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Uranium isotope evidence for two episodes of deoxygenation during Oceanic Anoxic Event 2

Abstract:

Oceanic Anoxic Event 2 (OAE 2), occurring ∼94 million years ago, was one of the most extreme carbon cycle and climatic perturbations of the Phanerozoic Eon. It was typified by a rapid rise in atmospheric CO2, global warming, and marine anoxia, leading to the widespread devastation of marine ecosystems. However, the precise timing and extent to which oceanic anoxic conditions expanded during OAE 2 remains unresolved. We present a record of global ocean redox changes during OAE 2 using a combin...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1073/pnas.1715278115

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Oxford college:
St Edmund Hall
Role:
Author
ORCID:
0000-0002-2728-0984
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Earth Sciences
Role:
Author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Earth Sciences
Role:
Author
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More from this funder
Funding agency for:
Jenkyns, H
Grant:
ardGrantUOO1314
MarsdenFundSt
Publisher:
National Academy of Sciences Publisher's website
Journal:
Proceedings of the National Academy of Sciences Journal website
Volume:
115
Issue:
12
Pages:
2918-2923
Publication date:
2018-03-05
Acceptance date:
2018-01-22
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
Source identifiers:
828394
Keywords:
Pubs id:
pubs:828394
UUID:
uuid:76f3af13-b300-4a2d-972f-36ef290302dc
Local pid:
pubs:828394
Deposit date:
2018-03-08

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