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Article: Oceanic lithospheric mantle beneath the continental crust of the Chinese Altai

TitleOceanic lithospheric mantle beneath the continental crust of the Chinese Altai
Authors
KeywordsContinental crusts
Effective mechanisms
High field strength elements
In-buildings
Lithospheric mantle
Issue Date2011
PublisherGeological Society Publishing House. The Journal's web site is located at http://www.geolsoc.org.uk/gsl/publications/journals/jgs
Citation
Journal Of The Geological Society, 2011, v. 168 n. 4, p. 995-1000 How to Cite?
AbstractAlthough subduction-accretion is proposed as a major regime in making new continental crust, how the lithospheric mantle forms remains unclear. Formed after the closure of the Palaeo-Asian Ocean, the Ashele basalt shows normal mid-ocean ridge basalt (N-MORB)-like characteristics with light REE-depleted patterns and extremely low contents of high field strength elements. The low Zr/Y and Nb/Y ratios of the basalt are significantly different from those of asthenosphere-derived melts, and the excess Eu and Sr suggest that the basalt was probably derived from accreted oceanic lithospheric mantle. The presence of the NMORB- like terrestrial basalt implies that subduction-accretion is an effective mechanism in building the refractory lithospheric mantle of Phanerozoic continents. © The Geological Society of London.
Persistent Identifierhttp://hdl.handle.net/10722/139175
ISSN
2015 Impact Factor: 2.473
2015 SCImago Journal Rankings: 1.449
ISI Accession Number ID
Funding AgencyGrant Number
National Basic Research Program of China2007CB411308
CASKZCX2-YW-Q08-3-6
NSFC40721063
40772130
40725009
Hong Kong RGCHKU704307P
CAS/SAFEA International Partnership Program for Creative Research Teams
Funding Information:

We thank A. Polat and P. Cawood for their critical reviews and constructive suggestions. The authors benefited from discussions with M. Zhou and J. Zhao. This work was supported by research grants from the National Basic Research Program of China (2007CB411308), Knowledge Innovation Project of CAS (KZCX2-YW-Q08-3-6), NSFC projects 40721063, 40772130 and 40725009, Hong Kong RGC grant (HKU704307P) and CAS/SAFEA International Partnership Program for Creative Research Teams. This is Contribution IS-1301 from GIGCAS.

References

 

DC FieldValueLanguage
dc.contributor.authorYuan, Cen_HK
dc.contributor.authorSun, Men_HK
dc.contributor.authorXu, Yen_HK
dc.contributor.authorZhao, Gen_HK
dc.contributor.authorXiao, Wen_HK
dc.contributor.authorLong, Xen_HK
dc.contributor.authorYin, Jen_HK
dc.date.accessioned2011-09-23T05:46:21Z-
dc.date.available2011-09-23T05:46:21Z-
dc.date.issued2011en_HK
dc.identifier.citationJournal Of The Geological Society, 2011, v. 168 n. 4, p. 995-1000en_HK
dc.identifier.issn0016-7649en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139175-
dc.description.abstractAlthough subduction-accretion is proposed as a major regime in making new continental crust, how the lithospheric mantle forms remains unclear. Formed after the closure of the Palaeo-Asian Ocean, the Ashele basalt shows normal mid-ocean ridge basalt (N-MORB)-like characteristics with light REE-depleted patterns and extremely low contents of high field strength elements. The low Zr/Y and Nb/Y ratios of the basalt are significantly different from those of asthenosphere-derived melts, and the excess Eu and Sr suggest that the basalt was probably derived from accreted oceanic lithospheric mantle. The presence of the NMORB- like terrestrial basalt implies that subduction-accretion is an effective mechanism in building the refractory lithospheric mantle of Phanerozoic continents. © The Geological Society of London.en_HK
dc.languageengen_US
dc.publisherGeological Society Publishing House. The Journal's web site is located at http://www.geolsoc.org.uk/gsl/publications/journals/jgsen_HK
dc.relation.ispartofJournal of the Geological Societyen_HK
dc.subjectContinental crusts-
dc.subjectEffective mechanisms-
dc.subjectHigh field strength elements-
dc.subjectIn-buildings-
dc.subjectLithospheric mantle-
dc.titleOceanic lithospheric mantle beneath the continental crust of the Chinese Altaien_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0016-7649&volume=168&issue=4&spage=995&epage=1000&date=2011&atitle=Oceanic+lithospheric+mantle+beneath+the+continental+crust+of+the+Chinese+Altai-
dc.identifier.emailSun, M:minsun@hku.hken_HK
dc.identifier.emailZhao, G:gzhao@hkucc.hku.hken_HK
dc.identifier.authoritySun, M=rp00780en_HK
dc.identifier.authorityZhao, G=rp00842en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1144/0016-76492010-058en_HK
dc.identifier.scopuseid_2-s2.0-79959494175en_HK
dc.identifier.hkuros193889en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79959494175&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume168en_HK
dc.identifier.issue4en_HK
dc.identifier.spage995en_HK
dc.identifier.epage1000en_HK
dc.identifier.isiWOS:000291636300015-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridYuan, C=35241599200en_HK
dc.identifier.scopusauthoridSun, M=25932315800en_HK
dc.identifier.scopusauthoridXu, Y=35333344300en_HK
dc.identifier.scopusauthoridZhao, G=7403296321en_HK
dc.identifier.scopusauthoridXiao, W=7202456615en_HK
dc.identifier.scopusauthoridLong, X=14012199100en_HK
dc.identifier.scopusauthoridYin, J=35212658500en_HK

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