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Article: Comparative study of platinum-group elements in the Coto and Acoje blocks of the Zambales ophiolite complex, Philippines

TitleComparative study of platinum-group elements in the Coto and Acoje blocks of the Zambales ophiolite complex, Philippines
Authors
KeywordsHigh-Al chromitites
High-Crchromites
Ophiolitic mantle sequence
Platinum-group element analyses
Zambales
Issue Date2000
PublisherBlackwell Publishing Asia. The Journal's web site is located at http://www.blackwellpublishing.com/journals/IAR
Citation
Island Arc, 2000, v. 9 n. 4, p. 556-564 How to Cite?
AbstractThe Zambales Ophiolite Complex (ZOC), Philippines, includes two geochemically distinct, ophiolitic assemblages: the high-Al chromitite-bearing Coto Block and high-Cr chromitite-bearing Acoje Block. This paper reports a comparative platinum-group element (PGE) study of these two blocks. The PGE data were obtained using Ni-sulfide fire assay preconcentration combined with inductively coupled plasma mass spectrometry (ICP-MS) measurement. Podiform chromitites in the Acoje Block have higher Cu, Ir, Ru and Rh contents than their equivalents in the Coto Block, although chromitites from both have similar Pt and Pd contents. The PGE mantle-normalized patterns of dunites from the two blocks are also different: dunites from the Coto Block are depleted in Pt, whereas those from the Acoje Block have a relatively flat pattern. The data demonstrate that Coto and Acoje Blocks have different origins in terms of their source region and partial melting processes. This study implies that the ZOC is a paired ophiolite belt formed in an island arc and back-arc basin environment.
Persistent Identifierhttp://hdl.handle.net/10722/151044
ISSN
2015 Impact Factor: 1.397
2015 SCImago Journal Rankings: 0.823
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhou, MFen_HK
dc.contributor.authorYumul, GPen_HK
dc.contributor.authorMalpas, Jen_HK
dc.contributor.authorSun, Men_HK
dc.date.accessioned2012-06-26T06:16:27Z-
dc.date.available2012-06-26T06:16:27Z-
dc.date.issued2000en_HK
dc.identifier.citationIsland Arc, 2000, v. 9 n. 4, p. 556-564en_HK
dc.identifier.issn1038-4871en_HK
dc.identifier.urihttp://hdl.handle.net/10722/151044-
dc.description.abstractThe Zambales Ophiolite Complex (ZOC), Philippines, includes two geochemically distinct, ophiolitic assemblages: the high-Al chromitite-bearing Coto Block and high-Cr chromitite-bearing Acoje Block. This paper reports a comparative platinum-group element (PGE) study of these two blocks. The PGE data were obtained using Ni-sulfide fire assay preconcentration combined with inductively coupled plasma mass spectrometry (ICP-MS) measurement. Podiform chromitites in the Acoje Block have higher Cu, Ir, Ru and Rh contents than their equivalents in the Coto Block, although chromitites from both have similar Pt and Pd contents. The PGE mantle-normalized patterns of dunites from the two blocks are also different: dunites from the Coto Block are depleted in Pt, whereas those from the Acoje Block have a relatively flat pattern. The data demonstrate that Coto and Acoje Blocks have different origins in terms of their source region and partial melting processes. This study implies that the ZOC is a paired ophiolite belt formed in an island arc and back-arc basin environment.en_HK
dc.languageengen_US
dc.publisherBlackwell Publishing Asia. The Journal's web site is located at http://www.blackwellpublishing.com/journals/IARen_HK
dc.relation.ispartofIsland Arcen_HK
dc.subjectHigh-Al chromititesen_HK
dc.subjectHigh-Crchromitesen_HK
dc.subjectOphiolitic mantle sequenceen_HK
dc.subjectPlatinum-group element analysesen_HK
dc.subjectZambalesen_HK
dc.titleComparative study of platinum-group elements in the Coto and Acoje blocks of the Zambales ophiolite complex, Philippinesen_HK
dc.typeArticleen_HK
dc.identifier.emailZhou, MF: mfzhou@hkucc.hku.hken_HK
dc.identifier.emailMalpas, J: jgmalpas@hku.hken_HK
dc.identifier.emailSun, M: minsun@hku.hken_HK
dc.identifier.authorityZhou, MF=rp00844en_HK
dc.identifier.authorityMalpas, J=rp00059en_HK
dc.identifier.authoritySun, M=rp00780en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1046/j.1440-1738.2000.00301.xen_HK
dc.identifier.scopuseid_2-s2.0-0034480745en_HK
dc.identifier.hkuros58202-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034480745&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume9en_HK
dc.identifier.issue4en_HK
dc.identifier.spage556en_HK
dc.identifier.epage564en_HK
dc.identifier.isiWOS:000165501100009-
dc.publisher.placeAustraliaen_HK
dc.identifier.scopusauthoridZhou, MF=7403506005en_HK
dc.identifier.scopusauthoridYumul, GP=7003858862en_HK
dc.identifier.scopusauthoridMalpas, J=7006136845en_HK
dc.identifier.scopusauthoridSun, M=25932315800en_HK

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