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Article: High-precision 40Ar/ 39Ar age constraints on the basal Lanqi Formation and its implications for the origin of angiosperm plants

TitleHigh-precision 40Ar/ 39Ar age constraints on the basal Lanqi Formation and its implications for the origin of angiosperm plants
Authors
Keywords40Ar/ 39Ar
angiosperm
floral evolution
Jurassic
Lanqi Formation
Liaoning
Issue Date2009
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/epsl
Citation
Earth And Planetary Science Letters, 2009, v. 279 n. 3-4, p. 212-221 How to Cite?
AbstractAbundant Mesozoic terrestrial fossils were discovered in the Haifanggou Formation and the overlying Lanqi Formation in northeastern China. The recent discovery of Schmeissneria sinensis from the Haifanggou Formation provides evidence that the origin of angiosperms could be much earlier than previously believed. 92 taxa of plant fossils from the Lanqi Formation provide unique opportunities to understand the floral evolution and its diversification in the Mesozoic. Here we present robust high-precision 40Ar/ 39Ar data of 160.7 ± 0.4 Ma and 158.7 ± 0.6 Ma for two tuffs from the lowest part of the Lanqi Formation near the main outcrop of floral fossils in Beipiao City, Liaoning, China. Our age results indicate the whole Lanqi Formation was deposited in the Late Jurassic; consequently, the underlying Haifanggou Formation and Schmeissneria sinensis are at least Middle Jurassic in age. Besides its importance for floral evolution, our high-precision age results for the basal Lanqi Formation indicate the paleoenvironment in the north margin of the North China Craton was dry and hot in the Late Jurassic. Moreover, the new age data for the basal Lanqi Formation suggest that the unearthed fossils from the Haifanggou Formation and Lanqi Formation should be equivalent to the Daohugou Biota in Inner Mongolia, China. © 2009 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/132845
ISSN
2014 Impact Factor: 4.734
2014 SCImago Journal Rankings: 2.967
ISI Accession Number ID
Funding AgencyGrant Number
National Science Foundation of China40872015
Ann and Gordon Getty Foundation
Leroy Hill Opportunity Fund
Funding Information:

This research was supported by the National Science Foundation of China (40872015), the Ann and Gordon Getty Foundation, and the Leroy Hill Opportunity Fund. We thank Pei-ji Chen for suggesting the sampling location, Tim Becker for mass spectrometry assistance and three anonymous reviewers for their useful comments. Su-chin Chang thanks her dissertation committee member Kevin Padian for discussion.

References

 

DC FieldValueLanguage
dc.contributor.authorChang, Scen_HK
dc.contributor.authorZhang, Hen_HK
dc.contributor.authorRenne, PRen_HK
dc.contributor.authorFang, Yen_HK
dc.date.accessioned2011-04-04T06:35:24Z-
dc.date.available2011-04-04T06:35:24Z-
dc.date.issued2009en_HK
dc.identifier.citationEarth And Planetary Science Letters, 2009, v. 279 n. 3-4, p. 212-221en_HK
dc.identifier.issn0012-821Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/132845-
dc.description.abstractAbundant Mesozoic terrestrial fossils were discovered in the Haifanggou Formation and the overlying Lanqi Formation in northeastern China. The recent discovery of Schmeissneria sinensis from the Haifanggou Formation provides evidence that the origin of angiosperms could be much earlier than previously believed. 92 taxa of plant fossils from the Lanqi Formation provide unique opportunities to understand the floral evolution and its diversification in the Mesozoic. Here we present robust high-precision 40Ar/ 39Ar data of 160.7 ± 0.4 Ma and 158.7 ± 0.6 Ma for two tuffs from the lowest part of the Lanqi Formation near the main outcrop of floral fossils in Beipiao City, Liaoning, China. Our age results indicate the whole Lanqi Formation was deposited in the Late Jurassic; consequently, the underlying Haifanggou Formation and Schmeissneria sinensis are at least Middle Jurassic in age. Besides its importance for floral evolution, our high-precision age results for the basal Lanqi Formation indicate the paleoenvironment in the north margin of the North China Craton was dry and hot in the Late Jurassic. Moreover, the new age data for the basal Lanqi Formation suggest that the unearthed fossils from the Haifanggou Formation and Lanqi Formation should be equivalent to the Daohugou Biota in Inner Mongolia, China. © 2009 Elsevier B.V. All rights reserved.en_HK
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/epslen_HK
dc.relation.ispartofEarth and Planetary Science Lettersen_HK
dc.subject40Ar/ 39Aren_HK
dc.subjectangiospermen_HK
dc.subjectfloral evolutionen_HK
dc.subjectJurassicen_HK
dc.subjectLanqi Formationen_HK
dc.subjectLiaoningen_HK
dc.titleHigh-precision 40Ar/ 39Ar age constraints on the basal Lanqi Formation and its implications for the origin of angiosperm plantsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0012-821X&volume=279&spage=212&epage=221&date=Mar&atitle=High-precision+40Ar/39Ar+age+constraints+on+the+basal+Lanqi+Formation+and+its+implications+for+the+origin+of+angiosperm+plants-
dc.identifier.emailChang, Sc:suchin@hku.hken_HK
dc.identifier.authorityChang, Sc=rp01478en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.epsl.2008.12.045en_HK
dc.identifier.scopuseid_2-s2.0-60949113742en_HK
dc.identifier.hkuros216717-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-60949113742&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume279en_HK
dc.identifier.issue3-4en_HK
dc.identifier.spage212en_HK
dc.identifier.epage221en_HK
dc.identifier.eissn1385-013X-
dc.identifier.isiWOS:000264743200007-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridChang, Sc=26029687300en_HK
dc.identifier.scopusauthoridZhang, H=7409195016en_HK
dc.identifier.scopusauthoridRenne, PR=35230903300en_HK
dc.identifier.scopusauthoridFang, Y=49160897700en_HK

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