中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Lower crustal contribution to the magma formation of the Damiao massif type anorthosite, North China Craton: Evidence from zircon Hf-O isotopes

文献类型:期刊论文

作者He, Hai-Long1,2; Song, Xie-Yan2; Zhai, Ming-Guo1,3; Yu, Song-Yue2; Du, Zhi-Song4
刊名PRECAMBRIAN RESEARCH
出版日期2019-09-15
卷号332页码:14
关键词Anorthosite Damiao Massif-type anorthosite Zircon Hf-O isotopes Earth's Middle Age Anorogenic
ISSN号0301-9268
DOI10.1016/j.precamres.2019.105396
英文摘要The formation of massif-type anorthosites and the associated mangerite, chamockite and (rapakivi-) granite (AMCG suite) are mostly restricted in the "Earth's Middle Age" (similar to 1.70-0.75 Ga), and the magma sources of massif-type anorthosites are highly debated between the depleted mantle and the mafic lower crust. The similar to 1.7 Ga Damiao massif-type anorthosite in the North China Craton consists mainly of anorthosite and leuconorite with minor melanorite, mangerite, Fe-Ti-(P) ores and abundant ferrodioritic or gabbroic dykes. In-situ zircon Hf-O isotopic data from anorthosite reveal decoupling of mantle-like delta O-18 values (5.1-7.4) and ancient crustal-like epsilon(Hf)(T) values (-4.0 to -8.9). Since the significant Lu-177/Hf-176 reduction in the lower mafic crust, the mafic lower crustal materials derived from depleted mantle could display an ancient crustal medium to high negative epsilon(Hf)(T) values after long period of time (e.g., 0.5-1.0 Ga). In contrast, if no supracrustal materials were added, these mafic crustal materials would retain the mantle delta O-18 features. Thus, the decoupling of mantle-like delta O-18 and ancient crustal-like epsilon(Hf)(T) values suggest a lower crustal origin of the Damiao massif-type anorthosite. Compilation of Sr-Nd-O isotopic data of massif-type anorthosites reveal decoupling of epsilon(Hf)(T), initial Sr-87/Sr-86 and 8180 values, which signifies important lower crustal input in magmas sources of most massif-type anorthosites. We proposed that zircon U-Pb age of the Damiao massif-type anorthosite (similar to 1.70 Ga) and regional age correlation suggest that the anorthosite was emplaced in an intraplate, anorogenic extensional setting after the Paleoproterozoic orogeny had ended.
WOS关键词MAFIC DYKE SWARMS ; U-PB AGES ; KOROSTEN AMCG COMPLEX ; CENTRAL OROGENIC BELT ; RAPAKIVI GRANITE ; GRENVILLE-PROVINCE ; IN-SITU ; LU-HF ; PROTEROZOIC ANORTHOSITE ; GEOLOGICAL SIGNIFICANCE
资助项目National Natural Science Foundation of China[41630316] ; National Natural Science Foundation of China[41873026] ; National Key Research and Development Program of China[2016YFC0600502]
WOS研究方向Geology
语种英语
WOS记录号WOS:000487566500011
出版者ELSEVIER
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 Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program 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 Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program 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 Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program 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 Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/93701]  
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Song, Xie-Yan; Zhai, Ming-Guo
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, 19 Beitucheng West Rd, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, 99 Lincheng West Rd, Guiyang 550002, Guizhou, Peoples R China
3.Univ Chinese Acad Sci, Key Lab Computat Geodynam, Beijing 100049, Peoples R China
4.4th Geol Team Hebei Geol & Min Bur, Chengde 067000, Peoples R China
推荐引用方式
GB/T 7714
He, Hai-Long,Song, Xie-Yan,Zhai, Ming-Guo,et al. Lower crustal contribution to the magma formation of the Damiao massif type anorthosite, North China Craton: Evidence from zircon Hf-O isotopes[J]. PRECAMBRIAN RESEARCH,2019,332:14.
APA He, Hai-Long,Song, Xie-Yan,Zhai, Ming-Guo,Yu, Song-Yue,&Du, Zhi-Song.(2019).Lower crustal contribution to the magma formation of the Damiao massif type anorthosite, North China Craton: Evidence from zircon Hf-O isotopes.PRECAMBRIAN RESEARCH,332,14.
MLA He, Hai-Long,et al."Lower crustal contribution to the magma formation of the Damiao massif type anorthosite, North China Craton: Evidence from zircon Hf-O isotopes".PRECAMBRIAN RESEARCH 332(2019):14.

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来源:地质与地球物理研究所

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