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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:
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Publisher copy:
10.1016/j.epsl.2013.05.053

Authors


Zheng, X-Y More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Journal:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
375
Pages:
338-348
Publication date:
2013-08-01
DOI:
ISSN:
0012-821X
URN:
uuid:6c9bba73-cf62-49ad-97a1-3ab63e65372d
Source identifiers:
411858
Local pid:
pubs:411858

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