IOCAS-IR
Detrital zircon U-Pb geochronology and geochemistry of late Neoproterozoic - early Cambrian sedimentary rocks in the Cathaysia Block: constraint on its palaeo-position in Gondwana supercontinent
Xiong, Chen1,2; Niu, Yaoling2,3; Chen, Hongde1,4; Chen, Anqing1,4; Zhang, Chenggong1; Li, Feng1,5; Yang, Shuai1; Xu, Shenglin1
2019-09-01
发表期刊GEOLOGICAL MAGAZINE
ISSN0016-7568
卷号156期号:9页码:1587-1604
通讯作者Xiong, Chen(xiongchen105@163.com) ; Chen, Anqing(aqinth@163.com)
摘要We present updated U-Pb ages and Hf isotopic compositions of detrital zircons and whole-rock geochemical data to investigate the provenance and tectonic setting of late Neoproterozoic and early Cambrian sandstones from the Cathaysia Block, in order to offer new constraints on its tectonic evolution and its palaeo-position within the supercontinent. The source rocks for the studied sandstones were dominated by felsic-intermediate materials with moderate weathering history. U-Pb dating results show major populations at c. 2500 Ma, 1000-900 Ma and 870-716 Ma with subordinate peaks at 655-532 Ma, consistent with the global Neoarchean continental crust growth, assembly and break-up of Rodinia, and Pan-African Event associated with the formation of Gondwana. Zircon U-Pb ages and Hf isotopic data suggest that most derived from exotic terranes once connected to the Cathaysia Block. Using whole-rock geochemical analysis, it was determined that the studied sedimentary rocks were deposited in a passive continental margin and the Cathaysia and Yangtze blocks were part of the same continent; no Cambrian ocean existed between them. Compiling a detrital zircon dataset from Qiangtang, northern India, the Lhasa Terrane and Western Australia, the Cathaysia Block seems to be more similar to the Qiangtang and western part of the northern India margin, instead of having a direct connection with the Lhasa Terrane and Western Australia in the Gondwana reconstruction during the late Neoproterozoic and Cambrian eons.
关键词provenance tectonic setting detrital zircon Cathaysia Block Gondwana
DOI10.1017/S0016756819000013
收录类别SCI
语种英语
资助项目Open Foundation of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation[PLC201605] ; National Science and Technology Major Project[2017ZX05008005] ; National Natural Science Foundation of China[41872109] ; Open Foundation of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation[PLC201605] ; National Science and Technology Major Project[2017ZX05008005] ; National Natural Science Foundation of China[41872109]
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000478894700006
出版者CAMBRIDGE UNIV PRESS
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/162406
专题中国科学院海洋研究所
通讯作者Xiong, Chen; Chen, Anqing
作者单位1.Chengdu Univ Technol, Inst Sedimentary Geol, Chengdu 610059, Sichuan, Peoples R China
2.Univ Durham, Dept Earth Sci, Durham DH1 3LE, England
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
4.Chengdu Univ Technol, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610059, Sichuan, Peoples R China
5.SINOPEC Southwest China Oil & Gas Co, Gas Prod Plant 3, Deyang, Peoples R China
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GB/T 7714
Xiong, Chen,Niu, Yaoling,Chen, Hongde,et al. Detrital zircon U-Pb geochronology and geochemistry of late Neoproterozoic - early Cambrian sedimentary rocks in the Cathaysia Block: constraint on its palaeo-position in Gondwana supercontinent[J]. GEOLOGICAL MAGAZINE,2019,156(9):1587-1604.
APA Xiong, Chen.,Niu, Yaoling.,Chen, Hongde.,Chen, Anqing.,Zhang, Chenggong.,...&Xu, Shenglin.(2019).Detrital zircon U-Pb geochronology and geochemistry of late Neoproterozoic - early Cambrian sedimentary rocks in the Cathaysia Block: constraint on its palaeo-position in Gondwana supercontinent.GEOLOGICAL MAGAZINE,156(9),1587-1604.
MLA Xiong, Chen,et al."Detrital zircon U-Pb geochronology and geochemistry of late Neoproterozoic - early Cambrian sedimentary rocks in the Cathaysia Block: constraint on its palaeo-position in Gondwana supercontinent".GEOLOGICAL MAGAZINE 156.9(2019):1587-1604.
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