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Iodine to calcium ratios in marine carbonate as a paleo-redox proxy during oceanic anoxic events

Abstract:

Periods of globally distributed extreme oxygen depletion, so-called oceanic anoxic events (OAEs), have been recognized in the Mesozoic geological record and appear to be characteristic of episodes of extreme warmth. Here we explore the application of iodine/calcium ratios (I/Ca) in marine carbonate as a new geochemical proxy to constrain seawater redox change, and provide additional insights into the response of ocean chemistry to ancient climatic warming. Iodine has long been known as a redo...

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Publication status:
Published

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Publisher copy:
10.1130/G31145.1

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Journal:
GEOLOGY More from this journal
Volume:
38
Issue:
12
Pages:
1107-1110
Publication date:
2010-12-01
DOI:
EISSN:
0091-7613
ISSN:
0091-7613
Language:
English
Pubs id:
pubs:103775
UUID:
uuid:d4684fff-269e-4de8-bf30-1bc58593b47a
Local pid:
pubs:103775
Source identifiers:
103775
Deposit date:
2012-12-19

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