Article: High-precision 40Ar/ 39Ar age constraints on the basal Lanqi Formation and its implications for the origin of angiosperm plants
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- Publisher Website: 10.1016/j.epsl.2008.12.045
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| Title | High-precision 40Ar/ 39Ar age constraints on the basal Lanqi Formation and its implications for the origin of angiosperm plants | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Authors | Chang, Sc1 Zhang, H3 Renne, PR1 2 Fang, Y3 | ||||||||
| Keywords | 40Ar/ 39Ar angiosperm floral evolution Jurassic Lanqi Formation Liaoning | ||||||||
| Issue Date | 2009 | ||||||||
| Publisher | Elsevier 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?] DOI: http://dx.doi.org/10.1016/j.epsl.2008.12.045 | ||||||||
| Abstract | Abundant 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. | ||||||||
| ISSN | 0012-821X 2011 Impact Factor: 4.18 2011 SCImago Journal Rankings: 0.329 | ||||||||
| DOI | http://dx.doi.org/10.1016/j.epsl.2008.12.045 | ||||||||
| ISI Accession Number ID | WOS:000264743200007
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 | References in Scopus |
| dc.contributor.author | Chang, Sc | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| dc.contributor.author | Zhang, H | ||||||||
| dc.contributor.author | Renne, PR | ||||||||
| dc.contributor.author | Fang, Y | ||||||||
| dc.date.accessioned | 2011-04-04T06:35:24Z | ||||||||
| dc.date.available | 2011-04-04T06:35:24Z | ||||||||
| dc.date.issued | 2009 | ||||||||
| dc.description.abstract | Abundant 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. | ||||||||
| dc.description.nature | Link_to_subscribed_fulltext | ||||||||
| dc.identifier.citation | Earth And Planetary Science Letters, 2009, v. 279 n. 3-4, p. 212-221 [How to Cite?] DOI: http://dx.doi.org/10.1016/j.epsl.2008.12.045 | ||||||||
| dc.identifier.doi | http://dx.doi.org/10.1016/j.epsl.2008.12.045 | ||||||||
| dc.identifier.epage | 221 | ||||||||
| dc.identifier.isi | WOS:000264743200007
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. | ||||||||
| dc.identifier.issn | 0012-821X 2011 Impact Factor: 4.18 2011 SCImago Journal Rankings: 0.329 | ||||||||
| dc.identifier.issue | 3-4 | ||||||||
| dc.identifier.openurl | | ||||||||
| dc.identifier.scopus | eid_2-s2.0-60949113742 | ||||||||
| dc.identifier.spage | 212 | ||||||||
| dc.identifier.uri | http://hdl.handle.net/10722/132845 | ||||||||
| dc.identifier.volume | 279 | ||||||||
| dc.language | eng | ||||||||
| dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/epsl | ||||||||
| dc.publisher.place | Netherlands | ||||||||
| dc.relation.ispartof | Earth and Planetary Science Letters | ||||||||
| dc.relation.references | References in Scopus | ||||||||
| dc.subject | 40Ar/ 39Ar | ||||||||
| dc.subject | angiosperm | ||||||||
| dc.subject | floral evolution | ||||||||
| dc.subject | Jurassic | ||||||||
| dc.subject | Lanqi Formation | ||||||||
| dc.subject | Liaoning | ||||||||
| dc.title | High-precision 40Ar/ 39Ar age constraints on the basal Lanqi Formation and its implications for the origin of angiosperm plants | ||||||||
| dc.type | Article |
Author Affiliations
- UC Berkeley
- Berkeley Geochronology Center
- Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences