closed inland Qaidam Basin in the NE Tibetan Plateau contains possibly the world's thickest (similar to 12,000 in) continuous sequence of Cenozoic fluviolacustrine sedimentary rocks. This sequence contains considerable information on the history of Tibetan uplift and associated climatic change. However, work within Qaidam Basin has been held back by a paucity of precise time constraints on this sequence. Here we report on a detailed paleomagnetic study of the well exposed 4570 m Huaitoutala section along the Keluke anticline in the northeastern Qaidam Basin, where three distinct faunas were recovered and identified from the middle Miocene through Pliocene. Constrained by these faunal ages, the observed thirty-three pairs of normal and reversed polarity zones can be readily correlated with chrons 2n-5Br of the GPTS. This study assigns the age of the section to the interval between ca. 15.7 Ma to 1.8 Ma. In addition, the widely used stratigraphic units the Xia Youshashan, Shang Youshashan, the Shizigou and Qigequan Fort-nations were formed at >15.3 Ma, 15.3-8.1 Ma, 8.1-2.5 Ma and <2.5 Ma, respectively. We obtained a very high average sedimentation rate of similar to 33 cm/ka over the entire interval 15.7 to 1.8 Ma. Furthermore, the average sedimentation rate is punctuated by three intervals of persistent rapid increases starting at about similar to 14.7 Ma, 8.1 Ma and 3.6 Ma. These intervals are interpreted as times of rapid uplift and fast exhumation of the NE Tibetan Plateau. (C) 2007 Published by Elsevier B.V.
KeywordMagnetostratigraphy Neogene Qaidam Basin Ne Tibetan Plateau
Subject AreaGeochemistry & Geophysics
PublisherELSEVIER
DOI10.1016/j.espl.2007.03.042
Publication PlaceAMSTERDAM
Indexed BySCIE
Language英语
First Inst
WOS IDWOS:000247828000023
SubtypeArticle
DepartmentChinese Acad Sci, Inst Tibetan Plateau Res, Ctr Basin Resource & Environm, Beijing 100085, Peoples R China;
Lanzhou Univ, Minist Educ China, Key Lab Western Chinas Environm Sci, Lanzhou 730000, Gansu, Peoples R China;
Lanzhou Univ, Coll Resources & Environm, Lanzhou 730000, Gansu, Peoples R China;
Nat Hist Museum Los Angeles Cty, Dept Vertebrate Paleontol, Los Angeles, CA 90007 USA;
Univ Rhode Isl, Grad Sch Oceanog, Narragansett, RI 02882 USA
Citation statistics
Cited Times:366[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/119734
Collection资源环境学院
地质科学与矿产资源学院
Corresponding AuthorFang, XM (reprint author), Chinese Acad Sci, Inst Tibetan Plateau Res, Ctr Basin Resource & Environm, POB 2871,Beilin N Str 18, Beijing 100085, Peoples R China.
Recommended Citation
GB/T 7714
Fang, XM,Zhang, WL,Meng, QQ,et al. High-resolution magneto stratigraphy of the Neogene Huaitoutala section in the eastern Qaidam Basin on the NE Tibetan Plateau, Qinghai Province, China and its implication on tectonic uplift of the NE Tibetan Plateau[J]. EARTH AND PLANETARY SCIENCE LETTERS,2007,258(1-2):293-306.
APA Fang, XM.,Zhang, WL.,Meng, QQ.,Gao, JP.,Wang, XM.,...&Fang, XM .(2007).High-resolution magneto stratigraphy of the Neogene Huaitoutala section in the eastern Qaidam Basin on the NE Tibetan Plateau, Qinghai Province, China and its implication on tectonic uplift of the NE Tibetan Plateau.EARTH AND PLANETARY SCIENCE LETTERS,258(1-2),293-306.
MLA Fang, XM,et al."High-resolution magneto stratigraphy of the Neogene Huaitoutala section in the eastern Qaidam Basin on the NE Tibetan Plateau, Qinghai Province, China and its implication on tectonic uplift of the NE Tibetan Plateau".EARTH AND PLANETARY SCIENCE LETTERS 258.1-2(2007):293-306.
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