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Article: Pan-African metamorphic and magmatic rocks of the Khanka Massif, NE China: Further evidence regarding their affinity

TitlePan-African metamorphic and magmatic rocks of the Khanka Massif, NE China: Further evidence regarding their affinity
Authors
Keywordsgranulites
Khanka Massif
Late Pan-African
Neoproterozoic
SHRIMP U-Pb dating
Issue Date2010
PublisherCambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=GEO
Citation
Geological Magazine, 2010, v. 147 n. 5, p. 737-749 How to Cite?
AbstractThe Khanka Massif is a crustal block located along the eastern margin of the Central Asian Orogenic Belt (CAOB) and bordered to the east by Late Jurassic-Early Cretaceous circum-Pacific accretionary complexes of the Eastern Asian continental margin. It consists of graphite-, sillimanite- and cordierite-bearing gneisses, carbonates and felsic paragneisses, in association with various orthogneisses. Metamorphic zircons from a sillimanite gneiss from the Hutou complex yield a weighted mean 206Pb/ 238U age of 490 ± 4 Ma, whereas detrital zircons from the same sample give ages from 934-610 Ma. Magmatic zircon cores in two garnet-bearing granite gneiss samples, also collected from the Hutou complex, yield weighted mean 206Pb/ 238U ages of 522 ± 5 Ma and 515 ± 8 Ma, whereas their metamorphic rims record 206Pb/ 238U ages of 510-500 Ma. These data indicate that the Hutou complex in the Khanka Massif records early Palaeozoic magmatic and metamorphic events, identical in age to those in the Mashan Complex of the Jiamusi Massif to the west. The older zircon populations in the sillimanite gneiss indicate derivation from Neoproterozoic sources, as do similar rocks in the Jiamusi Massif. These data confirm that the Khanka Massif has a close affinity with other major components of the CAOB to the west of the Dun-Mi Fault. Based on these results and previously published data, the Khanka Massif is therefore confirmed as having formed a single crustal entity with the Jiamusi (and possibly the Bureya) massif since Neoproterozoic time. Copyright © Cambridge University Press 2010.
Persistent Identifierhttp://hdl.handle.net/10722/139189
ISSN
2015 Impact Factor: 1.863
2015 SCImago Journal Rankings: 1.119
ISI Accession Number ID
Funding AgencyGrant Number
Natural Science Foundation of China40672148
40739905
40872121
Ph.D. Programs Foundation of Ministry of Education of China20090061110048
Ministry of Science and Technology of the P.R. China2009CB825008
Funding Information:

This study was funded by grants from the Natural Science Foundation of China (40672148, 40739905 and 40872121), Ph.D. Programs Foundation of Ministry of Education of China (20090061110048) and the Ministry of Science and Technology of the P.R. China (2009CB825008). The final version of the paper has benefited from the perceptive comments of David Pyle (editor), and reviewers Ian S. Williams and Chang Whan Oh. This is The Institute for Geosciences Research (TIGeR) publication No. 205.

References

 

DC FieldValueLanguage
dc.contributor.authorZhou, JBen_HK
dc.contributor.authorWilde, SAen_HK
dc.contributor.authorZhao, GCen_HK
dc.contributor.authorZhang, XZen_HK
dc.contributor.authorZheng, CQen_HK
dc.contributor.authorWang, Hen_HK
dc.contributor.authorZeng, WSen_HK
dc.date.accessioned2011-09-23T05:46:29Z-
dc.date.available2011-09-23T05:46:29Z-
dc.date.issued2010en_HK
dc.identifier.citationGeological Magazine, 2010, v. 147 n. 5, p. 737-749en_HK
dc.identifier.issn0016-7568en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139189-
dc.description.abstractThe Khanka Massif is a crustal block located along the eastern margin of the Central Asian Orogenic Belt (CAOB) and bordered to the east by Late Jurassic-Early Cretaceous circum-Pacific accretionary complexes of the Eastern Asian continental margin. It consists of graphite-, sillimanite- and cordierite-bearing gneisses, carbonates and felsic paragneisses, in association with various orthogneisses. Metamorphic zircons from a sillimanite gneiss from the Hutou complex yield a weighted mean 206Pb/ 238U age of 490 ± 4 Ma, whereas detrital zircons from the same sample give ages from 934-610 Ma. Magmatic zircon cores in two garnet-bearing granite gneiss samples, also collected from the Hutou complex, yield weighted mean 206Pb/ 238U ages of 522 ± 5 Ma and 515 ± 8 Ma, whereas their metamorphic rims record 206Pb/ 238U ages of 510-500 Ma. These data indicate that the Hutou complex in the Khanka Massif records early Palaeozoic magmatic and metamorphic events, identical in age to those in the Mashan Complex of the Jiamusi Massif to the west. The older zircon populations in the sillimanite gneiss indicate derivation from Neoproterozoic sources, as do similar rocks in the Jiamusi Massif. These data confirm that the Khanka Massif has a close affinity with other major components of the CAOB to the west of the Dun-Mi Fault. Based on these results and previously published data, the Khanka Massif is therefore confirmed as having formed a single crustal entity with the Jiamusi (and possibly the Bureya) massif since Neoproterozoic time. Copyright © Cambridge University Press 2010.en_HK
dc.languageengen_US
dc.publisherCambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=GEOen_HK
dc.relation.ispartofGeological Magazineen_HK
dc.rightsGeological Magazine. Copyright © Cambridge University Press.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectgranulitesen_HK
dc.subjectKhanka Massifen_HK
dc.subjectLate Pan-Africanen_HK
dc.subjectNeoproterozoicen_HK
dc.subjectSHRIMP U-Pb datingen_HK
dc.titlePan-African metamorphic and magmatic rocks of the Khanka Massif, NE China: Further evidence regarding their affinityen_HK
dc.typeArticleen_HK
dc.identifier.emailZhao, GC:gzhao@hkucc.hku.hken_HK
dc.identifier.authorityZhao, GC=rp00842en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1017/S0016756810000063en_HK
dc.identifier.scopuseid_2-s2.0-78049452632en_HK
dc.identifier.hkuros193919en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-78049452632&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume147en_HK
dc.identifier.issue5en_HK
dc.identifier.spage737en_HK
dc.identifier.epage749en_HK
dc.identifier.isiWOS:000281372700009-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZhou, JB=7405547094en_HK
dc.identifier.scopusauthoridWilde, SA=35254758600en_HK
dc.identifier.scopusauthoridZhao, GC=7403296321en_HK
dc.identifier.scopusauthoridZhang, XZ=14627861900en_HK
dc.identifier.scopusauthoridZheng, CQ=35304385700en_HK
dc.identifier.scopusauthoridWang, H=25947897600en_HK
dc.identifier.scopusauthoridZeng, WS=35387152200en_HK

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