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Article: Structural pattern of the Wutai Complex and its constraints on the tectonic framework of the Trans-North China Orogen
Title | Structural pattern of the Wutai Complex and its constraints on the tectonic framework of the Trans-North China Orogen |
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Authors | |
Keywords | Archean Deformation Paleoproterozoic Tectonic evolution Trans-North China Orogen Wutai |
Issue Date | 2012 |
Publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/precamres |
Citation | Precambrian Research, 2012, p. 212-229 How to Cite? |
Abstract | Wutai Complex is a key to test controversial models for the tectonic evolution of the Trans-North China Orogen (TNCO), along which the Eastern and Western Blocks amalgamated to form the North China Craton. Three stages of deformation (D1 to D3) were identified in the Wutai Complex. D1 is characterized by NE-SW-trending foliations S1 and NW-SE-orientated lineations L1, indicating an initial NW-SE-directed compression. Associated with D1 was prograde metamorphism (M1). D2 progressively overprinted D1 and generated 'Z'-shaped folds and NEE-SWW-trending ductile shear zones. D2 resulted in a fan-shaped structural pattern of the complex with top-to-the-NW thrusting in the northwestern part and opposite top-to-the-SE thrusting in the southeastern part. During D2, the crust was doubled through thickening, leading to peak metamorphism (M2). D3 developed during post-collision exhumation and deformed the early fabrics to be open folds, resulting in near-isothermal decompression (M3) and late cooling metamorphism (M4). The overall structure of the Wutai Complex is characterized by a fan-shaped pattern with structural divergence. Structural features of the Wutai Complex, combined with those of the adjacent Hengshan and Fuping Complexes, indicate that the TNCO is characterized by a fan-shaped orogenic wedge with opposite senses of thrust. This orogenic wedge could have resulted from an eastward subduction and collision between the Western and Eastern Blocks to finally form the TNCO at ∼1.85 Ga. © 2011 Elsevier B.V. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/139207 |
ISSN | 2023 Impact Factor: 3.2 2023 SCImago Journal Rankings: 1.589 |
ISI Accession Number ID |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zhang, J | en_HK |
dc.contributor.author | Zhao, G | en_HK |
dc.contributor.author | Li, S | en_HK |
dc.contributor.author | Sun, M | en_HK |
dc.contributor.author | Chan, LS | en_HK |
dc.contributor.author | Shen, W | en_HK |
dc.contributor.author | Liu, S | en_HK |
dc.date.accessioned | 2011-09-23T05:46:37Z | - |
dc.date.available | 2011-09-23T05:46:37Z | - |
dc.date.issued | 2012 | en_HK |
dc.identifier.citation | Precambrian Research, 2012, p. 212-229 | en_HK |
dc.identifier.issn | 0301-9268 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/139207 | - |
dc.description.abstract | Wutai Complex is a key to test controversial models for the tectonic evolution of the Trans-North China Orogen (TNCO), along which the Eastern and Western Blocks amalgamated to form the North China Craton. Three stages of deformation (D1 to D3) were identified in the Wutai Complex. D1 is characterized by NE-SW-trending foliations S1 and NW-SE-orientated lineations L1, indicating an initial NW-SE-directed compression. Associated with D1 was prograde metamorphism (M1). D2 progressively overprinted D1 and generated 'Z'-shaped folds and NEE-SWW-trending ductile shear zones. D2 resulted in a fan-shaped structural pattern of the complex with top-to-the-NW thrusting in the northwestern part and opposite top-to-the-SE thrusting in the southeastern part. During D2, the crust was doubled through thickening, leading to peak metamorphism (M2). D3 developed during post-collision exhumation and deformed the early fabrics to be open folds, resulting in near-isothermal decompression (M3) and late cooling metamorphism (M4). The overall structure of the Wutai Complex is characterized by a fan-shaped pattern with structural divergence. Structural features of the Wutai Complex, combined with those of the adjacent Hengshan and Fuping Complexes, indicate that the TNCO is characterized by a fan-shaped orogenic wedge with opposite senses of thrust. This orogenic wedge could have resulted from an eastward subduction and collision between the Western and Eastern Blocks to finally form the TNCO at ∼1.85 Ga. © 2011 Elsevier B.V. All rights reserved. | en_HK |
dc.language | eng | en_US |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/precamres | en_HK |
dc.relation.ispartof | Precambrian Research | en_HK |
dc.subject | Archean | en_HK |
dc.subject | Deformation | en_HK |
dc.subject | Paleoproterozoic | en_HK |
dc.subject | Tectonic evolution | en_HK |
dc.subject | Trans-North China Orogen | en_HK |
dc.subject | Wutai | en_HK |
dc.title | Structural pattern of the Wutai Complex and its constraints on the tectonic framework of the Trans-North China Orogen | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Zhao, G:gzhao@hkucc.hku.hk | en_HK |
dc.identifier.email | Sun, M:minsun@hku.hk | en_HK |
dc.identifier.email | Chan, LS:chanls@hku.hk | en_HK |
dc.identifier.authority | Zhao, G=rp00842 | en_HK |
dc.identifier.authority | Sun, M=rp00780 | en_HK |
dc.identifier.authority | Chan, LS=rp00665 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.precamres.2011.08.009 | en_HK |
dc.identifier.scopus | eid_2-s2.0-84857640187 | en_HK |
dc.identifier.hkuros | 194887 | en_US |
dc.identifier.isi | WOS:000313765700011 | - |
dc.publisher.place | Netherlands | en_HK |
dc.identifier.scopusauthorid | Zhang, J=49061670600 | en_HK |
dc.identifier.scopusauthorid | Zhao, G=7403296321 | en_HK |
dc.identifier.scopusauthorid | Li, S=35248444400 | en_HK |
dc.identifier.scopusauthorid | Sun, M=25932315800 | en_HK |
dc.identifier.scopusauthorid | Chan, LS=7403540528 | en_HK |
dc.identifier.scopusauthorid | Shen, W=49061596700 | en_HK |
dc.identifier.scopusauthorid | Liu, S=35253878000 | en_HK |
dc.identifier.citeulike | 9776140 | - |
dc.identifier.issnl | 0301-9268 | - |