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Article: Polyphase deformation of the Fuping Complex, Trans-North China Orogen: Structures, SHRIMP U-Pb zircon ages and tectonic implications

TitlePolyphase deformation of the Fuping Complex, Trans-North China Orogen: Structures, SHRIMP U-Pb zircon ages and tectonic implications
Authors
KeywordsArchean
Deformation
Fuping
North China Craton
Paleoproterozoic
SHRIMP U-Pb zircon age
Issue Date2009
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jsg
Citation
Journal Of Structural Geology, 2009, v. 31 n. 2, p. 177-193 How to Cite?
AbstractThe Fuping Complex is located in the central part of the Trans-North China Orogen (TNCO), a Paleoproterozoic collisional belt along which the Eastern and Western Blocks were assembled to form the North China Craton. Three stages of deformation (D1-D3) have been identified in the Fuping Complex. D1 formed tight to isoclinal folds F1, penetrative foliation S1 and mineral lineation L1, which resulted from the early NW-SE-orientated thrusting and shearing. D2 progressively overprinted D1 and was dominated by mostly NW-SE shortening and top-to-the-SE(E) thrusting under a compressive environment. D1 and D2 occurred in association with the peak metamorphism (M1). D3 occurred during the exhumation after the crustal thickening, producing regional-scale NWW-SEE-trending open folds (F3) and associated low-angle detachment faults, and was responsible for the isothermal decompression (M2) metamorphism of the complex. Following the D3 deformation, the complex was exhumed to shallow crustal levels where the rocks underwent the retrogressive cooling (M3) metamorphism. Syn-tectonic leucocratic dykes are widespread in the Fuping Complex. Two leucocratic dykes that did not experience D1 but underwent D2 yield SHRIMP zircon ages of 1843 ± 12 Ma and 1844 ± 18 Ma, which indicate that D1 must have occurred at some time earlier than ∼1844 Ma, whereas D2 must have occurred at some time later than this age. Two weakly deformed post-D2 leucocratic dykes yield SHRIMP zircon ages of 1817 ± 14 Ma and 1815 ± 45 Ma, suggesting that the D2 deformation occurred in the period 1843-1815 Ma. The new SHRIMP data indicate that the collision-related deformation of the Fuping Complex must have occurred in the Paleoproterozoic, not in the late Archean. Structural and geochronological data presented in this study, in association with previous lithological and geochemical data, suggest that the Fuping Complex may have been located in the hinterland of an eastward subduction zone and underwent intensive deformation and metamorphism involved in the final collision between the Western and Eastern Blocks at ∼1.85 Ga. © 2008 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/139144
ISSN
2015 Impact Factor: 2.084
2015 SCImago Journal Rankings: 1.648
ISI Accession Number ID
Funding AgencyGrant Number
NSFC40429001
111 Project1307011
Ministry of Education of China
Hong Kong RGCHKU7063/06P
7055/05P
7058/04P
7049/04P
Funding Information:

This research was financially supported by an NSFC Outstanding Overseas Young Researcher Grant (40429001), and the 111 Project (No. 1307011) from the Ministry of Education of China, and Hong Kong RGC grants (HKU7063/06P, 7055/05P, 7058/04P and 7049/04P). We thank Jianbo Zhou for his kind assistance in SHRIMP dating at Curtin University of Technology (Western Australia) and Wenlue Shen for his constructive discussions. The final version of the paper has benefited from the perceptive and critical comments of Wenjiao Xiao and an anonymous reviewer and Journal Editor T.G. Blenkinsop.

References

 

DC FieldValueLanguage
dc.contributor.authorZhang, Jen_HK
dc.contributor.authorZhao, Gen_HK
dc.contributor.authorLi, Sen_HK
dc.contributor.authorSun, Men_HK
dc.contributor.authorWilde, SAen_HK
dc.contributor.authorLiu, Sen_HK
dc.contributor.authorYin, Cen_HK
dc.date.accessioned2011-09-23T05:45:58Z-
dc.date.available2011-09-23T05:45:58Z-
dc.date.issued2009en_HK
dc.identifier.citationJournal Of Structural Geology, 2009, v. 31 n. 2, p. 177-193en_HK
dc.identifier.issn0191-8141en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139144-
dc.description.abstractThe Fuping Complex is located in the central part of the Trans-North China Orogen (TNCO), a Paleoproterozoic collisional belt along which the Eastern and Western Blocks were assembled to form the North China Craton. Three stages of deformation (D1-D3) have been identified in the Fuping Complex. D1 formed tight to isoclinal folds F1, penetrative foliation S1 and mineral lineation L1, which resulted from the early NW-SE-orientated thrusting and shearing. D2 progressively overprinted D1 and was dominated by mostly NW-SE shortening and top-to-the-SE(E) thrusting under a compressive environment. D1 and D2 occurred in association with the peak metamorphism (M1). D3 occurred during the exhumation after the crustal thickening, producing regional-scale NWW-SEE-trending open folds (F3) and associated low-angle detachment faults, and was responsible for the isothermal decompression (M2) metamorphism of the complex. Following the D3 deformation, the complex was exhumed to shallow crustal levels where the rocks underwent the retrogressive cooling (M3) metamorphism. Syn-tectonic leucocratic dykes are widespread in the Fuping Complex. Two leucocratic dykes that did not experience D1 but underwent D2 yield SHRIMP zircon ages of 1843 ± 12 Ma and 1844 ± 18 Ma, which indicate that D1 must have occurred at some time earlier than ∼1844 Ma, whereas D2 must have occurred at some time later than this age. Two weakly deformed post-D2 leucocratic dykes yield SHRIMP zircon ages of 1817 ± 14 Ma and 1815 ± 45 Ma, suggesting that the D2 deformation occurred in the period 1843-1815 Ma. The new SHRIMP data indicate that the collision-related deformation of the Fuping Complex must have occurred in the Paleoproterozoic, not in the late Archean. Structural and geochronological data presented in this study, in association with previous lithological and geochemical data, suggest that the Fuping Complex may have been located in the hinterland of an eastward subduction zone and underwent intensive deformation and metamorphism involved in the final collision between the Western and Eastern Blocks at ∼1.85 Ga. © 2008 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jsgen_HK
dc.relation.ispartofJournal of Structural Geologyen_HK
dc.subjectArcheanen_HK
dc.subjectDeformationen_HK
dc.subjectFupingen_HK
dc.subjectNorth China Cratonen_HK
dc.subjectPaleoproterozoicen_HK
dc.subjectSHRIMP U-Pb zircon ageen_HK
dc.titlePolyphase deformation of the Fuping Complex, Trans-North China Orogen: Structures, SHRIMP U-Pb zircon ages and tectonic implicationsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0191-8141&volume=31&issue=2&spage=177&epage=193&date=2009&atitle=Polyphase+deformation+of+the+Fuping+Complex,+Trans-North+China+Orogen:+structures,+SHRIMP+U-Pb+zircons+ages+and+tectonic+implicationsen_US
dc.identifier.emailZhao, G:gzhao@hkucc.hku.hken_HK
dc.identifier.emailSun, M:minsun@hku.hken_HK
dc.identifier.authorityZhao, G=rp00842en_HK
dc.identifier.authoritySun, M=rp00780en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jsg.2008.11.008en_HK
dc.identifier.scopuseid_2-s2.0-59349087261en_HK
dc.identifier.hkuros154947en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-59349087261&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume31en_HK
dc.identifier.issue2en_HK
dc.identifier.spage177en_HK
dc.identifier.epage193en_HK
dc.identifier.isiWOS:000264085000007-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZhang, J=49061670600en_HK
dc.identifier.scopusauthoridZhao, G=7403296321en_HK
dc.identifier.scopusauthoridLi, S=8784176300en_HK
dc.identifier.scopusauthoridSun, M=25932315800en_HK
dc.identifier.scopusauthoridWilde, SA=35254758600en_HK
dc.identifier.scopusauthoridLiu, S=35253878000en_HK
dc.identifier.scopusauthoridYin, C=16053843700en_HK

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