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Temperature dependence of oxygen isotope fractionation in coccolith calcite: A culture and core top calibration of the genus Calcidiscus

Abstract:

Reconstructions of seawater temperature based on measurement of oxygen isotopes in carbonates mostly derive from analyses of bulk sediment samples or manually picked foraminifera. The temperature dependence of 18O fractionation in biogenic calcite was first established in the 1950s and the objective of the present study is to re-evaluate this temperature dependence in coccolith calcite with a view to developing a robust proxy for reconstructing " vital effect" -free δ18O values. Coccoliths, t...

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Publication status:
Published

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Publisher copy:
10.1016/j.gca.2012.09.040

Authors


Candelier, Y More by this author
Minoletti, F More by this author
Probert, I More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Journal:
GEOCHIMICA ET COSMOCHIMICA ACTA
Volume:
100
Pages:
264-281
Publication date:
2013
DOI:
ISSN:
0016-7037
URN:
uuid:b50751e3-70f7-45d3-a199-55caebdaf56c
Source identifiers:
366883
Local pid:
pubs:366883
Language:
English

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