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Article: Precise timing of the early Paleozoic metamorphism and thrust deformation in the Eastern Kunlun Orogen

TitlePrecise timing of the early Paleozoic metamorphism and thrust deformation in the Eastern Kunlun Orogen
Authors
KeywordsEast Kunlun mountains
Geochronology
Metamorphic and deformation event
Issue Date2002
PublisherScience China Press. The Journal's web site is located at http://www.springerlink.com/content/1001-6538/
Citation
Chinese Science Bulletin, 2002, v. 47 n. 13, p. 1130-1133 How to Cite?
AbstractIn Dulan County, Qinghai Province NW China, the arc volcanic sequences in the northern side of the Central Fault of the East Kunlun were metamorphosed progressively from upper greenschist facies in the south to epidote-amphibolite facies in the north. High-angle thrust deformation was developed synchronously with the peak metamorphim and superimposed with later low-angle striking-slip deformation. Zircon U-Pb dating yields a concordant age of (448 ± 4) Ma for the metavolcanics. Syn-kinematic horn-blende and muscovite separated from the high-angle thrusting belt give 40Ar- 39Ar plateau age of (427 ± 4) Ma and 408 Ma, respectively. These results precisely constrain the timing of the closure of early Paleozoic volcanic basin (Proto-Tethys) over the eastern portion of the East Kunlun Orogen, and the thrust tectonic slice had a cool rate of ca. 9°C/Ma.
Persistent Identifierhttp://hdl.handle.net/10722/73097
ISSN
2015 Impact Factor: 1.789
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChen, Nen_HK
dc.contributor.authorSun, Men_HK
dc.contributor.authorHe, Len_HK
dc.contributor.authorZhang, Ken_HK
dc.contributor.authorWang, Gen_HK
dc.date.accessioned2010-09-06T06:48:01Z-
dc.date.available2010-09-06T06:48:01Z-
dc.date.issued2002en_HK
dc.identifier.citationChinese Science Bulletin, 2002, v. 47 n. 13, p. 1130-1133en_HK
dc.identifier.issn1001-6538en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73097-
dc.description.abstractIn Dulan County, Qinghai Province NW China, the arc volcanic sequences in the northern side of the Central Fault of the East Kunlun were metamorphosed progressively from upper greenschist facies in the south to epidote-amphibolite facies in the north. High-angle thrust deformation was developed synchronously with the peak metamorphim and superimposed with later low-angle striking-slip deformation. Zircon U-Pb dating yields a concordant age of (448 ± 4) Ma for the metavolcanics. Syn-kinematic horn-blende and muscovite separated from the high-angle thrusting belt give 40Ar- 39Ar plateau age of (427 ± 4) Ma and 408 Ma, respectively. These results precisely constrain the timing of the closure of early Paleozoic volcanic basin (Proto-Tethys) over the eastern portion of the East Kunlun Orogen, and the thrust tectonic slice had a cool rate of ca. 9°C/Ma.en_HK
dc.languageengen_HK
dc.publisherScience China Press. The Journal's web site is located at http://www.springerlink.com/content/1001-6538/en_HK
dc.relation.ispartofChinese Science Bulletinen_HK
dc.subjectEast Kunlun mountainsen_HK
dc.subjectGeochronologyen_HK
dc.subjectMetamorphic and deformation eventen_HK
dc.titlePrecise timing of the early Paleozoic metamorphism and thrust deformation in the Eastern Kunlun Orogenen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1001-6538&volume=47&issue=13&spage=1130&epage=1133&date=2002&atitle=Precise+timing+of+the+Early+Paleozoic+metamorphism+and+thrust+deformation+in+the+Eastern+Kunlun+Orogenen_HK
dc.identifier.emailSun, M:minsun@hku.hken_HK
dc.identifier.authoritySun, M=rp00780en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1360/02tb9253en_HK
dc.identifier.scopuseid_2-s2.0-20544468930en_HK
dc.identifier.hkuros81954en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-20544468930&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume47en_HK
dc.identifier.issue13en_HK
dc.identifier.spage1130en_HK
dc.identifier.epage1133en_HK
dc.identifier.isiWOS:000176393200016-
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridChen, N=12796732200en_HK
dc.identifier.scopusauthoridSun, M=25932315800en_HK
dc.identifier.scopusauthoridHe, L=55074305900en_HK
dc.identifier.scopusauthoridZhang, K=7404451403en_HK
dc.identifier.scopusauthoridWang, G=16033701800en_HK

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