High-precision U-Pb geochronology of the Jurassic Yanliao Biota from Jianchang (western Liaoning Province, China): Age constraints on the rise of feathered dinosaurs and eutherian mammals

doi:10.1002/2016GC006529

IVPP-IR > 古低等脊椎动物研究室

	High-precision U-Pb geochronology of the Jurassic Yanliao Biota from Jianchang (western Liaoning Province, China): Age constraints on the rise of feathered dinosaurs and eutherian mammals
	Chu, Zhuyin 1; He, Huaiyu 1; Ramezani, Jahandar 2; Bowring, Samuel A.2; Hu, Dongyu 3; Zhang, Lijun 3; Zheng, Shaolin 3; Wang, Xiaolin 4; Zhou, Zhonghe4 ; Deng, Chenglong 1; Guo, Jinghui 1
	2016-10-01
发表期刊	GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
卷号	17 期号:10 页码:3983-3992
文章类型	Article
摘要	The Yanliao Biota of northeastern China comprises the oldest feathered dinosaurs, transitional pterosaurs, as well as the earliest eutherian mammals, multituberculate mammals, and new euharamiyidan species that are key elements of the Mesozoic biotic record. Recent discovery of the Yanliao Biota in the Daxishan section near the town of Linglongta, Jianchang County in western Liaoning Province have greatly enhanced our knowledge of the transition from dinosaurs to birds, primitive to derived pterosaurs, and the early evolution of mammals. Nevertheless, fundamental questions regarding the correlation of fossil-bearing strata, rates of dinosaur and mammalian evolution, and their relationship to environmental change in deep time remain unresolved due to the paucity of precise and accurate temporal constraints. These limitations underscore the importance of placing the rich fossil record of Jianchang within a high-resolution chronostratigraphic framework that has thus far been hampered by the relatively low precision of in situ radioisotopic dating techniques. Here we present high-precision U-Pb zircon geochronology by the chemical abrasion isotope dilution thermal ionization mass spectrometry (CA-ID-TIMS) from three interstratified ash beds previously dated by secondary-ion mass spectrometry (SIMS) technique. The results constrain the key fossil horizons of the Daxishan section to an interval spanning 160.89 to 160.25 Ma with 2 sigma analytical uncertainties that range from +/- 46 to +/- 69 kyr. These data place the Yanliao Biota from Jianchang in the Oxfordian Stage of the Late Jurassic, and mark the Daxishan section as the site of Earth's oldest precisely dated feathered dinosaurs and eutherian mammals.
WOS标题词	Science & Technology ; Physical Sciences
DOI	10.1002/2016GC006529
关键词[WOS]	NORTHEASTERN CHINA ; JEHOL BIOTA ; INTEGUMENTARY STRUCTURES ; CRETACEOUS ECOSYSTEM ; YIXIAN FORMATION ; AR-40/AR-39 AGE ; LANQI FORMATION ; DAOHUGOU BIOTA ; THEROPOD ; ORIGIN
收录类别	SCI
语种	英语
项目资助者	Natural Science Foundation of China(41273018 ; 973 Program(2012CB822005 ; Natural Science Foundation of Liaoning Province(201102199 ; 41425013 ; 2012CB821905) ; LR2012038) ; 41172026)
WOS研究方向	Geochemistry & Geophysics
WOS类目	Geochemistry & Geophysics
WOS记录号	WOS:000388694600009
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/7413
专题	古低等脊椎动物研究室
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China 2.MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA USA 3.Shenyang Normal Univ, Inst Paleontol, Shenyang, Peoples R China 4.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Chu, Zhuyin,He, Huaiyu,Ramezani, Jahandar,et al. High-precision U-Pb geochronology of the Jurassic Yanliao Biota from Jianchang (western Liaoning Province, China): Age constraints on the rise of feathered dinosaurs and eutherian mammals[J]. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,2016,17(10):3983-3992.
APA	Chu, Zhuyin.,He, Huaiyu.,Ramezani, Jahandar.,Bowring, Samuel A..,Hu, Dongyu.,...&Guo, Jinghui.(2016).High-precision U-Pb geochronology of the Jurassic Yanliao Biota from Jianchang (western Liaoning Province, China): Age constraints on the rise of feathered dinosaurs and eutherian mammals.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,17(10),3983-3992.
MLA	Chu, Zhuyin,et al."High-precision U-Pb geochronology of the Jurassic Yanliao Biota from Jianchang (western Liaoning Province, China): Age constraints on the rise of feathered dinosaurs and eutherian mammals".GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 17.10(2016):3983-3992.

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