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Article: U-Pb and Hf isotopic study of detrital zircons from the Yejishan Group of the Lüliang Complex: Constraints on the timing of collision between the Eastern and Western Blocks, North China Craton
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TitleU-Pb and Hf isotopic study of detrital zircons from the Yejishan Group of the Lüliang Complex: Constraints on the timing of collision between the Eastern and Western Blocks, North China Craton
 
AuthorsLiu, C1
Zhao, G1
Sun, M1
Wu, F2
Yang, J2
Yin, C1
Leung, WH1
 
KeywordsDetrital zircon
Foreland basin
Lüliang Complex
North China Craton
Paleoproterozoic
Trans-North China Orogen
 
Issue Date2011
 
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/sedgeo
 
CitationSedimentary Geology, 2011, v. 236 n. 1-2, p. 129-140 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.sedgeo.2011.01.001
 
AbstractThe Trans-North China Orogen is a recently recognized continent-continent collisional belt along which the discrete Eastern and Western Blocks amalgamated to form the coherent basement of the North China Craton. However, there is a hot debate on the timing of the collision between the two blocks, with one school of thought arguing the collision occurred at 2.5Ga, whereas others believe it took place at ~1.85Ga. U-Pb ages and Hf isotopic data of detrital zircons from foreland basins in the Trans-North China Orogen can provide rigorous constraints on this controversial issue. One of such foreland basins is represented by the Yejishan Group in the Lüliang Complex in the middle sector of the western margin of the Trans-North China Orogen. The group consists of conglomerates, quartz wackes, sandstones and minor limestones, most of which contain large amounts of detrital zircons. CL images reveal that nearly all detrital zircons from the Yejishan Group possess oscillatory zoning, with Th/U ratios of 0.2-2.34, typical of an igneous origin. The 207Pb/ 206Pb ages of detrital zircons range between 3.24 and 1.81Ga, with most having Paleoproterozoic ages, of which the youngest group ages are around 1.87-1.81Ga. This indicates that the foreland basin in which the Yejishan Group was deposited must have formed not earlier than 1.87-1.81Ga, thus supporting the collision between the Eastern and Western Blocks at ~1.85Ga, not at ~2.5Ga. © 2011 Elsevier B.V.
 
ISSN0037-0738
2013 Impact Factor: 2.134
2013 SCImago Journal Rankings: 1.156
 
DOIhttp://dx.doi.org/10.1016/j.sedgeo.2011.01.001
 
ISI Accession Number IDWOS:000289387800009
Funding AgencyGrant Number
Hong Kong RGC GRF7063/06P
7066/07P
7053/08P
Funding Information:

This research was financially supported by Hong Kong RGC GRF grants (7063/06P, 7066/07P and 7053/08P). We thank Liewen Xie, Yueheng Yang, and Yanbing Zhang for their laboratory assistance. A HKU postgraduate studentship to Chaohui Liu is greatly acknowledged.

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorLiu, C
 
dc.contributor.authorZhao, G
 
dc.contributor.authorSun, M
 
dc.contributor.authorWu, F
 
dc.contributor.authorYang, J
 
dc.contributor.authorYin, C
 
dc.contributor.authorLeung, WH
 
dc.date.accessioned2011-09-23T05:46:16Z
 
dc.date.available2011-09-23T05:46:16Z
 
dc.date.issued2011
 
dc.description.abstractThe Trans-North China Orogen is a recently recognized continent-continent collisional belt along which the discrete Eastern and Western Blocks amalgamated to form the coherent basement of the North China Craton. However, there is a hot debate on the timing of the collision between the two blocks, with one school of thought arguing the collision occurred at 2.5Ga, whereas others believe it took place at ~1.85Ga. U-Pb ages and Hf isotopic data of detrital zircons from foreland basins in the Trans-North China Orogen can provide rigorous constraints on this controversial issue. One of such foreland basins is represented by the Yejishan Group in the Lüliang Complex in the middle sector of the western margin of the Trans-North China Orogen. The group consists of conglomerates, quartz wackes, sandstones and minor limestones, most of which contain large amounts of detrital zircons. CL images reveal that nearly all detrital zircons from the Yejishan Group possess oscillatory zoning, with Th/U ratios of 0.2-2.34, typical of an igneous origin. The 207Pb/ 206Pb ages of detrital zircons range between 3.24 and 1.81Ga, with most having Paleoproterozoic ages, of which the youngest group ages are around 1.87-1.81Ga. This indicates that the foreland basin in which the Yejishan Group was deposited must have formed not earlier than 1.87-1.81Ga, thus supporting the collision between the Eastern and Western Blocks at ~1.85Ga, not at ~2.5Ga. © 2011 Elsevier B.V.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationSedimentary Geology, 2011, v. 236 n. 1-2, p. 129-140 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.sedgeo.2011.01.001
 
dc.identifier.citeulike8624213
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.sedgeo.2011.01.001
 
dc.identifier.epage140
 
dc.identifier.hkuros193873
 
dc.identifier.isiWOS:000289387800009
Funding AgencyGrant Number
Hong Kong RGC GRF7063/06P
7066/07P
7053/08P
Funding Information:

This research was financially supported by Hong Kong RGC GRF grants (7063/06P, 7066/07P and 7053/08P). We thank Liewen Xie, Yueheng Yang, and Yanbing Zhang for their laboratory assistance. A HKU postgraduate studentship to Chaohui Liu is greatly acknowledged.

 
dc.identifier.issn0037-0738
2013 Impact Factor: 2.134
2013 SCImago Journal Rankings: 1.156
 
dc.identifier.issue1-2
 
dc.identifier.scopuseid_2-s2.0-79952581622
 
dc.identifier.spage129
 
dc.identifier.urihttp://hdl.handle.net/10722/139166
 
dc.identifier.volume236
 
dc.languageeng
 
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/sedgeo
 
dc.publisher.placeNetherlands
 
dc.relation.ispartofSedimentary Geology
 
dc.relation.referencesReferences in Scopus
 
dc.subjectDetrital zircon
 
dc.subjectForeland basin
 
dc.subjectLüliang Complex
 
dc.subjectNorth China Craton
 
dc.subjectPaleoproterozoic
 
dc.subjectTrans-North China Orogen
 
dc.titleU-Pb and Hf isotopic study of detrital zircons from the Yejishan Group of the Lüliang Complex: Constraints on the timing of collision between the Eastern and Western Blocks, North China Craton
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong
  2. Institute of Geology and Geophysics Chinese Academy of Sciences