干旱区生态环境知识资源中心(Arid): Zircons from the Tarim basement provide insights into its positions in Columbia and Rodinia supercontinents

Arid

DOI	10.1016/j.precamres.2020.105621
	Zircons from the Tarim basement provide insights into its positions in Columbia and Rodinia supercontinents
	Wang, Peng 1; Zhao, Guochun 1,2; Liu, Qian 1; Han, Yigui 2; Yao, Jinlong 2,3; Li, Jianhua 4
通讯作者	Zhao, Guochun
来源期刊	PRECAMBRIAN RESEARCH
ISSN	0301-9268
EISSN	1872-7433
出版年	2020
卷号	341
英文摘要	The positions of the Tarim Craton in two Precambrian supercontinents Columbia and Rodinia still remain unknown or controversial, as the craton is largely covered by desert in the central part and only sparse Precambrian basement rocks are scattered at its margins. In this contribution, we attempt to use new in situ zircon U-Pb ages and Hf isotopic data, combined with comprehensive compiled data from Precambrian basement rocks at its margins, to provide new insights into positions in two Precambrian supercontinents. Detrital zircon profiles of northern Tarim and southern Siberia are characterized by a peak at 2.0-1.8 Ga and the lack of 1.7-1.1 Ga zircons. Moreover, both the 2.0-1.8 Ga detrital zircons show remarkable similarities dominated by mostly negative epsilon Hf(t) values ranging from -15 to 0. In addition, 2.0-1.8 Ga collisional granitic rocks are exposed in two terranes. These suggest that northern Tarim likely collided with southern Siberia at 2.0-1.8 Ga during the assembly of Columbia. In southern Tarim, Neoproterozoic magmatic rocks were closely related with the evolution of Rodinia. The similar to 0.9 Ga Ma gneissic granites in Altyn Tagh area were formed in collisional settings due to the collision between southern Tarim and northern India during the assembly of Rodinia, which is supported by distinctly comparable zircon age spectra and Hf isotopes from Neoproterozoic strata in two terrenes. This model considers the Tarim Craton as a single block in the period from Columbia to Rodinia, which can explain different tectonomagamtic events in northern and southern Tarim.
英文关键词	Igneous rock Detrital zircon Columbia Rodinia Tarim Craton
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000528207600005
WOS关键词	TIEKELIKE TECTONIC BELT ; U-PB GEOCHRONOLOGY ; SOUTHWESTERN TARIM ; NORTHWEST CHINA ; NW CHINA ; DETRITAL ZIRCON ; PRECAMBRIAN BASEMENT ; CRUSTAL EVOLUTION ; DUNHUANG BLOCK ; MESOPROTEROZOIC SUPERCONTINENT
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
来源机构	南京大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/319280
作者单位	1.Univ Hong Kong, Dept Earth Sci, Pokfulam Rd, Hong Kong, Peoples R China; 2.Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Northern Taibei St 229, Xian 710069, Peoples R China; 3.Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210093, Peoples R China; 4.Chinese Acad Geol Sci, Inst Geomech, Beijing 100081, Peoples R China
推荐引用方式 GB/T 7714	Wang, Peng,Zhao, Guochun,Liu, Qian,et al. Zircons from the Tarim basement provide insights into its positions in Columbia and Rodinia supercontinents[J]. 南京大学,2020,341.
APA	Wang, Peng,Zhao, Guochun,Liu, Qian,Han, Yigui,Yao, Jinlong,&Li, Jianhua.(2020).Zircons from the Tarim basement provide insights into its positions in Columbia and Rodinia supercontinents.PRECAMBRIAN RESEARCH,341.
MLA	Wang, Peng,et al."Zircons from the Tarim basement provide insights into its positions in Columbia and Rodinia supercontinents".PRECAMBRIAN RESEARCH 341(2020).