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Mid-Cretaceous pCO(2) based on stomata of the extinct conifer Pseudofrenelopsis (Cheirolepidiaceae)

Abstract:

Stomatal characteristics of an extinct Cretaceous conifer, Pseudofrenelopsis parceramosa (Fontaine) Watson, are used to reconstruct atmospheric carbon dioxide (pCO2) over a time previously inferred to exhibit major fluctuations in this greenhouse gas. Samples are from nonmarine to marine strata of the Wealden and Lower Greensand Groups of England and the Potomac Group of the eastern United States, of Hauterivian to Albian age (136-100 Ma). Atmospheric pCO2 is estimated from the ratios between...

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Publication status:
Published

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Publisher copy:
10.1130/G21736.1

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Journal:
GEOLOGY More from this journal
Volume:
33
Issue:
9
Pages:
749-752
Publication date:
2005-09-01
DOI:
EISSN:
0091-7613
ISSN:
0091-7613
Language:
English
Keywords:
Pubs id:
pubs:81940
UUID:
uuid:e75ad846-5ebe-41dd-bd9c-a2dbf0b8154f
Local pid:
pubs:81940
Source identifiers:
81940
Deposit date:
2012-12-19

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