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Article: Platinum-group element (PGE) geochemistry of the Emeishan basalts in the Pan-Xi area, SW China

TitlePlatinum-group element (PGE) geochemistry of the Emeishan basalts in the Pan-Xi area, SW China
Authors
KeywordsBasalts
Pan-Xi area
PGE
Sulfides
Issue Date2006
PublisherScience China Press. The Journal's web site is located at http://www.springerlink.com/content/1001-6538/
Citation
Chinese Science Bulletin, 2006, v. 51 n. 7, p. 845-854 How to Cite?
AbstractThe Longzhoushan and Ertan basalts in the Pan-Xi area were generated by relatively low degrees of partial melting (< 7%), during which Ir, Ru, and Rh are compatible while Pt and Pd are incompatible. Most of these samples have high PGE concentrations and much higher Pd/Ir and Cu/Pd ratios than those of primitive mantle. A small amount of sulfides (∼0.007%) remained in the mantle source during partial melting, whereas part of the magmas reached sulfide saturation and segregated PGE-rich sulfides (∼0.020%-0.033%) during ascent period. Osmium, Ir, and Pt could form platinum-group metallic alloys hosted in chromites or sulfides during fractional crystallization process, leading to the decoupling of Pt and Pd contents and considerable variations of Ir contents. Sulfides segregated from the basaltic magmas may provide important material sources for the formation of the Cu-Ni-PGE deposits (mineralization) in the mafic-ultramafic intrusions near the magma conduits. © Science in China Press 2006.
Persistent Identifierhttp://hdl.handle.net/10722/72873
ISSN
2014 Impact Factor: 1.579
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhong, Hen_HK
dc.contributor.authorZhu, Wen_HK
dc.contributor.authorQi, Len_HK
dc.contributor.authorZhou, Men_HK
dc.contributor.authorSong, Xen_HK
dc.contributor.authorZhang, Yen_HK
dc.date.accessioned2010-09-06T06:45:54Z-
dc.date.available2010-09-06T06:45:54Z-
dc.date.issued2006en_HK
dc.identifier.citationChinese Science Bulletin, 2006, v. 51 n. 7, p. 845-854en_HK
dc.identifier.issn1001-6538en_HK
dc.identifier.urihttp://hdl.handle.net/10722/72873-
dc.description.abstractThe Longzhoushan and Ertan basalts in the Pan-Xi area were generated by relatively low degrees of partial melting (< 7%), during which Ir, Ru, and Rh are compatible while Pt and Pd are incompatible. Most of these samples have high PGE concentrations and much higher Pd/Ir and Cu/Pd ratios than those of primitive mantle. A small amount of sulfides (∼0.007%) remained in the mantle source during partial melting, whereas part of the magmas reached sulfide saturation and segregated PGE-rich sulfides (∼0.020%-0.033%) during ascent period. Osmium, Ir, and Pt could form platinum-group metallic alloys hosted in chromites or sulfides during fractional crystallization process, leading to the decoupling of Pt and Pd contents and considerable variations of Ir contents. Sulfides segregated from the basaltic magmas may provide important material sources for the formation of the Cu-Ni-PGE deposits (mineralization) in the mafic-ultramafic intrusions near the magma conduits. © Science in China Press 2006.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.subjectBasaltsen_HK
dc.subjectPan-Xi areaen_HK
dc.subjectPGEen_HK
dc.subjectSulfidesen_HK
dc.titlePlatinum-group element (PGE) geochemistry of the Emeishan basalts in the Pan-Xi area, SW Chinaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1001-6538&volume=51&issue=7&spage=845&epage=854&date=2006&atitle=Platinum-group+element+(PGE)+geochemistry+of+the+Emeishan+basalts+in+the+Pan-Xi+area,+SW+Chinaen_HK
dc.identifier.emailZhou, M:mfzhou@hkucc.hku.hken_HK
dc.identifier.authorityZhou, M=rp00844en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s11434-006-0845-6en_HK
dc.identifier.scopuseid_2-s2.0-33748878372en_HK
dc.identifier.hkuros167279en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33748878372&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume51en_HK
dc.identifier.issue7en_HK
dc.identifier.spage845en_HK
dc.identifier.epage854en_HK
dc.identifier.isiWOS:000237493500013-
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridZhong, H=35785435900en_HK
dc.identifier.scopusauthoridZhu, W=35785330800en_HK
dc.identifier.scopusauthoridQi, L=7202149924en_HK
dc.identifier.scopusauthoridZhou, M=7403506005en_HK
dc.identifier.scopusauthoridSong, X=7402269092en_HK
dc.identifier.scopusauthoridZhang, Y=22995994100en_HK

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