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Article: Zircon U-Pb geochronology and elemental and Sr-Nd isotope geochemistry of Permian mafic rocks in the Funing area, SW China

TitleZircon U-Pb geochronology and elemental and Sr-Nd isotope geochemistry of Permian mafic rocks in the Funing area, SW China
Authors
Issue Date2006
PublisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00410/index.htm
Citation
Contributions To Mineralogy And Petrology, 2006, v. 151 n. 1, p. 1-19 How to Cite?
AbstractMafic-layered intrusions and sills and spatially associated andesitic basalts are well preserved in the Funing area, SW China. The 258±3 Ma-layered intrusions are composed of fine-grained gabbro, gabbro and diorite. The 260±3 Ma sills consist of undifferentiated diabases. Both the layered intrusions and volcanic rocks belong to a low-Ti group, whereas the diabases belong to a high-Ti group. Rocks of the high-Ti group have FeO, TiO2 and P2O5 higher but MgO and Th/Nb ratios lower than those of the low-Ti group. They have initial 87Sr/86Sr ratios (0.706-0.707) lower and εNd (-1.5 to -0.6) higher than the low-Ti equivalents (0.710-0.715 and -9.6 to -4.0, respectively). The high-Ti group was formed from relatively primitive, high-Ti magmas generated by low degrees (7.3 -9.5%) of partial melting of an enriched, OIB-type asthenospheric mantle source. The low-Ti group may have formed from melts derived from an EM2-like, lithospheric mantle source. The mafic rocks at Funing are part of the Emeishan large igneous province formed by a mantle plume at ∼260 Ma. © Springer-Verlag 2005.
Persistent Identifierhttp://hdl.handle.net/10722/151172
ISSN
2015 Impact Factor: 3.218
2015 SCImago Journal Rankings: 2.582
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhou, MFen_US
dc.contributor.authorZhao, JHen_US
dc.contributor.authorQi, Len_US
dc.contributor.authorSu, Wen_US
dc.contributor.authorHu, Ren_US
dc.date.accessioned2012-06-26T06:18:03Z-
dc.date.available2012-06-26T06:18:03Z-
dc.date.issued2006en_US
dc.identifier.citationContributions To Mineralogy And Petrology, 2006, v. 151 n. 1, p. 1-19en_US
dc.identifier.issn0010-7999en_US
dc.identifier.urihttp://hdl.handle.net/10722/151172-
dc.description.abstractMafic-layered intrusions and sills and spatially associated andesitic basalts are well preserved in the Funing area, SW China. The 258±3 Ma-layered intrusions are composed of fine-grained gabbro, gabbro and diorite. The 260±3 Ma sills consist of undifferentiated diabases. Both the layered intrusions and volcanic rocks belong to a low-Ti group, whereas the diabases belong to a high-Ti group. Rocks of the high-Ti group have FeO, TiO2 and P2O5 higher but MgO and Th/Nb ratios lower than those of the low-Ti group. They have initial 87Sr/86Sr ratios (0.706-0.707) lower and εNd (-1.5 to -0.6) higher than the low-Ti equivalents (0.710-0.715 and -9.6 to -4.0, respectively). The high-Ti group was formed from relatively primitive, high-Ti magmas generated by low degrees (7.3 -9.5%) of partial melting of an enriched, OIB-type asthenospheric mantle source. The low-Ti group may have formed from melts derived from an EM2-like, lithospheric mantle source. The mafic rocks at Funing are part of the Emeishan large igneous province formed by a mantle plume at ∼260 Ma. © Springer-Verlag 2005.en_US
dc.languageengen_US
dc.publisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00410/index.htmen_US
dc.relation.ispartofContributions to Mineralogy and Petrologyen_US
dc.titleZircon U-Pb geochronology and elemental and Sr-Nd isotope geochemistry of Permian mafic rocks in the Funing area, SW Chinaen_US
dc.typeArticleen_US
dc.identifier.emailZhou, MF: mfzhou@hkucc.hku.hken_US
dc.identifier.emailZhao, J: jhzhao@hkusua.hku.hk-
dc.identifier.emailQi, L: qiliang@hkusua.hku.hk-
dc.identifier.emailHu, R: huruizhong@vip.gyig.ac.cn-
dc.identifier.authorityZhou, MF=rp00844en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1007/s00410-005-0030-yen_US
dc.identifier.scopuseid_2-s2.0-29244488579en_US
dc.identifier.hkuros109738-
dc.identifier.hkuros123372-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-29244488579&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume151en_US
dc.identifier.issue1en_US
dc.identifier.spage1en_US
dc.identifier.epage19en_US
dc.identifier.isiWOS:000234020200001-
dc.publisher.placeGermanyen_US
dc.identifier.scopusauthoridZhou, MF=7403506005en_US
dc.identifier.scopusauthoridZhao, JH=11140043500en_US
dc.identifier.scopusauthoridQi, L=7202149924en_US
dc.identifier.scopusauthoridSu, W=7402010379en_US
dc.identifier.scopusauthoridHu, R=7202640800en_US
dc.customcontrol.immutablesml 130308-

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