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Article: The platinum-group element geochemistry in chemical geodynamics

TitleThe platinum-group element geochemistry in chemical geodynamics
Authors
KeywordsBackground Of Geodynamics
Distribution And Fractionation Of Pge
Geochemistry
Platinum-Group Elements
Issue Date2001
PublisherChinese Academy of Sciences, Institute of Geology and Geophysics. The Journal's web site is located at http://www.ysxb.ac.cn/ysxb/ch/index.aspx
Citation
Acta Petrologica Sinica, 2001, v. 17 n. 1, p. 112-122 How to Cite?
AbstractThe content ratios of Ru, Rh, Pd, Os, Ir, and Pt noble metal elements are identical to some extent for chondrites and mantle samples, but their contents in mantle samples actually are lower than those in chondrites by about 2 magnitudes, thus the hypothesis of "late veneer" happened during the earth accretion after the core-mantle separation was presented and has become a popular explanation. Heterogeneity in PGE content of the mantle peridotites on scales of ∼ 100 kilometers might be caused by inhomogeneity during the earth accretion, but a more possible explanation is a result of the mantle processes, core-mantle or/and crust-mantle interaction. Partial melting, crystal fractionation of magma (especially segregation of sulfide or metal phases), and fluid (including melt)/rock interaction result in PGE fractionation of mantle peridotites, ophiolites and complex in supersubduction and orogenic zone, and also will be the common mechanisms of generating chromitites and huge-size noble metal deposits.
Persistent Identifierhttp://hdl.handle.net/10722/151053
ISSN
2015 Impact Factor: 1.234
2015 SCImago Journal Rankings: 0.892
References

 

DC FieldValueLanguage
dc.contributor.authorChu, XLen_US
dc.contributor.authorSun, Men_US
dc.contributor.authorZhou, MFen_US
dc.date.accessioned2012-06-26T06:16:33Z-
dc.date.available2012-06-26T06:16:33Z-
dc.date.issued2001en_US
dc.identifier.citationActa Petrologica Sinica, 2001, v. 17 n. 1, p. 112-122en_US
dc.identifier.issn1000-0569en_US
dc.identifier.urihttp://hdl.handle.net/10722/151053-
dc.description.abstractThe content ratios of Ru, Rh, Pd, Os, Ir, and Pt noble metal elements are identical to some extent for chondrites and mantle samples, but their contents in mantle samples actually are lower than those in chondrites by about 2 magnitudes, thus the hypothesis of "late veneer" happened during the earth accretion after the core-mantle separation was presented and has become a popular explanation. Heterogeneity in PGE content of the mantle peridotites on scales of ∼ 100 kilometers might be caused by inhomogeneity during the earth accretion, but a more possible explanation is a result of the mantle processes, core-mantle or/and crust-mantle interaction. Partial melting, crystal fractionation of magma (especially segregation of sulfide or metal phases), and fluid (including melt)/rock interaction result in PGE fractionation of mantle peridotites, ophiolites and complex in supersubduction and orogenic zone, and also will be the common mechanisms of generating chromitites and huge-size noble metal deposits.en_US
dc.languageengen_US
dc.publisherChinese Academy of Sciences, Institute of Geology and Geophysics. The Journal's web site is located at http://www.ysxb.ac.cn/ysxb/ch/index.aspxen_US
dc.relation.ispartofActa Petrologica Sinicaen_US
dc.subjectBackground Of Geodynamicsen_US
dc.subjectDistribution And Fractionation Of Pgeen_US
dc.subjectGeochemistryen_US
dc.subjectPlatinum-Group Elementsen_US
dc.titleThe platinum-group element geochemistry in chemical geodynamicsen_US
dc.typeArticleen_US
dc.identifier.emailSun, M:minsun@hku.hken_US
dc.identifier.emailZhou, MF:mfzhou@hkucc.hku.hken_US
dc.identifier.authoritySun, M=rp00780en_US
dc.identifier.authorityZhou, MF=rp00844en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0034915344en_US
dc.identifier.hkuros58083-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034915344&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume17en_US
dc.identifier.issue1en_US
dc.identifier.spage112en_US
dc.identifier.epage122en_US
dc.publisher.placeChinaen_US
dc.identifier.scopusauthoridChu, XL=7102057269en_US
dc.identifier.scopusauthoridSun, M=25932315800en_US
dc.identifier.scopusauthoridZhou, MF=7403506005en_US

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