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- Publisher Website: 10.1016/j.gr.2014.09.004
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Article: Jiangnan Orogen in South China: developing from divergent double subduction
Title | Jiangnan Orogen in South China: developing from divergent double subduction |
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Authors | |
Keywords | Jiangnan Orogen Divergent double subduction Yangtze Block Cathaysia Block Collision Neoproterozoic |
Issue Date | 2015 |
Publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jcr |
Citation | Gondwana Research, 2015, v. 27 n. 3, p. 1173-1180 How to Cite? |
Abstract | The Jiangnan Orogen is considered as a continent-continent collisional belt resulting from the closure of a Meso-Neoproterozoic ocean separating the southeastern margin of the Yangtze Block from the northwestern margin of the Cathaysia Block. Recent data indicate the existence of early Neoproterozoic (1000-825. Ma) volcanic arc assemblages on both sides of the orogen, suggesting that the ocean lithosphere between the Yangtze and Cathaysia blocks must have undergone divergent double-sided subduction during the period of 1000-825. Ma. The divergent double subduction eventually resulted in the closure of the ocean basin at ~. 825. Ma, leading to the soft collision of the Yangtze and Cathaysia blocks to form the Jiangnan Orogen, without involvement of continental deep subduction, high-grade metamorphism of continental crust and uplift/exhumation of high-grade metamorphic rocks. Shortly after the collision, the initial detachment of the ocean lithosphere from the overlying crust and sedimentary sections induced underplating of mantle magmas, triggering partial melting of accretionary-wedge strata to form some peraluminous (S-type) granites in the period 825-815. Ma. Finally, the sinking of the oceanic slab pulled down the overlying strata to form some basins in which the Banxi Group and its equivalent strata including bimodal volcanic rocks were formed in the period 815-750. Ma. © 2014 International Association for Gondwana Research. |
Persistent Identifier | http://hdl.handle.net/10722/210195 |
ISSN | 2023 Impact Factor: 7.2 2023 SCImago Journal Rankings: 1.742 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Zhao, G | - |
dc.date.accessioned | 2015-05-27T07:52:32Z | - |
dc.date.available | 2015-05-27T07:52:32Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | Gondwana Research, 2015, v. 27 n. 3, p. 1173-1180 | - |
dc.identifier.issn | 1342-937X | - |
dc.identifier.uri | http://hdl.handle.net/10722/210195 | - |
dc.description.abstract | The Jiangnan Orogen is considered as a continent-continent collisional belt resulting from the closure of a Meso-Neoproterozoic ocean separating the southeastern margin of the Yangtze Block from the northwestern margin of the Cathaysia Block. Recent data indicate the existence of early Neoproterozoic (1000-825. Ma) volcanic arc assemblages on both sides of the orogen, suggesting that the ocean lithosphere between the Yangtze and Cathaysia blocks must have undergone divergent double-sided subduction during the period of 1000-825. Ma. The divergent double subduction eventually resulted in the closure of the ocean basin at ~. 825. Ma, leading to the soft collision of the Yangtze and Cathaysia blocks to form the Jiangnan Orogen, without involvement of continental deep subduction, high-grade metamorphism of continental crust and uplift/exhumation of high-grade metamorphic rocks. Shortly after the collision, the initial detachment of the ocean lithosphere from the overlying crust and sedimentary sections induced underplating of mantle magmas, triggering partial melting of accretionary-wedge strata to form some peraluminous (S-type) granites in the period 825-815. Ma. Finally, the sinking of the oceanic slab pulled down the overlying strata to form some basins in which the Banxi Group and its equivalent strata including bimodal volcanic rocks were formed in the period 815-750. Ma. © 2014 International Association for Gondwana Research. | - |
dc.language | eng | - |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jcr | - |
dc.relation.ispartof | Gondwana Research | - |
dc.subject | Jiangnan Orogen | - |
dc.subject | Divergent double subduction | - |
dc.subject | Yangtze Block | - |
dc.subject | Cathaysia Block | - |
dc.subject | Collision | - |
dc.subject | Neoproterozoic | - |
dc.title | Jiangnan Orogen in South China: developing from divergent double subduction | - |
dc.type | Article | - |
dc.identifier.email | Zhao, G: gzhao@hkucc.hku.hk | - |
dc.identifier.authority | Zhao, G=rp00842 | - |
dc.identifier.doi | 10.1016/j.gr.2014.09.004 | - |
dc.identifier.scopus | eid_2-s2.0-84925243944 | - |
dc.identifier.hkuros | 250544 | - |
dc.identifier.volume | 27 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | 1173 | - |
dc.identifier.epage | 1180 | - |
dc.identifier.isi | WOS:000350918800018 | - |
dc.publisher.place | Netherlands | - |
dc.customcontrol.immutable | sml 150527 | - |
dc.identifier.issnl | 1342-937X | - |