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Olivine Oxygen Isotope Evidence for Intracontinental Recycling of Delaminated Continental Crust

文献类型：期刊论文

作者Wang, Chun-Guang1; Xu, Wen-Liang1,2; Yang, De-Bin1; Liu, Yong-Sheng2; Pei, Fu-Ping1; Li, Qiu-Li3; Zhou, Qun-Jun1
刊名GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
出版日期2018-07-01
卷号19期号:7页码:1913-1924
关键词North China Craton olivine oxygen isotope peridotite xenolith lithospheric mantle recycling continental crust
ISSN号1525-2027
DOI10.1029/2017GC007284
英文摘要This paper reports the oxygen isotope compositions of olivine from dunite, wehrlite, harzburgite, and lherzolite xenoliths entrained by the Early Cretaceous high-Mg diorites and Late Cretaceous basalts in the central and eastern North China Craton, with the aim of constraining processes that happened in the lithospheric mantle. Olivine oxygen isotope compositions were analyzed in situ using secondary ion mass spectrometry. Olivine O-18 of harzburgite and lherzolite xenoliths hosted in the Fushan and Tietonggou diorites with Archean and Paleoproterozoic rhenium-depletion model ages ranges from 5.1 to 5.8, similar to olivine from spinel lherzolite xenoliths in the Late Cretaceous Fuxin basalts (olivine O-18=5.2-5.4) and typical mantle olivine. In contrast, olivine O-18 from dunite and wehrlite xenoliths ranges from 6.1 to 7.7 parts per thousand, significantly higher than the typical mantle values. The olivine oxygen isotope data, combined with the petrologic observations, mineral compositions, and whole-rock trace element and Sr-Nd-Os isotope compositions of the peridotite, suggest that the peridotites in Early Cretaceous high-Mg diorites had been affected by interaction with melt derived from delaminated continental crust. These data provide compelling evidence for the recycling of continental crust in an intracontinental setting.
WOS关键词NORTH-CHINA-CRATON ; MESOZOIC ADAKITIC ROCKS ; LITHOSPHERE BENEATH ; TECTONIC IMPLICATIONS ; ULTRAMAFIC XENOLITHS ; PERIDOTITE XENOLITHS ; ECLOGITE XENOLITHS ; MANTLE XENOLITHS ; EASTERN CHINA ; PB ISOTOPES
资助项目Key Basic Research Program of China[2015CB856101] ; National Natural Science Foundation of China[41602043] ; National Natural Science Foundation of China[41330206]
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000443389300001
出版者AMER GEOPHYSICAL UNION
资助机构Key Basic Research Program of China ; National Natural Science Foundation of China ; Key Basic Research Program of China ; National Natural Science Foundation of China ; Key Basic Research Program of China ; National Natural Science Foundation of China ; Key Basic Research Program of China ; National Natural Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/88451]  
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Xu, Wen-Liang
作者单位1.Jilin Univ, Coll Earth Sci, Changchun, Jilin, Peoples R China
2.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan, Hubei, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Chun-Guang,Xu, Wen-Liang,Yang, De-Bin,et al. Olivine Oxygen Isotope Evidence for Intracontinental Recycling of Delaminated Continental Crust[J]. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,2018,19(7):1913-1924.
APA Wang, Chun-Guang.,Xu, Wen-Liang.,Yang, De-Bin.,Liu, Yong-Sheng.,Pei, Fu-Ping.,...&Zhou, Qun-Jun.(2018).Olivine Oxygen Isotope Evidence for Intracontinental Recycling of Delaminated Continental Crust.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,19(7),1913-1924.
MLA Wang, Chun-Guang,et al."Olivine Oxygen Isotope Evidence for Intracontinental Recycling of Delaminated Continental Crust".GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 19.7(2018):1913-1924.

入库方式： OAI收割

来源：地质与地球物理研究所

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