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Article: Stratigraphic and sedimentological constraints on the age and tectonic evolution of the Neotethyan ophiolites along the Yarlung Tsangpo suture zone, Tibet

TitleStratigraphic and sedimentological constraints on the age and tectonic evolution of the Neotethyan ophiolites along the Yarlung Tsangpo suture zone, Tibet
Authors
Issue Date2004
PublisherGeological Society Publishing House. The Journal's web site is located at http://www.geolsoc.org.uk/sp
Citation
Geological Society Special Publication, 2004, v. 218, p. 147-164 How to Cite?
AbstractOphiolitic rocks distributed along the Yarlung Tsangpo suture zone in southern Tibet are the few remaining fragmentary remnants of many thousands of kilometres of the ocean space that formerly existed between India and Eurasia. Portions of mid-Jurassic and mid-Cretaceous intra-oceanic island arcs can be recognized amongst those rocks that have been studied in detail. Complete suprasubduction zone ophiolite successions are preserved in the Dazhuqu terrane, which crops out both east and west of Xigaze. Radiolarians in inter-pillow cherts and immediately overlying sedimentary rocks indicate a Barremian ophiolite generation event. Palaeomagnetic data show that this ophiolite formed at equatorial latitudes south of the Lhasa terrane before its south-directed emplacement onto the northern margin of India. Highly refractory ultramafic rocks in the Luobusa ophiolite appear to be of Mid-Jurassic age and are potentially related to intra-oceanic island arc remnants in the nearby Zedong terrane. Ophiolitic massifs along the suture in western Tibet are thrust southwards onto northern India and record Late Jurassic ocean-floor development. Miocene north-directed back-thrusting associated with India-Asia collision has further complicated interpretation of regional geology. The ophiolitic rocks of the Yarlung Tsangpo suture zone provide evidence for the former existence of multiple oceanic island arc segments within Neotethys and suggest that consumption of the oceanic space between India and Asia was more complicated than has been predicted by existing models. © The Geological Society of London 2003.
Persistent Identifierhttp://hdl.handle.net/10722/151174
ISSN
2015 SCImago Journal Rankings: 0.747
References

 

DC FieldValueLanguage
dc.contributor.authorAitchison, JCen_HK
dc.contributor.authorDavis, AMen_HK
dc.contributor.authorAbrajevitch, AVen_HK
dc.contributor.authorAli, JRen_HK
dc.contributor.authorBadengzhuen_HK
dc.contributor.authorLiu, Jen_HK
dc.contributor.authorLuo, Hen_HK
dc.contributor.authorMcDermid, IRCen_HK
dc.contributor.authorZiabrev, SVen_HK
dc.date.accessioned2012-06-26T06:18:14Z-
dc.date.available2012-06-26T06:18:14Z-
dc.date.issued2004en_HK
dc.identifier.citationGeological Society Special Publication, 2004, v. 218, p. 147-164en_HK
dc.identifier.issn0305-8719en_HK
dc.identifier.urihttp://hdl.handle.net/10722/151174-
dc.description.abstractOphiolitic rocks distributed along the Yarlung Tsangpo suture zone in southern Tibet are the few remaining fragmentary remnants of many thousands of kilometres of the ocean space that formerly existed between India and Eurasia. Portions of mid-Jurassic and mid-Cretaceous intra-oceanic island arcs can be recognized amongst those rocks that have been studied in detail. Complete suprasubduction zone ophiolite successions are preserved in the Dazhuqu terrane, which crops out both east and west of Xigaze. Radiolarians in inter-pillow cherts and immediately overlying sedimentary rocks indicate a Barremian ophiolite generation event. Palaeomagnetic data show that this ophiolite formed at equatorial latitudes south of the Lhasa terrane before its south-directed emplacement onto the northern margin of India. Highly refractory ultramafic rocks in the Luobusa ophiolite appear to be of Mid-Jurassic age and are potentially related to intra-oceanic island arc remnants in the nearby Zedong terrane. Ophiolitic massifs along the suture in western Tibet are thrust southwards onto northern India and record Late Jurassic ocean-floor development. Miocene north-directed back-thrusting associated with India-Asia collision has further complicated interpretation of regional geology. The ophiolitic rocks of the Yarlung Tsangpo suture zone provide evidence for the former existence of multiple oceanic island arc segments within Neotethys and suggest that consumption of the oceanic space between India and Asia was more complicated than has been predicted by existing models. © The Geological Society of London 2003.en_HK
dc.languageengen_US
dc.publisherGeological Society Publishing House. The Journal's web site is located at http://www.geolsoc.org.uk/spen_HK
dc.relation.ispartofGeological Society Special Publicationen_HK
dc.titleStratigraphic and sedimentological constraints on the age and tectonic evolution of the Neotethyan ophiolites along the Yarlung Tsangpo suture zone, Tibeten_HK
dc.typeArticleen_HK
dc.identifier.emailAitchison, JC: jona@hku.hken_HK
dc.identifier.emailAli, JR: jrali@hku.hken_HK
dc.identifier.authorityAitchison, JC=rp00658en_HK
dc.identifier.authorityAli, JR=rp00659en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1144/GSL.SP.2003.218.01.09en_HK
dc.identifier.scopuseid_2-s2.0-2942612065en_HK
dc.identifier.hkuros90795-
dc.identifier.hkuros106534-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2942612065&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume218en_HK
dc.identifier.spage147en_HK
dc.identifier.epage164en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridAitchison, JC=7102533858en_HK
dc.identifier.scopusauthoridDavis, AM=7404295484en_HK
dc.identifier.scopusauthoridAbrajevitch, AV=6505932976en_HK
dc.identifier.scopusauthoridAli, JR=7102266465en_HK
dc.identifier.scopusauthoridBadengzhu=52163084000en_HK
dc.identifier.scopusauthoridLiu, J=8376679800en_HK
dc.identifier.scopusauthoridLuo, H=36982673700en_HK
dc.identifier.scopusauthoridMcDermid, IRC=7003951085en_HK
dc.identifier.scopusauthoridZiabrev, SV=6505777958en_HK

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