High-pressure pelitic granulites from the Jiao-Liao-Ji Belt, North China Craton: A complete P-T path and its tectonic implications

doi:10.1016/j.jseaes.2016.10.015

CORC > 地质与地球物理研究所 > 中国科学院地质与地球物理研究所 > 岩石圈演化国家重点实验室

	High-pressure pelitic granulites from the Jiao-Liao-Ji Belt, North China Craton: A complete P-T path and its tectonic implications
	Zou, Yi 1,2; Zhai, Mingguo 1,3; Santosh, M.4,5; Zhou, Ligang 1; Zhao, Lei 1; Lu, Junsheng 3; Shan, Houxiang 1,2
刊名	JOURNAL OF ASIAN EARTH SCIENCES
	2017-02-01
卷号	134 页码:103-121
关键词	High-pressure Pelitic Granulite Thermobarometry P-t-x Pseudosections Jiao-liao-ji Belt Staurolite
ISSN号	1367-9120
DOI	10.1016/j.jseaes.2016.10.015
文献子类	Article
英文摘要	The Paleoproterozoic khondalite series rocks were widely distributed along the Jiao-Liao-Ji Belt (JLJB), North China Craton (NCC). Metamorphic investigations on these rocks can definitely shed light on the tectonic evolution of the JLJB and provide some clues for Paleoproterozoic history of the NCC. Here we present a comprehensive metamorphic study of high-pressure (HP) pelitic granulites from the Jiaobei terrane in the southern part of the JLJB and combine microstructure, mineral chemistry, Raman spectroscopy, thermobarometry, and P-T-X pseudosections in NCKFMASHTO to trace the metamorphic evolution of these rocks. Staurolite inclusion in kyanite was firstly reported using Raman spectroscopy and four successive mineral assemblages (M-1-M-4) were identified. Integrated method of thermobarometry and pseudosection modeling constrains P-T conditions of 6-8 kbar at below 660 degrees C, 15-16.6 kbar at 850-860 degrees C, 8.8-10.5 kbar at 830-870 degrees C, 5.8-7.8 kbar at 660-700 degrees C, for M-1-M-4, respectively. By employing the melt-reintegrated method, a prograde P-T trajectory is evaluated and hence a complete P-T path is defined that involves a prograde trajectory with marked increase both in pressure and temperature to peak metamorphism, followed by isothermal decompression and subsequent near-isobaric cooling. Such a P-T path implies that a subduction process before collision followed by subsequent extension and cooling processes, was involved in the formation the JLJB, consistent with an orogenic event. Available geochronological data suggests that HP granulites-facies metamorphism probably initiated at 1.90-1.95 Ga and that exhumation and cooling of the metamorphic terrane occurred at 1.80-1.85 Ga, indicating a long-lived hot orogeny during Paleoproterozoic. This contribution provides mineralogical evidence for low-pressure prograde metamorphism in HP pelitic granulites and hence gives a complete P-T path, placing a more rigorous metamorphic constraint on evolution of the JLJB. (C) 2016 Elsevier Ltd. All rights reserved.
WOS关键词	PALEOPROTEROZOIC CRUSTAL EVOLUTION ; PRECAMBRIAN METAMORPHIC BASEMENT ; GARNET-BIOTITE GEOTHERMOMETER ; WHOLE-ROCK GEOCHEMISTRY ; TEMPERATURE TIME PATHS ; LU-HF ISOTOPES ; U-PB ; KHONDALITE BELT ; SHANDONG PROVINCE ; WESTERN BLOCK
WOS研究方向	Geology
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000392767200010
资助机构	973 program(2012CB416606) ; 973 program(2012CB416606) ; National Natural Science Foundation of China(41530208 ; National Natural Science Foundation of China(41530208 ; 41210003) ; 41210003) ; 973 program(2012CB416606) ; 973 program(2012CB416606) ; National Natural Science Foundation of China(41530208 ; National Natural Science Foundation of China(41530208 ; 41210003) ; 41210003) ; 973 program(2012CB416606) ; 973 program(2012CB416606) ; National Natural Science Foundation of China(41530208 ; National Natural Science Foundation of China(41530208 ; 41210003) ; 41210003) ; 973 program(2012CB416606) ; 973 program(2012CB416606) ; National Natural Science Foundation of China(41530208 ; National Natural Science Foundation of China(41530208 ; 41210003) ; 41210003)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/52936]
专题	地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者	Zou, Yi
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China 4.Univ Adelaide, Dept Earth Sci, Adelaide, SA 5005, Australia 5.China Univ Geosci Beijing, Sch Earth Sci & Resources, 29 Xueyuan Rd, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Zou, Yi,Zhai, Mingguo,Santosh, M.,et al. High-pressure pelitic granulites from the Jiao-Liao-Ji Belt, North China Craton: A complete P-T path and its tectonic implications[J]. JOURNAL OF ASIAN EARTH SCIENCES,2017,134:103-121.
APA	Zou, Yi.,Zhai, Mingguo.,Santosh, M..,Zhou, Ligang.,Zhao, Lei.,...&Shan, Houxiang.(2017).High-pressure pelitic granulites from the Jiao-Liao-Ji Belt, North China Craton: A complete P-T path and its tectonic implications.JOURNAL OF ASIAN EARTH SCIENCES,134,103-121.
MLA	Zou, Yi,et al."High-pressure pelitic granulites from the Jiao-Liao-Ji Belt, North China Craton: A complete P-T path and its tectonic implications".JOURNAL OF ASIAN EARTH SCIENCES 134(2017):103-121.