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Article: Early Proterozic mafic dikes in the North China Craton and their tectonic implications

TitleEarly Proterozic mafic dikes in the North China Craton and their tectonic implications
Authors
KeywordsEarly Proterozoic
Elemental And Isotopic Geochemistry
Mafic Dikes
North China Block
Petrogenesis
Issue Date2007
Publisher中國礦物巖石地球化學學會. The Journal's web site is located at http://kydh.chinajournal.net.cn/
Citation
Bulletin Of Mineralogy Petrology And Geochemistry, 2007, v. 26 n. 1, p. 1-9 How to Cite?
AbstractThis paper synthetically presents the geochronological, elemental and isotopic data for the unmetamorphosed dikes from the Sangganhe, Lüliang and Hengshan, Fuping, Wutai and Taihang in the Central Zone, and western Shangdong in the Eastern Zone of the North China Craton respectively. The doleritic dikes, which is dated as 1781 - 1765 Ma, from the Central zone are tholeiitic basaltic compositions and can be geochemically classified into Group 1, 2 and 3. However, the dikes from the Eastern Block are subalkaline basalts and basaltic andesite, with dated age of about 1840 Ma. Petrological and geochemical analyses suggest that Group 1 dikes of the Central Zone were derived from a metasomatised lithospheric mantle with the involvement of recycled continental basaltic materials during subduction. Group 2 dikes originated from a mixture of subduction-modified lithospheric mantle with MORB component whereas Group 3 dikes are derived from the lithospheric mantle contaminated by subducted gabbroic componet. These dikes are closely asoociated with early stage of subduction/collision. The geochemical features of depleted HFSE and MORB type Nd isotopic compositions for the dikes from the Eastern Block suggest these dikes were products in a back-arc basin setting.
Persistent Identifierhttp://hdl.handle.net/10722/151214
ISSN
2015 SCImago Journal Rankings: 0.320
References

 

DC FieldValueLanguage
dc.contributor.authorWang, YJen_US
dc.contributor.authorPeng, TPen_US
dc.contributor.authorFan, WMen_US
dc.contributor.authorZhao, GCen_US
dc.contributor.authorYu, XBen_US
dc.date.accessioned2012-06-26T06:18:46Z-
dc.date.available2012-06-26T06:18:46Z-
dc.date.issued2007en_US
dc.identifier.citationBulletin Of Mineralogy Petrology And Geochemistry, 2007, v. 26 n. 1, p. 1-9en_US
dc.identifier.issn1007-2802en_US
dc.identifier.urihttp://hdl.handle.net/10722/151214-
dc.description.abstractThis paper synthetically presents the geochronological, elemental and isotopic data for the unmetamorphosed dikes from the Sangganhe, Lüliang and Hengshan, Fuping, Wutai and Taihang in the Central Zone, and western Shangdong in the Eastern Zone of the North China Craton respectively. The doleritic dikes, which is dated as 1781 - 1765 Ma, from the Central zone are tholeiitic basaltic compositions and can be geochemically classified into Group 1, 2 and 3. However, the dikes from the Eastern Block are subalkaline basalts and basaltic andesite, with dated age of about 1840 Ma. Petrological and geochemical analyses suggest that Group 1 dikes of the Central Zone were derived from a metasomatised lithospheric mantle with the involvement of recycled continental basaltic materials during subduction. Group 2 dikes originated from a mixture of subduction-modified lithospheric mantle with MORB component whereas Group 3 dikes are derived from the lithospheric mantle contaminated by subducted gabbroic componet. These dikes are closely asoociated with early stage of subduction/collision. The geochemical features of depleted HFSE and MORB type Nd isotopic compositions for the dikes from the Eastern Block suggest these dikes were products in a back-arc basin setting.en_US
dc.languageengen_US
dc.publisher中國礦物巖石地球化學學會. The Journal's web site is located at http://kydh.chinajournal.net.cn/zh_HK
dc.relation.ispartofBulletin of Mineralogy Petrology and Geochemistryen_US
dc.subjectEarly Proterozoicen_US
dc.subjectElemental And Isotopic Geochemistryen_US
dc.subjectMafic Dikesen_US
dc.subjectNorth China Blocken_US
dc.subjectPetrogenesisen_US
dc.titleEarly Proterozic mafic dikes in the North China Craton and their tectonic implicationsen_US
dc.typeArticleen_US
dc.identifier.emailZhao, GC:gzhao@hkucc.hku.hken_US
dc.identifier.authorityZhao, GC=rp00842en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-34547811595en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34547811595&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume26en_US
dc.identifier.issue1en_US
dc.identifier.spage1en_US
dc.identifier.epage9en_US
dc.publisher.placeChinaen_US
dc.identifier.scopusauthoridWang, YJ=7601487116en_US
dc.identifier.scopusauthoridPeng, TP=7201447871en_US
dc.identifier.scopusauthoridFan, WM=7401635313en_US
dc.identifier.scopusauthoridZhao, GC=7403296321en_US
dc.identifier.scopusauthoridYu, XB=18439049900en_US

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