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Article: Palaeomagnetic data from a mesozoic Philippine sea plate ophiolite on Obi Island, Eastern Indonesia

TitlePalaeomagnetic data from a mesozoic Philippine sea plate ophiolite on Obi Island, Eastern Indonesia
Authors
KeywordsMesozoic Ophiolite
Palaeomegnetic Data
Philippine Sea Plate
Issue Date2001
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaes
Citation
Journal Of Asian Earth Sciences, 2001, v. 19 n. 4, p. 535-546 How to Cite?
AbstractPalaeomagnetic data are presented from part of the Halmahera ophiolite exposed on Obi Island, eastern Indonesia. Until the late Neogene, Obi formed part of the southern Philippine Sea Plate; it is now isolated from that plate and is located between fault strands in the left-lateral Sorong Fault Zone. Two areas were sampled: The first area comprised two sites from a microgabbro and a third site in a thin intruding dyke, and the second area yielded one site from a sheeted dyke suite. The mean in situ direction for the two areas is D = 216.1°, I = 23.3°, where the angular separation is 34.7°. Rotating the mean directions back to the palaeo-vertical clusters the vectors, so that D = 219.4°, I = 12.1°, where the angular separation is 20.1°. This clustering, together with other lines of palaeomagnetic evidence, suggests that the magnetisation is primary. The ophiolite is Mesozoic, and most likely formed in the Jurassic. This information, together with recently published palaeomagnetic data from nearby Upper Cretaceous Philippine Sea Plate formations, suggest that the oldest parts of the Philippine Sea Plate were situated close to the equator in the western Pacific in the middle Mesozoic. © 2001 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/151059
ISSN
2015 Impact Factor: 2.647
2015 SCImago Journal Rankings: 1.393
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorAli, JRen_US
dc.contributor.authorHall, Ren_US
dc.contributor.authorBaker, SJen_US
dc.date.accessioned2012-06-26T06:16:39Z-
dc.date.available2012-06-26T06:16:39Z-
dc.date.issued2001en_US
dc.identifier.citationJournal Of Asian Earth Sciences, 2001, v. 19 n. 4, p. 535-546en_US
dc.identifier.issn1367-9120en_US
dc.identifier.urihttp://hdl.handle.net/10722/151059-
dc.description.abstractPalaeomagnetic data are presented from part of the Halmahera ophiolite exposed on Obi Island, eastern Indonesia. Until the late Neogene, Obi formed part of the southern Philippine Sea Plate; it is now isolated from that plate and is located between fault strands in the left-lateral Sorong Fault Zone. Two areas were sampled: The first area comprised two sites from a microgabbro and a third site in a thin intruding dyke, and the second area yielded one site from a sheeted dyke suite. The mean in situ direction for the two areas is D = 216.1°, I = 23.3°, where the angular separation is 34.7°. Rotating the mean directions back to the palaeo-vertical clusters the vectors, so that D = 219.4°, I = 12.1°, where the angular separation is 20.1°. This clustering, together with other lines of palaeomagnetic evidence, suggests that the magnetisation is primary. The ophiolite is Mesozoic, and most likely formed in the Jurassic. This information, together with recently published palaeomagnetic data from nearby Upper Cretaceous Philippine Sea Plate formations, suggest that the oldest parts of the Philippine Sea Plate were situated close to the equator in the western Pacific in the middle Mesozoic. © 2001 Elsevier Science Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaesen_US
dc.relation.ispartofJournal of Asian Earth Sciencesen_US
dc.subjectMesozoic Ophioliteen_US
dc.subjectPalaeomegnetic Dataen_US
dc.subjectPhilippine Sea Plateen_US
dc.titlePalaeomagnetic data from a mesozoic Philippine sea plate ophiolite on Obi Island, Eastern Indonesiaen_US
dc.typeArticleen_US
dc.identifier.emailAli, JR:jrali@hku.hken_US
dc.identifier.authorityAli, JR=rp00659en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S1367-9120(00)00053-5en_US
dc.identifier.scopuseid_2-s2.0-0035017186en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035017186&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume19en_US
dc.identifier.issue4en_US
dc.identifier.spage535en_US
dc.identifier.epage546en_US
dc.identifier.isiWOS:000168861300008-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridAli, JR=7102266465en_US
dc.identifier.scopusauthoridHall, R=46860906400en_US
dc.identifier.scopusauthoridBaker, SJ=7403307527en_US

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