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Article: First SHRIMP zircon U-Pb ages for Hutuo Group in Wutaishan: Further evidence for Palaeoproterozoic amalgamation of North China Craton

TitleFirst SHRIMP zircon U-Pb ages for Hutuo Group in Wutaishan: Further evidence for Palaeoproterozoic amalgamation of North China Craton
Authors
KeywordsCollisional Orogenesis
Hutuo Group
North China Craton
Palaeoproterozoic
Shrimp Zircon Ages
Issue Date2004
PublisherScience China Press. The Journal's web site is located at http://www.springerlink.com/content/1001-6538/
Citation
Chinese Science Bulletin, 2004, v. 49 n. 1, p. 83-90 How to Cite?
AbstractA felsic tuffaceous rock, obtained from a metamorphosed sequence of volcanics and sediments of the Hutuo Group, 8 km south of Taihuai in Wutaishan, contains two zircon populations. These record SHRIMP 207Pb/ 206Pb weighted mean ages of 2180 ± 5 Ma and 2087 ± 9 Ma, respectively. The older date is within error of the age of the Dawaliang Granite in Wutaishan and is considered to be derived from a similar crustal magmatic source. The younger date is within error of reported ages from metasediments and meta-volcanics of the Wanzi supracrustal rocks and the Nanying granitic gneisses in the adjacent Fuping Complex and is interpreted to be the age of volcanism in the Hutuo Group. These data establish that: (1) the Hutuo Group is Paleoproterozoic and not Archean in age and (2) the volcanism and sedimentation were coeval in the Wutai and Fuping complexes. Sedimentation was therefore widespread at this time and possibly reflects deposition along an evolving continental margin, most likely the western margin of the Eastern Block of the North China Craton. The age of 2087 ± 9 Ma for volcanism in the Hutuo Group means that it must have been deformed and metamorphosed after this time. This further supports the evidence, obtained from other recent studies, that the main tectonism in the Wutaishan area occurred at ∼1.8 Ga during the Lüliang orogeny. This orogeny resulted in the collision of the Eastern and Western blocks of the North China Craton and formed part of a global supercontinental amalgamation event.
Persistent Identifierhttp://hdl.handle.net/10722/151129
ISSN
2015 Impact Factor: 1.789
References

 

DC FieldValueLanguage
dc.contributor.authorWilde, SAen_US
dc.contributor.authorZhao, Gen_US
dc.contributor.authorWang, Ken_US
dc.contributor.authorSun, Men_US
dc.date.accessioned2012-06-26T06:17:26Z-
dc.date.available2012-06-26T06:17:26Z-
dc.date.issued2004en_US
dc.identifier.citationChinese Science Bulletin, 2004, v. 49 n. 1, p. 83-90en_US
dc.identifier.issn1001-6538en_US
dc.identifier.urihttp://hdl.handle.net/10722/151129-
dc.description.abstractA felsic tuffaceous rock, obtained from a metamorphosed sequence of volcanics and sediments of the Hutuo Group, 8 km south of Taihuai in Wutaishan, contains two zircon populations. These record SHRIMP 207Pb/ 206Pb weighted mean ages of 2180 ± 5 Ma and 2087 ± 9 Ma, respectively. The older date is within error of the age of the Dawaliang Granite in Wutaishan and is considered to be derived from a similar crustal magmatic source. The younger date is within error of reported ages from metasediments and meta-volcanics of the Wanzi supracrustal rocks and the Nanying granitic gneisses in the adjacent Fuping Complex and is interpreted to be the age of volcanism in the Hutuo Group. These data establish that: (1) the Hutuo Group is Paleoproterozoic and not Archean in age and (2) the volcanism and sedimentation were coeval in the Wutai and Fuping complexes. Sedimentation was therefore widespread at this time and possibly reflects deposition along an evolving continental margin, most likely the western margin of the Eastern Block of the North China Craton. The age of 2087 ± 9 Ma for volcanism in the Hutuo Group means that it must have been deformed and metamorphosed after this time. This further supports the evidence, obtained from other recent studies, that the main tectonism in the Wutaishan area occurred at ∼1.8 Ga during the Lüliang orogeny. This orogeny resulted in the collision of the Eastern and Western blocks of the North China Craton and formed part of a global supercontinental amalgamation event.en_US
dc.languageengen_US
dc.publisherScience China Press. The Journal's web site is located at http://www.springerlink.com/content/1001-6538/en_US
dc.relation.ispartofChinese Science Bulletinen_US
dc.subjectCollisional Orogenesisen_US
dc.subjectHutuo Groupen_US
dc.subjectNorth China Cratonen_US
dc.subjectPalaeoproterozoicen_US
dc.subjectShrimp Zircon Agesen_US
dc.titleFirst SHRIMP zircon U-Pb ages for Hutuo Group in Wutaishan: Further evidence for Palaeoproterozoic amalgamation of North China Cratonen_US
dc.typeArticleen_US
dc.identifier.emailZhao, G: gzhao@hkucc.hku.hken_US
dc.identifier.emailSun, M: minsun@hku.hken_US
dc.identifier.authorityZhao, G=rp00842en_US
dc.identifier.authoritySun, M=rp00780en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1360/03wd0220en_US
dc.identifier.scopuseid_2-s2.0-11444259903en_US
dc.identifier.hkuros91077-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-11444259903&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume49en_US
dc.identifier.issue1en_US
dc.identifier.spage83en_US
dc.identifier.epage90en_US
dc.publisher.placeChinaen_US
dc.identifier.scopusauthoridWilde, SA=35254758600en_US
dc.identifier.scopusauthoridZhao, G=7403296321en_US
dc.identifier.scopusauthoridWang, K=7501397448en_US
dc.identifier.scopusauthoridSun, M=25932315800en_US

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