"Tiny Wiggles" in the Late Miocene Red Clay Deposits in the North-East of the Tibetan Plateau

doi:10.1029/2021GL093962

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	"Tiny Wiggles" in the Late Miocene Red Clay Deposits in the North-East of the Tibetan Plateau
	Zhang, Rui 4,5; Wei, Xiaohao 5; Kravchinsky, Vadim A.4,5; Yue, Leping 5; Zheng, Yan 3; Qin, Jie 5; Yang, Lijun 5; Ma, Minghao 5; Xian, Feng 1,2; Gong, Hujun 5
刊名	GEOPHYSICAL RESEARCH LETTERS
	2021-08-28
卷号	48 期号:16 页码:11
关键词	astronomical calibration cyclostratigraphy geomagnetic excursions magnetostratigraphy subchrons tiny wiggles
ISSN号	0094-8276
DOI	10.1029/2021GL093962
通讯作者	Zhang, Rui(ruizhang@nwu.edu.cn) ; Kravchinsky, Vadim A.(vadim@ualberta.ca)
英文摘要	Small amplitude or short period geomagnetic anomalies known as "tiny wiggles" (TWs) are often hard to identify because of magnetic signal smoothing in the marine record of geomagnetic reversals. We report here the late Miocene record of geomagnetic reversals in the aeolian red clay sediments of Linxia Basin in China that enables us to identify two TWs. We performed magnetostratigraphy dating and used spectral analysis to distinguish orbital cycles in the records of magnetic susceptibility (MS) and sedimentary grain size (GS) and develop an orbitally tuned age model. The presence of two TWs in the study section, that correspond to C5n.2n-3 and C5r.2r-1, is confirmed by orbital calibration of our age model through recognition of eccentricity, obliquity and precession in MS and GS records.
资助项目	National Natural Science Foundation of China[41772027] ; National Natural Science Foundation of China[41950410574] ; Chinese Academy of Sciences[QYZDY-SSW-DQC022] ; Chinese Academy of Sciences[XDB26000000] ; Chinese Academy of Sciences[XDA20070203] ; Chinese Academy of Sciences[XDB31030106] ; Natural Sciences and Engineering Research Council of Canada[RGPIN-2019-04780]
WOS关键词	CHINESE LOESS PLATEAU ; POLARITY TIME-SCALE ; MAGNETIC-ANOMALIES ; GEOMAGNETIC-FIELD ; COBB MOUNTAIN ; LINXIA BASIN ; MAGNETOSTRATIGRAPHY ; SEQUENCE ; MIDDLE ; SEDIMENTS
WOS研究方向	Geology
语种	英语
出版者	AMER GEOPHYSICAL UNION
WOS记录号	WOS:000688759800048
资助机构	National Natural Science Foundation of China ; Chinese Academy of Sciences ; Natural Sciences and Engineering Research Council of Canada
内容类型	期刊论文
源URL	[http://119.78.100.205/handle/311034/18996]
专题	古脊椎动物与古人类研究所_图书馆1
通讯作者	Zhang, Rui; Kravchinsky, Vadim A.
作者单位	1.Chinese Acad Sci, CAS Ctr Excellence Quaternary Sci & Global, Xian, Peoples R China 2.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Inst Earth Environm, Xian, Peoples R China 3.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing, Peoples R China 4.Univ Alberta, Geophys, Dept Phys, Edmonton, AB, Canada 5.Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Inst Cenozo Geol & Environm, Xian, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Rui,Wei, Xiaohao,Kravchinsky, Vadim A.,et al. "Tiny Wiggles" in the Late Miocene Red Clay Deposits in the North-East of the Tibetan Plateau[J]. GEOPHYSICAL RESEARCH LETTERS,2021,48(16):11.
APA	Zhang, Rui.,Wei, Xiaohao.,Kravchinsky, Vadim A..,Yue, Leping.,Zheng, Yan.,...&Liu, Xiaofan.(2021)."Tiny Wiggles" in the Late Miocene Red Clay Deposits in the North-East of the Tibetan Plateau.GEOPHYSICAL RESEARCH LETTERS,48(16),11.
MLA	Zhang, Rui,et al.""Tiny Wiggles" in the Late Miocene Red Clay Deposits in the North-East of the Tibetan Plateau".GEOPHYSICAL RESEARCH LETTERS 48.16(2021):11.