Cosmogenic nuclide burial age of the Sanying Formation and its implications

doi:10.1007/s11430-013-4778-z

	Cosmogenic nuclide burial age of the Sanying Formation and its implications
	Zheng Yong; Jia Jun; Nie XiKe; Kong Ping
刊名	SCIENCE CHINA-EARTH SCIENCES
	2014-06-01
卷号	57 期号:6 页码:1141-1149
关键词	Sanying Formation burial age cosmogenic nuclide Red River fault Dali fault system
ISSN号	1674-7313
DOI	10.1007/s11430-013-4778-z
文献子类	Article
英文摘要	The Pliocene fluvial/lacustrine sediments of the Sanying Formation lie along the Red River fault and its northwest extension; their majority outcrops appear around Eryuan. The Sanying Formation is characterized by multiple intercalated coal layers and its unconformities contact with the underlying Triassic limestone and the overlying Quaternary coarse sediments. Cosmogenic nuclide burial dating confirms the Pliocene age of the Sanying Formation. The burial ages of the overlying Quaternary sediments provide the lower age limit of the Sanying Formation: 2 Ma. Detrital zircon U-Pb age distribution suggests provenance of the Sanying Formation traced to the Songpan-Ganzi flysch belt. From the spatial distribution as well as sedimentary and fault ages, we found a strong connection of the Sanying Formation with the Red River and the Jianchuan faults. We therefore propose that activation of the Red River and the Jianchuan faults during the Late Miocene resulted in subsidence of basins in the extensional areas around Eryuan and in the middle to south segments of the Red River fault. The basins were filled with water carried by the Jinsha River and overflow-lakes formed within the basins where the Sanying Formation was deposited. Most of the lakes were dried and sedimentation of the Sanying Formation ceased due to the uplift of the Yunling Mountains, which forced rerouting of the Jinsha River at the beginning of Quaternary.
WOS关键词	TIBETAN PLATEAU ; RED RIVER ; SOUTHWESTERN SICHUAN ; EROSION RATES ; SHEAR ZONE ; CHINA ; YUNNAN ; EVOLUTION ; TERTIARY ; DEFORMATION
WOS研究方向	Geology
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000336380400001
资助机构	Chinese Academy of Sciences(XDB03020300) ; Chinese Academy of Sciences(XDB03020300) ; National Natural Science Foundation of China(41173067 ; National Natural Science Foundation of China(41173067 ; 41021063) ; 41021063) ; Chinese Academy of Sciences(XDB03020300) ; Chinese Academy of Sciences(XDB03020300) ; National Natural Science Foundation of China(41173067 ; National Natural Science Foundation of China(41173067 ; 41021063) ; 41021063) ; Chinese Academy of Sciences(XDB03020300) ; Chinese Academy of Sciences(XDB03020300) ; National Natural Science Foundation of China(41173067 ; National Natural Science Foundation of China(41173067 ; 41021063) ; 41021063) ; Chinese Academy of Sciences(XDB03020300) ; Chinese Academy of Sciences(XDB03020300) ; National Natural Science Foundation of China(41173067 ; National Natural Science Foundation of China(41173067 ; 41021063) ; 41021063)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/85694]
专题	中国科学院地质与地球物理研究所
通讯作者	Kong Ping
作者单位	Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earths Deep Interior, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Zheng Yong,Jia Jun,Nie XiKe,et al. Cosmogenic nuclide burial age of the Sanying Formation and its implications[J]. SCIENCE CHINA-EARTH SCIENCES,2014,57(6):1141-1149.
APA	Zheng Yong,Jia Jun,Nie XiKe,&Kong Ping.(2014).Cosmogenic nuclide burial age of the Sanying Formation and its implications.SCIENCE CHINA-EARTH SCIENCES,57(6),1141-1149.
MLA	Zheng Yong,et al."Cosmogenic nuclide burial age of the Sanying Formation and its implications".SCIENCE CHINA-EARTH SCIENCES 57.6(2014):1141-1149.