Ar-40/Ar-39 dating of ignimbrite from inner Mongolia, northeastern China, indicates a post-Middle Jurassic age for the overlying Daohugou Bed

IVPP-IR > 中科院古脊椎所（2000年以后）

	Ar-40/Ar-39 dating of ignimbrite from inner Mongolia, northeastern China, indicates a post-Middle Jurassic age for the overlying Daohugou Bed
	He, HY ; Wang, XL; Zhou, ZH; Zhu, RX ; Jin, F ; Wang, F ; Ding, X ; Boven, A ; He, HY (reprint author), Chinese Acad Sci, Inst Geol & Geophys, POB 9825, Beijing 100029, Peoples R China.
	2004-10-30
发表期刊	GEOPHYSICAL RESEARCH LETTERS
ISSN	0094-8276
卷号	31 期号:20 页码:—
文章类型	Article
摘要	The Ar-40/Ar-39 step heating analyses of K-feldspar derived from the ignimbrite in Inner Mongolia, China indicates that they were formed at 159.8 +/- 0.8 Ma, which provides a maximum age for the overlying fossil-bearing lacustrine deposits (Daohugou Bed). This result favors a post-Middle Jurassic ( Late Jurassic or younger), rather than the Middle Jurassic age for the Daohugou Bed. Such a result is generally consistent with vertebrate biostratigraphic evidence, providing a maximum known age for the first appearance of several major animal groups such as Cryptobranchidae of Urodela ( salamanders) and Maniraptora ( birds and their closest dinosaurian relatives).; The Ar-40/Ar-39 step heating analyses of K-feldspar derived from the ignimbrite in Inner Mongolia, China indicates that they were formed at 159.8 +/- 0.8 Ma, which provides a maximum age for the overlying fossil-bearing lacustrine deposits (Daohugou Bed). This result favors a post-Middle Jurassic ( Late Jurassic or younger), rather than the Middle Jurassic age for the Daohugou Bed. Such a result is generally consistent with vertebrate biostratigraphic evidence, providing a maximum known age for the first appearance of several major animal groups such as Cryptobranchidae of Urodela ( salamanders) and Maniraptora ( birds and their closest dinosaurian relatives).
WOS标题词	Science & Technology ; Physical Sciences
URL	查看原文
关键词[WOS]	SALAMANDERS
收录类别	SCI
语种	英语
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
WOS记录号	WOS:000224881700002
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/3605
专题	中科院古脊椎所（2000年以后）古低等脊椎动物研究室
通讯作者	He, HY (reprint author), Chinese Acad Sci, Inst Geol & Geophys, POB 9825, Beijing 100029, Peoples R China.
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China 3.China Univ Geosci, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	He, HY,Wang, XL,Zhou, ZH,et al. Ar-40/Ar-39 dating of ignimbrite from inner Mongolia, northeastern China, indicates a post-Middle Jurassic age for the overlying Daohugou Bed[J]. GEOPHYSICAL RESEARCH LETTERS,2004,31(20):—.
APA	He, HY.,Wang, XL.,Zhou, ZH.,Zhu, RX.,Jin, F.,...&He, HY .(2004).Ar-40/Ar-39 dating of ignimbrite from inner Mongolia, northeastern China, indicates a post-Middle Jurassic age for the overlying Daohugou Bed.GEOPHYSICAL RESEARCH LETTERS,31(20),—.
MLA	He, HY,et al."Ar-40/Ar-39 dating of ignimbrite from inner Mongolia, northeastern China, indicates a post-Middle Jurassic age for the overlying Daohugou Bed".GEOPHYSICAL RESEARCH LETTERS 31.20(2004):—.

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