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Detrital zircon U-Pb age and Hf isotopic composition and whole-rock geochemical characteristics of the Statherian Huangqikou Formation, western margin of the North China Craton: Implications for provenance and tectonic evolution

文献类型：期刊论文

作者Pang, Lanyin1,3,4; Zhu, Xiyan1,2; Hu, Bo7; Wang, Wei6; Sun, Qianying5; Zhao, Taiping1,4
刊名PRECAMBRIAN RESEARCH
出版日期2020-09-01
卷号347页码:21
ISSN号0301-9268
关键词North China Craton Alxa Block Huangqikou Formation Geochemistry Detrital zircon Rift basin
DOI10.1016/j.precamres.2020.105840
英文摘要Proterozoic sedimentary covers in the Helan-Qianli Mountain area, western margin of the North China Craton (NCC), include the Huangqikou, Wangquankou and Zhengmuguan formations from bottom to top. The Huangqikou Formation, mainly distributed in the Middle Helan Mountain (MHM), North Helan Mountain (NHM) and Qianli Mountain (QM), is composed of conglomerate, quartz sandstone and silty-argillaceous shale that are locally metamorphosed into quartzite and slate. Detrital zircon U-Pb dating and stratigraphic correlation bracket that the Huangqikou Formation deposited during 1.75-1.60 Ga. Petrologic and geochemical features suggest that the provenance was sourced from felsic rocks and pre-existed sedimentary rocks. U-Pb ages of detrital zircons from the Huangqikou Formation in the MHM area yield age ranges at 2.5-2.35 Ga, 2.2-2.0 Ga and 1.95-1.8 Ga, while those in the NHM-QM areas yield age ranges at 2.5-2.4 Ga, 2.0-1.95 Ga and 1.85-1.78 Ga. The remarkable geochronological and isotopic similarity suggests that the early Paleoproterozoic granitic gneiss in the Ordos Block and Zhaochigou complex in the Khondalite Belt are the dominant source rocks for the Huangqikou Formation in the MHM. However, the provenances of the Huangqikou Formation in the NHM-QM are dominated by the granitoids in Guyang area of the Yinshan Block, the S-type granites and para-gneisses in the Khondalite Belt and the TTG gneisses, Bayanwulashan complex and Boluositanmiao complex in the Alxa Block, as well as a small amount basement rocks in Alxa Block. The characteristics of geochemistry, provenance and regional geological data indicate that the Huangqikou Formation deposited in a rift basin. Besides, detritus sourced from the Alxa Block in the clastic sedimentary rocks of the Huangqikou Formation imply that the Alxa Block was already a part of the NCC before ca.1.75 Ga. The U-Pb age and Lu-Hf isotopic characteristics of detrital zircons from the Statherian show that rapid generation of juvenile crust in the western Block was at 2.9-2.7 Ga, yet the ca.2.5 Ga magmatic activity strongly reworked pre-existed crust with negligible juvenile crust generation. The magmatic activities quite possibly developed in the Western Block during the global magmatic shutdown (2.45-2.2 Ga).
WOS关键词S-TYPE GRANITES ; PLASMA-MASS SPECTROMETRY ; ALXA BLOCK ; KHONDALITE BELT ; PALEOPROTEROZOIC EVOLUTION ; METAMORPHIC ROCKS ; DEPOSITIONAL AGE ; TRACE-ELEMENT ; CONTINENTAL-CRUST ; HELANSHAN COMPLEX
资助项目National Natural Science Foundation of China[41630211] ; National Natural Science Foundation of China[41573041]
WOS研究方向Geology
语种英语
出版者ELSEVIER
WOS记录号WOS:000561218200017
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/97662]  
专题地质与地球物理研究所_中国科学院矿产资源研究重点实验室
通讯作者Zhao, Taiping
作者单位1.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Mineral & Metallogeny, Guangzhou 510640, Peoples R China
5.Guangdong Acad Sci, Natl Reg Joint Engn Res Ctr Soil Pollut Control &, Guangdong Inst Ecoenvironm Sci & Technol, Guangdong Key Lab Integrated Agroenvironm Pollut, Guangzhou 510650, Peoples R China
6.China Univ Geosci, Sch Earth Sci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
7.Changan Univ, Sch Earth Sci & Resources, Xian 710054, Peoples R China
推荐引用方式
GB/T 7714		 Pang, Lanyin,Zhu, Xiyan,Hu, Bo,et al. Detrital zircon U-Pb age and Hf isotopic composition and whole-rock geochemical characteristics of the Statherian Huangqikou Formation, western margin of the North China Craton: Implications for provenance and tectonic evolution[J]. PRECAMBRIAN RESEARCH,2020,347:21.
APA Pang, Lanyin,Zhu, Xiyan,Hu, Bo,Wang, Wei,Sun, Qianying,&Zhao, Taiping.(2020).Detrital zircon U-Pb age and Hf isotopic composition and whole-rock geochemical characteristics of the Statherian Huangqikou Formation, western margin of the North China Craton: Implications for provenance and tectonic evolution.PRECAMBRIAN RESEARCH,347,21.
MLA Pang, Lanyin,et al."Detrital zircon U-Pb age and Hf isotopic composition and whole-rock geochemical characteristics of the Statherian Huangqikou Formation, western margin of the North China Craton: Implications for provenance and tectonic evolution".PRECAMBRIAN RESEARCH 347(2020):21.

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