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Article: Geology and geochemistry of the Rapu-Rapu Ophiolite Complex, eastern Philippines: Possible fragment of the proto-Philippine Sea plate

TitleGeology and geochemistry of the Rapu-Rapu Ophiolite Complex, eastern Philippines: Possible fragment of the proto-Philippine Sea plate
Authors
Issue Date2006
PublisherTaylor & Francis Inc. The Journal's web site is located at http://www.tandf.co.uk/journals/TIGR
Citation
International Geology Review, 2006, v. 48 n. 4, p. 329-348 How to Cite?
AbstractThe Cretaceous Rapu-Rapu Ophiolite Complex is a dismembered marginal basin ophiolite formed at an intermediate to fast spreading center. Limited subduction is manifested by the crystallization of pyroxene before plagioclase in the layered ultramafic cumulates. However, mafic cumulate rocks which exhibit the crystallization of plagioclase before pyroxene, consistent with low-water pressure conditions, could have formed in a mid-ocean ridge-like setting. Bulk-rock and trace-element analyses of volcanic-hypabyssal and gabbroic rocks show the predominance of a marginal basin geochemical signature. Spinel XCr ([Cr /Cr+Al] <0.60) suggests that the Rapu-Rapu peridotite and pyroxenite have mid-ocean ridge affinities. Fractional crystallization, and mantle-melt interaction together with melt replenishment, characterize the evolution of the ultramafic-mafic cumulate sequence; cryptic variation analysis reveals that the magma chamber operated as an open system. The Rapu-Rapu Ophiolite Complex, together with other fragments of the oceanic lithosphere exposed along the eastern Philippines, was probably derived from the proto-Philippine Sea plate. Copyright © 2006 by V. H. Winston & Son, Inc. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/73013
ISSN
2015 Impact Factor: 2.365
2015 SCImago Journal Rankings: 1.248
References

 

DC FieldValueLanguage
dc.contributor.authorYumul, GPen_HK
dc.contributor.authorDimalanta, CBen_HK
dc.contributor.authorTamayo, RAen_HK
dc.contributor.authorZhou, MFen_HK
dc.date.accessioned2010-09-06T06:47:14Z-
dc.date.available2010-09-06T06:47:14Z-
dc.date.issued2006en_HK
dc.identifier.citationInternational Geology Review, 2006, v. 48 n. 4, p. 329-348en_HK
dc.identifier.issn0020-6814en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73013-
dc.description.abstractThe Cretaceous Rapu-Rapu Ophiolite Complex is a dismembered marginal basin ophiolite formed at an intermediate to fast spreading center. Limited subduction is manifested by the crystallization of pyroxene before plagioclase in the layered ultramafic cumulates. However, mafic cumulate rocks which exhibit the crystallization of plagioclase before pyroxene, consistent with low-water pressure conditions, could have formed in a mid-ocean ridge-like setting. Bulk-rock and trace-element analyses of volcanic-hypabyssal and gabbroic rocks show the predominance of a marginal basin geochemical signature. Spinel XCr ([Cr /Cr+Al] <0.60) suggests that the Rapu-Rapu peridotite and pyroxenite have mid-ocean ridge affinities. Fractional crystallization, and mantle-melt interaction together with melt replenishment, characterize the evolution of the ultramafic-mafic cumulate sequence; cryptic variation analysis reveals that the magma chamber operated as an open system. The Rapu-Rapu Ophiolite Complex, together with other fragments of the oceanic lithosphere exposed along the eastern Philippines, was probably derived from the proto-Philippine Sea plate. Copyright © 2006 by V. H. Winston & Son, Inc. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherTaylor & Francis Inc. The Journal's web site is located at http://www.tandf.co.uk/journals/TIGRen_HK
dc.relation.ispartofInternational Geology Reviewen_HK
dc.titleGeology and geochemistry of the Rapu-Rapu Ophiolite Complex, eastern Philippines: Possible fragment of the proto-Philippine Sea plateen_HK
dc.typeArticleen_HK
dc.identifier.emailZhou, MF:mfzhou@hkucc.hku.hken_HK
dc.identifier.authorityZhou, MF=rp00844en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.2747/0020-6814.48.4.329en_HK
dc.identifier.scopuseid_2-s2.0-33744497542en_HK
dc.identifier.hkuros123383en_HK
dc.identifier.hkuros109765-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33744497542&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume48en_HK
dc.identifier.issue4en_HK
dc.identifier.spage329en_HK
dc.identifier.epage348en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYumul, GP=7003858862en_HK
dc.identifier.scopusauthoridDimalanta, CB=6602158221en_HK
dc.identifier.scopusauthoridTamayo, RA=6701447282en_HK
dc.identifier.scopusauthoridZhou, MF=7403506005en_HK

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