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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
Title | Zircon U-Pb geochronology and elemental and Sr-Nd isotope geochemistry of Permian mafic rocks in the Funing area, SW China |
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Authors | |
Issue Date | 2006 |
Publisher | Springer 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? |
Abstract | Mafic-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 Identifier | http://hdl.handle.net/10722/151172 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 1.865 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Zhou, MF | en_US |
dc.contributor.author | Zhao, JH | en_US |
dc.contributor.author | Qi, L | en_US |
dc.contributor.author | Su, W | en_US |
dc.contributor.author | Hu, R | en_US |
dc.date.accessioned | 2012-06-26T06:18:03Z | - |
dc.date.available | 2012-06-26T06:18:03Z | - |
dc.date.issued | 2006 | en_US |
dc.identifier.citation | Contributions To Mineralogy And Petrology, 2006, v. 151 n. 1, p. 1-19 | en_US |
dc.identifier.issn | 0010-7999 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/151172 | - |
dc.description.abstract | Mafic-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.language | eng | en_US |
dc.publisher | Springer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00410/index.htm | en_US |
dc.relation.ispartof | Contributions to Mineralogy and Petrology | en_US |
dc.title | Zircon U-Pb geochronology and elemental and Sr-Nd isotope geochemistry of Permian mafic rocks in the Funing area, SW China | en_US |
dc.type | Article | en_US |
dc.identifier.email | Zhou, MF: mfzhou@hkucc.hku.hk | en_US |
dc.identifier.email | Zhao, J: jhzhao@hkusua.hku.hk | - |
dc.identifier.email | Qi, L: qiliang@hkusua.hku.hk | - |
dc.identifier.email | Hu, R: huruizhong@vip.gyig.ac.cn | - |
dc.identifier.authority | Zhou, MF=rp00844 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1007/s00410-005-0030-y | en_US |
dc.identifier.scopus | eid_2-s2.0-29244488579 | en_US |
dc.identifier.hkuros | 109738 | - |
dc.identifier.hkuros | 123372 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-29244488579&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 151 | en_US |
dc.identifier.issue | 1 | en_US |
dc.identifier.spage | 1 | en_US |
dc.identifier.epage | 19 | en_US |
dc.identifier.isi | WOS:000234020200001 | - |
dc.publisher.place | Germany | en_US |
dc.identifier.scopusauthorid | Zhou, MF=7403506005 | en_US |
dc.identifier.scopusauthorid | Zhao, JH=11140043500 | en_US |
dc.identifier.scopusauthorid | Qi, L=7202149924 | en_US |
dc.identifier.scopusauthorid | Su, W=7402010379 | en_US |
dc.identifier.scopusauthorid | Hu, R=7202640800 | en_US |
dc.customcontrol.immutable | sml 130308 | - |
dc.identifier.issnl | 0010-7999 | - |