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Article: Geology and geochemistry of the Shuanggou ophiolite (Ailao Shan ophiolitic belt), Yunnan Province, SW China: Evidence for a slow-spreading oceanic basin origin

TitleGeology and geochemistry of the Shuanggou ophiolite (Ailao Shan ophiolitic belt), Yunnan Province, SW China: Evidence for a slow-spreading oceanic basin origin
Authors
KeywordsAilao Shan
China
Geochemistry
Ophiolite
Shuanggou
Slow-spreading basin
Issue Date2008
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaes
Citation
Journal Of Asian Earth Sciences, 2008, v. 32 n. 5-6, p. 385-395 How to Cite?
AbstractThe early Carboniferous Shuanggou ophiolite lies in the middle segment of the Ailao Shan orogenic belt between the South China Block to the north and the Indochina Block to the south. The ophiolite consists of meta-peridotite, gabbro, diabase and basalt, capped by radiolarian-bearing siliceous rocks. No layered gabbros or sheeted dikes have been observed. The meta-peridotite underwent low degrees of partial melting, consistent with the low magma budget of this oceanic lithosphere. Whole-rock rare earth element analyses of gabbro indicate a geochemical affinity with normal mid-ocean ridge basalts, consistent with the crystallization order of plagioclase followed by clinopyroxene recognized in the gabbros. The ophiolite is believed to have formed in a small, slow-spreading oceanic basin. Collision of the Indochina Block with the South China Block in the late Paleozoic was responsible for the closure of the oceanic basin and emplacement of the ophiolite in the Ailao Shan orogenic belt. © 2007 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/72854
ISSN
2015 Impact Factor: 2.647
2015 SCImago Journal Rankings: 1.393
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYumul, GP Jren_HK
dc.contributor.authorZhou, MFen_HK
dc.contributor.authorWang, CYen_HK
dc.contributor.authorZhao, TPen_HK
dc.contributor.authorDimalanta, CBen_HK
dc.date.accessioned2010-09-06T06:45:44Z-
dc.date.available2010-09-06T06:45:44Z-
dc.date.issued2008en_HK
dc.identifier.citationJournal Of Asian Earth Sciences, 2008, v. 32 n. 5-6, p. 385-395en_HK
dc.identifier.issn1367-9120en_HK
dc.identifier.urihttp://hdl.handle.net/10722/72854-
dc.description.abstractThe early Carboniferous Shuanggou ophiolite lies in the middle segment of the Ailao Shan orogenic belt between the South China Block to the north and the Indochina Block to the south. The ophiolite consists of meta-peridotite, gabbro, diabase and basalt, capped by radiolarian-bearing siliceous rocks. No layered gabbros or sheeted dikes have been observed. The meta-peridotite underwent low degrees of partial melting, consistent with the low magma budget of this oceanic lithosphere. Whole-rock rare earth element analyses of gabbro indicate a geochemical affinity with normal mid-ocean ridge basalts, consistent with the crystallization order of plagioclase followed by clinopyroxene recognized in the gabbros. The ophiolite is believed to have formed in a small, slow-spreading oceanic basin. Collision of the Indochina Block with the South China Block in the late Paleozoic was responsible for the closure of the oceanic basin and emplacement of the ophiolite in the Ailao Shan orogenic belt. © 2007 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaesen_HK
dc.relation.ispartofJournal of Asian Earth Sciencesen_HK
dc.subjectAilao Shanen_HK
dc.subjectChinaen_HK
dc.subjectGeochemistryen_HK
dc.subjectOphioliteen_HK
dc.subjectShuanggouen_HK
dc.subjectSlow-spreading basinen_HK
dc.titleGeology and geochemistry of the Shuanggou ophiolite (Ailao Shan ophiolitic belt), Yunnan Province, SW China: Evidence for a slow-spreading oceanic basin originen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1367-9120&volume=32&issue=5-6&spage=385&epage=395&date=2008&atitle=Geology+and+geochemistry+of+the+Shuanggou+ophiolite+(Ailao+Shan+ophiolitic+belt),+Yunnan+Province,+SW+China:+evidence+for+a+slow-spreading+oceanic+basin+originen_HK
dc.identifier.emailZhou, MF: mfzhou@hkucc.hku.hken_HK
dc.identifier.emailWang, Y: wangyan2002@hkusua.hku.hk-
dc.identifier.emailZhao, T: tpzhao@gig.ac.cn-
dc.identifier.authorityZhou, MF=rp00844en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jseaes.2007.11.007en_HK
dc.identifier.scopuseid_2-s2.0-41849083491en_HK
dc.identifier.hkuros144281en_HK
dc.identifier.hkuros167306-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-41849083491&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume32en_HK
dc.identifier.issue5-6en_HK
dc.identifier.spage385en_HK
dc.identifier.epage395en_HK
dc.identifier.isiWOS:000256265700007-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridYumul Jr, GP=7003858862en_HK
dc.identifier.scopusauthoridZhou, MF=7403506005en_HK
dc.identifier.scopusauthoridWang, CY=34976092700en_HK
dc.identifier.scopusauthoridZhao, TP=35730612500en_HK
dc.identifier.scopusauthoridDimalanta, CB=6602158221en_HK

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