Toward age determination of the M0r (Barremian-Aptian boundary) of the Early Cretaceous

doi:10.1016/j.pepi.2008.07.014

	Toward age determination of the M0r (Barremian-Aptian boundary) of the Early Cretaceous
	He, Huaiyu 1,2; Pan, Yongxin 1,2; Tauxe, Lisa 3; Qin, Huafeng 1; Zhu, Rixiang 1
刊名	PHYSICS OF THE EARTH AND PLANETARY INTERIORS
	2008-08-01
卷号	169 期号:1-4 页码:41-48
关键词	M0r Barremian-Aptian boundary Ar-40/Ar-39 dating Paleomagnetism Geologic time scale
ISSN号	0031-9201
DOI	10.1016/j.pepi.2008.07.014
文献子类	Article
英文摘要	We carried out integrated paleomagnetic and geochronologic investigations on Cretaceous lava flows at the Mashenmiao-Zhuanchengzi (MZ) section in Yixian, Liaoning Province, northeast China in seeking to understand the onset of the magnetic polarity chron M0r and the associated Barremian-Aptian boundary (BAB), which has been reported to be 125.0 +/- 1.0 Ma [Ogg, J.G., Agternerg, F.P., Gradstein, F.M., 2004. The Cretaceous period. In: Gradstein, F.M., Ogg, J.G., Smith, A.G. (Eds.). A Geologic Time Scale. Cambridge University Press, UK, pp. 344-383]. Stepwise thermal or alternating field demagnetization indicates that all lava flows in the studied section were reversely magnetized. Ar-40/Ar-39 ages obtained from three lava flows are 121.2 +/- 1.3 Ma, 120.2 +/- 1.5 Ma and 122.0 +/- 13 Ma, respectively, with a weighted mean age of 121.2 +/- 0.5 Ma (2 sigma). In combination with previous studies, we argue that these lavas are M0r in age, which therefore is probably some 4 Myr younger than estimated in the 125 Ma of the most recent geologic time scale. (C) 2008 Elsevier B.V. All rights reserved.
WOS关键词	ONTONG-JAVA PLATEAU ; TIME-SCALE ; GEOMAGNETIC PALEOINTENSITY ; MAGNETIC STRATIGRAPHY ; PALEOMAGNETIC DATA ; NORMAL SUPERCHRON ; SOLOMON-ISLANDS ; GEOCHEMISTRY ; CALIBRATION ; STANDARDS
WOS研究方向	Geochemistry & Geophysics
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000260648700005
资助机构	China MOST 973 Program(2006CB701403) ; China MOST 973 Program(2006CB701403) ; National Natural Science Foundation of China(90714010 ; National Natural Science Foundation of China(90714010 ; Chinese Academy of Sciences(KZCX3-SW-142) ; Chinese Academy of Sciences(KZCX3-SW-142) ; 40573040 ; 40573040 ; 40634024 ; 40634024 ; 40221402) ; 40221402) ; China MOST 973 Program(2006CB701403) ; China MOST 973 Program(2006CB701403) ; National Natural Science Foundation of China(90714010 ; National Natural Science Foundation of China(90714010 ; Chinese Academy of Sciences(KZCX3-SW-142) ; Chinese Academy of Sciences(KZCX3-SW-142) ; 40573040 ; 40573040 ; 40634024 ; 40634024 ; 40221402) ; 40221402) ; China MOST 973 Program(2006CB701403) ; China MOST 973 Program(2006CB701403) ; National Natural Science Foundation of China(90714010 ; National Natural Science Foundation of China(90714010 ; Chinese Academy of Sciences(KZCX3-SW-142) ; Chinese Academy of Sciences(KZCX3-SW-142) ; 40573040 ; 40573040 ; 40634024 ; 40634024 ; 40221402) ; 40221402) ; China MOST 973 Program(2006CB701403) ; China MOST 973 Program(2006CB701403) ; National Natural Science Foundation of China(90714010 ; National Natural Science Foundation of China(90714010 ; Chinese Academy of Sciences(KZCX3-SW-142) ; Chinese Academy of Sciences(KZCX3-SW-142) ; 40573040 ; 40573040 ; 40634024 ; 40634024 ; 40221402) ; 40221402)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/69152]
专题	中国科学院地质与地球物理研究所
通讯作者	He, Huaiyu
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Paleomagnetism & Geochronol Lab SKL LE, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earths Deep Interior, Beijing 100029, Peoples R China 3.Univ Calif San Diego, Scripps Inst Oceanog, Green Inst Geophys & Planetary Phys, La Jolla, CA 92093 USA
推荐引用方式 GB/T 7714	He, Huaiyu,Pan, Yongxin,Tauxe, Lisa,et al. Toward age determination of the M0r (Barremian-Aptian boundary) of the Early Cretaceous[J]. PHYSICS OF THE EARTH AND PLANETARY INTERIORS,2008,169(1-4):41-48.
APA	He, Huaiyu,Pan, Yongxin,Tauxe, Lisa,Qin, Huafeng,&Zhu, Rixiang.(2008).Toward age determination of the M0r (Barremian-Aptian boundary) of the Early Cretaceous.PHYSICS OF THE EARTH AND PLANETARY INTERIORS,169(1-4),41-48.
MLA	He, Huaiyu,et al."Toward age determination of the M0r (Barremian-Aptian boundary) of the Early Cretaceous".PHYSICS OF THE EARTH AND PLANETARY INTERIORS 169.1-4(2008):41-48.