Constraining the role of the Qinling orogen in the assembly and break-up;of Rodinia: Tectonic implications for Neoproterozoic granite occurrences

doi:10.1016/j.jseaes.2005.03.011

CORC > 中国地质调查局 > 中国地质调查局 > 中国地质调查局天津地质调查中心

	Constraining the role of the Qinling orogen in the assembly and break-up;of Rodinia: Tectonic implications for Neoproterozoic granite occurrences
	Chen, Zhihong 3; Lu, Songnian ; Li, Huaikun ; Li, Huimin ; Xiang, Zhenqun ; Zhou, Hongying ; Song, Biao
刊名	JOURNAL OF ASIAN EARTH SCIENCES
	2006
卷号	28 期号:1;SI SI 页码:99-115
关键词	U-Pb geochronology zircon Neoproterozoic Qinling orogen geochemistry Rodinia
ISSN号	1367-9120
DOI	10.1016/j.jseaes.2005.03.011
英文摘要	New SHRIMP and ID-TIMS dating results in this study reveal that the widespread Early-Neoproterozoic granites in the Qinling orogen were emplaced mainly between similar to 960 and similar to 900 Ma. Major elements, mineral compositions, and trace elements data also indicate that all these Early-Neoproterozoic granites are characterized by the features of crust-derived and typical continent-continent syn-collisional granites. This imply that continent-continent collisional event could have occurred in the Qinling orogen during the period of similar to 960 to similar to 900 Ma, which was closely related to the formation of Rodinia. Thus, our study argues that the final assembly of Rodina occurred at similar to 900 Ma. On the other hand, K-feldspar granite (DQ05) (A-type granite) and granodiorite (DQ07) from the study area are dated at 711 +/- 11 and 717 +/- 10 Ma, respectively, and are considered to have generated in an extensional setting. This extensional tectonic regime originated from similar to 810 Ma when large scale continental bimodal volcanic rocks were formed in South Qinling and lasted at least until the time of similar to 710 Ma, which is consistent with the break-up of Rodinia. This study also suggests that the North China Craton did not collide and join together with the South China Craton in the Neoproterozoic, and both of them were probably far away from each other. (c) 2006 Elsevier Ltd. All rights reserved.
学科主题	火成岩岩石学
WOS关键词	SOUTH CHINA ; CONTINENTAL-CRUST ; EAST ANTARCTICA ; YANGTZE CRATON ; SUPERCONTINENT ; LAURENTIA ; EVOLUTION ; ZIRCON ; RIFT ; PB
WOS研究方向	Geology
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000241087500009
内容类型	期刊论文
源URL	[http://119.78.100.197/handle/2HKVOGP0/38123]
专题	中国地质调查局天津地质调查中心
作者单位	1.Tianjin Inst Geol & Mineral Resources, Tianjin 300170, Peoples R China. 2.Chinese Acad Geol Sci, Beijing 100037, Peoples R China. 3.中国地质调查局天津地质调查中心
推荐引用方式 GB/T 7714	Chen, Zhihong,Lu, Songnian,Li, Huaikun,et al. Constraining the role of the Qinling orogen in the assembly and break-up;of Rodinia: Tectonic implications for Neoproterozoic granite occurrences[J]. JOURNAL OF ASIAN EARTH SCIENCES,2006,28(1;SI SI):99-115.
APA	Chen, Zhihong.,Lu, Songnian.,Li, Huaikun.,Li, Huimin.,Xiang, Zhenqun.,...&Song, Biao.(2006).Constraining the role of the Qinling orogen in the assembly and break-up;of Rodinia: Tectonic implications for Neoproterozoic granite occurrences.JOURNAL OF ASIAN EARTH SCIENCES,28(1;SI SI),99-115.
MLA	Chen, Zhihong,et al."Constraining the role of the Qinling orogen in the assembly and break-up;of Rodinia: Tectonic implications for Neoproterozoic granite occurrences".JOURNAL OF ASIAN EARTH SCIENCES 28.1;SI SI(2006):99-115.