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Article: The Heart of China revisited: II Early Paleozoic (ultra)high-pressure and (ultra)high-temperature metamorphic Qinling orogenic collage

TitleThe Heart of China revisited: II Early Paleozoic (ultra)high-pressure and (ultra)high-temperature metamorphic Qinling orogenic collage
Authors
Keywords(ultra)high pressure metamorphism
Qinling orogen
(ultra)high temperature metamorphism
Central China
Issue Date2013
Citation
Tectonics, 2013, v. 32, n. 4, p. 922-947 How to Cite?
AbstractOrogens with multiple (ultra)high-pressure ((U)HP) and (ultra)high- temperature ((U)HT) metamorphic events provide a complex but telling record of oceanic and continental interaction. The Early Paleozoic history of the "Heart of China," the Qinling orogenic collage, offers snapshots of at least three (U)HP and two (U)HT metamorphic events. The preservation of remnants of both oceanic and continental domains together with a ≥110 Myr record of magmatism allows the reconstruction of the processes that resulted in this disparate metamorphism. Herein, we first illuminate the pressure-temperature-time (P-T-t) evolution of the Early Paleozoic (U)HP and (U)HT events by refining the petrographic descriptions and P-T estimates, assess published, and employ new U/Th-Pb zircon, monazite, and titanite, and 40Ar-39Ar phengite geochronology to date the magmatic and metamorphic events. Then we explore how the metamorphic and magmatic events are related tectonically and how they elucidate the affinities among the various complexes in the Qinling orogenic collage. We argue that a Meso-Neoproterozoic crustal fragment - the Qinling complex - localized subduction-accretion events that involved subduction, oceanic-arc formation, and back-arc spreading along its northern margin, and mtantle-wedge exhumation and spreading-ridge subduction along its southern margin. ©2013. American Geophysical Union. All Rights Reserved.
Persistent Identifierhttp://hdl.handle.net/10722/224044
ISSN
2015 Impact Factor: 3.75
2015 SCImago Journal Rankings: 2.628

 

DC FieldValueLanguage
dc.contributor.authorBader, Thomas-
dc.contributor.authorFranz, Leander-
dc.contributor.authorRatschbacher, Lothar-
dc.contributor.authorDe Capitani, Christian-
dc.contributor.authorWebb, A. Alexander G-
dc.contributor.authorYang, Zhao-
dc.contributor.authorPfänder, Jörg A.-
dc.contributor.authorHofmann, Mandy-
dc.contributor.authorLinnemann, Ulf-
dc.date.accessioned2016-03-18T06:20:51Z-
dc.date.available2016-03-18T06:20:51Z-
dc.date.issued2013-
dc.identifier.citationTectonics, 2013, v. 32, n. 4, p. 922-947-
dc.identifier.issn0278-7407-
dc.identifier.urihttp://hdl.handle.net/10722/224044-
dc.description.abstractOrogens with multiple (ultra)high-pressure ((U)HP) and (ultra)high- temperature ((U)HT) metamorphic events provide a complex but telling record of oceanic and continental interaction. The Early Paleozoic history of the "Heart of China," the Qinling orogenic collage, offers snapshots of at least three (U)HP and two (U)HT metamorphic events. The preservation of remnants of both oceanic and continental domains together with a ≥110 Myr record of magmatism allows the reconstruction of the processes that resulted in this disparate metamorphism. Herein, we first illuminate the pressure-temperature-time (P-T-t) evolution of the Early Paleozoic (U)HP and (U)HT events by refining the petrographic descriptions and P-T estimates, assess published, and employ new U/Th-Pb zircon, monazite, and titanite, and 40Ar-39Ar phengite geochronology to date the magmatic and metamorphic events. Then we explore how the metamorphic and magmatic events are related tectonically and how they elucidate the affinities among the various complexes in the Qinling orogenic collage. We argue that a Meso-Neoproterozoic crustal fragment - the Qinling complex - localized subduction-accretion events that involved subduction, oceanic-arc formation, and back-arc spreading along its northern margin, and mtantle-wedge exhumation and spreading-ridge subduction along its southern margin. ©2013. American Geophysical Union. All Rights Reserved.-
dc.languageeng-
dc.relation.ispartofTectonics-
dc.subject(ultra)high pressure metamorphism-
dc.subjectQinling orogen-
dc.subject(ultra)high temperature metamorphism-
dc.subjectCentral China-
dc.titleThe Heart of China revisited: II Early Paleozoic (ultra)high-pressure and (ultra)high-temperature metamorphic Qinling orogenic collage-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1002/tect.20056-
dc.identifier.scopuseid_2-s2.0-84881063331-
dc.identifier.volume32-
dc.identifier.issue4-
dc.identifier.spage922-
dc.identifier.epage947-
dc.identifier.eissn1944-9194-

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