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Article: U-Pb and Hf isotopic compositions of detrital zircons from the paragneisses of the Quanji Massif, NW China: Implications for its early tectonic evolutionary history
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TitleU-Pb and Hf isotopic compositions of detrital zircons from the paragneisses of the Quanji Massif, NW China: Implications for its early tectonic evolutionary history
 
AuthorsChen, N3 1 2
Zhang, L1
Sun, M2
Wang, Q1
Kusky, TM1
 
KeywordsDetrital zircon U–Pb dating
Hf isotope compositions
Trace elements in zircon
Crustal growth
Quanji Massif
Tarim–Yangtze–North China cratons
 
Issue Date2012
 
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaes
 
CitationJournal of Asian Earth Sciences, 2012, v. 54-55, p. 110-130 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.jseaes.2012.04.006
 
AbstractThe Quanji Massif is a cratonic fragment located on the northeastern margin of the Qinghai-Tibetan Plateau in western Qinghai Province, northwest China (Fig. 1). This massif consists of pre-Neoproterozoic crystalline basement unconformably overlain by mid- to late-Neoproterozoic and Cambrian strata. The basement is dominantly made up of the Delingha complex and the supracrustal Dakendaban Group. The Delingha complex is made up of 2.24–2.39 Ga granitic gneisses with enclaves of dominant amphibolite and minor felsic gneisses as well as granulites. The supracrustal Dakendaban group is in tectonic contact with the Delingha Complex, and can be divided into the lower and upper Dakendaban sub-Groups. Data from detrital zircons show that the protolith rocks of these two sub-groups were deposited after ~2.32 Ga, and ~2.11 Ga, respectively. The detrital zircon age and Hf isotopic data and geological correlations suggest that the Quanji Massif was possibly fragmented from the Tarim Craton, and the Delingha complex was probably uplifted to become the major sedimentary source for the upper Dakendaban sub-group at ~2.11 Ga. Our zircon Hf-isotope compositions demonstrate important crustal growth at 2.6–2.7 Ga and ~2.5 Ga. Together with the important magmatic activity at ~2.2–2.4 Ga and geological data, our results seem to suggest that the Tarim Craton was part of the North China Craton in its early evolutionary history but rifted away and joined the Yangtze Craton prior to the Neoproterozoic. 2012 Elsevier Ltd. All rights reserved.
 
ISSN1367-9120
2013 Impact Factor: 2.831
2013 SCImago Journal Rankings: 1.475
 
DOIhttp://dx.doi.org/10.1016/j.jseaes.2012.04.006
 
ISI Accession Number IDWOS:000307321300011
 
DC FieldValue
dc.contributor.authorChen, N
 
dc.contributor.authorZhang, L
 
dc.contributor.authorSun, M
 
dc.contributor.authorWang, Q
 
dc.contributor.authorKusky, TM
 
dc.date.accessioned2012-08-16T05:51:11Z
 
dc.date.available2012-08-16T05:51:11Z
 
dc.date.issued2012
 
dc.description.abstractThe Quanji Massif is a cratonic fragment located on the northeastern margin of the Qinghai-Tibetan Plateau in western Qinghai Province, northwest China (Fig. 1). This massif consists of pre-Neoproterozoic crystalline basement unconformably overlain by mid- to late-Neoproterozoic and Cambrian strata. The basement is dominantly made up of the Delingha complex and the supracrustal Dakendaban Group. The Delingha complex is made up of 2.24–2.39 Ga granitic gneisses with enclaves of dominant amphibolite and minor felsic gneisses as well as granulites. The supracrustal Dakendaban group is in tectonic contact with the Delingha Complex, and can be divided into the lower and upper Dakendaban sub-Groups. Data from detrital zircons show that the protolith rocks of these two sub-groups were deposited after ~2.32 Ga, and ~2.11 Ga, respectively. The detrital zircon age and Hf isotopic data and geological correlations suggest that the Quanji Massif was possibly fragmented from the Tarim Craton, and the Delingha complex was probably uplifted to become the major sedimentary source for the upper Dakendaban sub-group at ~2.11 Ga. Our zircon Hf-isotope compositions demonstrate important crustal growth at 2.6–2.7 Ga and ~2.5 Ga. Together with the important magmatic activity at ~2.2–2.4 Ga and geological data, our results seem to suggest that the Tarim Craton was part of the North China Craton in its early evolutionary history but rifted away and joined the Yangtze Craton prior to the Neoproterozoic. 2012 Elsevier Ltd. All rights reserved.
 
dc.identifier.citationJournal of Asian Earth Sciences, 2012, v. 54-55, p. 110-130 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.jseaes.2012.04.006
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.jseaes.2012.04.006
 
dc.identifier.epage130
 
dc.identifier.hkuros205436
 
dc.identifier.isiWOS:000307321300011
 
dc.identifier.issn1367-9120
2013 Impact Factor: 2.831
2013 SCImago Journal Rankings: 1.475
 
dc.identifier.scopuseid_2-s2.0-84862188491
 
dc.identifier.spage110
 
dc.identifier.urihttp://hdl.handle.net/10722/159511
 
dc.identifier.volume54-55
 
dc.languageeng
 
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaes
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofJournal of Asian Earth Sciences
 
dc.subjectDetrital zircon U–Pb dating
 
dc.subjectHf isotope compositions
 
dc.subjectTrace elements in zircon
 
dc.subjectCrustal growth
 
dc.subjectQuanji Massif
 
dc.subjectTarim–Yangtze–North China cratons
 
dc.titleU-Pb and Hf isotopic compositions of detrital zircons from the paragneisses of the Quanji Massif, NW China: Implications for its early tectonic evolutionary history
 
dc.typeArticle
 
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<contributor.author>Kusky, TM</contributor.author>
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<description.abstract>The Quanji Massif is a cratonic fragment located on the northeastern margin of the Qinghai-Tibetan Plateau in western Qinghai Province, northwest China (Fig. 1). This massif consists of pre-Neoproterozoic crystalline basement unconformably overlain by mid- to late-Neoproterozoic and Cambrian strata. The basement is dominantly made up of the Delingha complex and the supracrustal Dakendaban Group. The Delingha complex is made up of 2.24&#8211;2.39 Ga granitic gneisses with enclaves of dominant amphibolite and minor felsic gneisses as well as granulites. The supracrustal Dakendaban group is in tectonic contact with the Delingha Complex, and can be divided into the lower and upper Dakendaban sub-Groups. Data from detrital zircons show that the protolith rocks of these two sub-groups were deposited after &#65374;2.32 Ga, and &#65374;2.11 Ga, respectively. The detrital zircon age and Hf isotopic data and geological correlations suggest that the Quanji Massif was possibly fragmented from the Tarim Craton, and the Delingha complex was probably uplifted to become the major sedimentary source for the upper Dakendaban sub-group at &#65374;2.11 Ga. Our zircon Hf-isotope compositions demonstrate important crustal growth at 2.6&#8211;2.7 Ga and &#65374;2.5 Ga. Together with the important magmatic activity at &#65374;2.2&#8211;2.4 Ga and geological data, our results seem to suggest that the Tarim Craton was part of the North China Craton in its early evolutionary history but rifted away and joined the Yangtze Craton prior to the Neoproterozoic. 2012 Elsevier Ltd. All rights reserved.</description.abstract>
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<subject>Crustal growth</subject>
<subject>Quanji Massif</subject>
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Author Affiliations
  1. China University of Geosciences
  2. The University of Hong Kong
  3. Northwestern University