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	Geochemistry of the chaokeshan ophiolite: product of intra-oceanic back-arc basin?
	Wang ShuQing1,2; Xu JiFeng1; Liu XiJun1,2; Hou QingYe3
刊名	Acta petrologica sinica
	2008-12-01
卷号	24期号:12页码:2869-2879
关键词	Ophiolite Geochemistry Back-arc basin Intra-oceanic arc Chaokeshan Inner mongolia
ISSN号	1000-0569
通讯作者	Wang shuqing()
英文摘要	Chaokeshan ophiolite, one of the best-outcropped ophiolitic blocks in inner mongolia region, likely formed in late carboniferous. the chondrite-normalized ree patterns of the mafic rocks of the chaokeshan ophiolite are of characteristics of lree depletion, similar to n-morb, while the spider diagram shows the enrichment of the large iron lithosphile elements and depletion of high field strength elements-the unique feature of the are volcanic rocks, so the tectonic setting of chaokeshan ophiolite may be back-arc basin. compared with modem intra-oceanic arc mariana trough basalts, continental marginal are okinawa trough hasalts and mafic rocks of the kuerti ophiolite which formed in paleo-intra-oceanic back-arc basin, the chaokeshan mafic rocks show geochemical characteristics similar to mariana and kuerti basalts, we suggest that the chaokeshan ophiolite was likely produced in an intra-oceanic back-are tectonic setting instead of continental margin back-arc basin.
WOS关键词	RARE-EARTH-ELEMENTS ; ASIAN OROGENIC BELT ; INNER-MONGOLIA ; HEGENSHAN OPHIOLITE ; TECTONIC EVOLUTION ; NORTHEAST CHINA ; INDIAN-OCEAN ; MANTLE ; MORB ; PETROGENESIS
WOS研究方向	Geology
WOS类目	Geology
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000262521400021
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2386250
专题	中国科学院大学
通讯作者	Wang ShuQing
作者单位	1.Chinese Acad Sci, Key Lab Isotope Geochronol & Geochem, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China 3.China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Wang ShuQing,Xu JiFeng,Liu XiJun,et al. Geochemistry of the chaokeshan ophiolite: product of intra-oceanic back-arc basin?[J]. Acta petrologica sinica,2008,24(12):2869-2879.
APA	Wang ShuQing,Xu JiFeng,Liu XiJun,&Hou QingYe.(2008).Geochemistry of the chaokeshan ophiolite: product of intra-oceanic back-arc basin?.Acta petrologica sinica,24(12),2869-2879.
MLA	Wang ShuQing,et al."Geochemistry of the chaokeshan ophiolite: product of intra-oceanic back-arc basin?".Acta petrologica sinica 24.12(2008):2869-2879.

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