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Changing ocean circulation and hydrothermal inputs during Ocean Anoxic Event 2 (Cenomanian-Turonian): Evidence from Nd-isotopes in the European shelf sea

Abstract:

Nd isotopes of fish debris collected from the English Chalk at Eastbourne (Sussex, UK) are used to reconstruct the history of ocean circulation in the NW European shelf sea during Oceanic Anoxic Event 2 (OAE 2, Cenomanian-Turonian). The Eastbourne εNd record exhibits a 1-unit negative excursion (decreasing from ~-9 to ~-10), immediately followed by a 3-unit positive excursion reaching ~-7. The onset of the negative εNd excursion lags the global δ13C rise characteristic of OAE 2, suggesting st...

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Publication status:
Published

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Publisher copy:
10.1016/j.epsl.2013.05.053

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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:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
375
Pages:
338-348
Publication date:
2013-08-01
DOI:
ISSN:
0012-821X
Source identifiers:
411858
Language:
English
Keywords:
Pubs id:
pubs:411858
UUID:
uuid:6c9bba73-cf62-49ad-97a1-3ab63e65372d
Local pid:
pubs:411858
Deposit date:
2013-11-16

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