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Origin and time evolution of subduction polarity reversal from plate kinematics of Southeast Asia

von Hagke, Christoph and Philippon, Mélody and Avouac, Jean-Philippe and Gurnis, Michael (2016) Origin and time evolution of subduction polarity reversal from plate kinematics of Southeast Asia. Geology, 44 (8). pp. 659-662. ISSN 0091-7613. http://resolver.caltech.edu/CaltechAUTHORS:20160713-140842873

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Abstract

We present a regional model of plate geometry and kinematics of Southeast Asia since the Late Cretaceous, embedded in a global plate model. The model involves subduction polarity reversals and sheds new light on the origin of the subduction polarity reversal currently observed in Taiwan. We show that this subduction zone reversal is inherited from subduction of the proto–South China Sea plate and owes its current location to triple junction migration and slab rollback. This analysis sheds new light on the plate tectonic context of the Taiwan orogeny and questions the hypothesis that northern Taiwan can be considered an older, more mature equivalent of southern Taiwan.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1130/G37821.1DOIArticle
http://geology.gsapubs.org/content/44/8/659PublisherArticle
http://geology.geoscienceworld.org/content/44/8/659PublisherArticle
ftp://rock.geosociety.org/pub/reposit/2016/2016213.pdfPublisherSupplementary Material
ORCID:
AuthorORCID
Avouac, Jean-Philippe0000-0002-3060-8442
Gurnis, Michael0000-0003-1704-597X
Additional Information:© 2016 Geological Society of America. Manuscript received 22 February 2016, Revised manuscript received 9 June 2016, Manuscript accepted 17 June 2016, First published on July 8, 2016. Von Hagke was funded by a California Institute of Technology Tectonics Observatory postdoctoral fellowship. Discussions with Sabin Zahirovic, Jonny Wu, Bruce Shyu, and John Suppe helped to clarify the picture. We thank Jonathan Lewis, Taras Gerya, and anonymous reviewers for constructive comments. GSA Data Repository item 2016213, the reconstruction approach, Figure DR1 (comparing different models) and Movie DR2 (new reconstructions), is available online at www.geosociety.org/pubs/ft2016.htm, or on request from editing@geosociety.org.
Group:Seismological Laboratory, Caltech Tectonics Observatory
Funders:
Funding AgencyGrant Number
Caltech Tectonics ObservatoryUNSPECIFIED
Record Number:CaltechAUTHORS:20160713-140842873
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160713-140842873
Official Citation:Origin and time evolution of subduction polarity reversal from plate kinematics of Southeast Asia Christoph von Hagke, Mélody Philippon, Jean-Philippe Avouac, Michael Gurnis Geology Aug 2016, 44 (8) 659-662; DOI: 10.1130/G37821.1
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:69011
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:28 Jul 2016 17:45
Last Modified:29 Sep 2016 23:43

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