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^(13)C-^(18)O bonds in dissolved inorganic carbon: Implications for carbonate clumped isotope thermometry

Guo, W. and Daëron, M. and Niles, P. and Genty, D. and Kim, S.-T. and Vonhof, H. and Affek, H. and Wainer, K. and Blamart, D. and Eiler, J. (2008) ^(13)C-^(18)O bonds in dissolved inorganic carbon: Implications for carbonate clumped isotope thermometry. Geochimica et Cosmochimica Acta, 72 (12). A336-A336. ISSN 0016-7037. doi:10.1016/j.gca.2008.05.010.

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Carbonate clumped isotope thermometry is based on a homogeneous thermodynamic equilibrium that orders ^(13)C and ^(18)O into bonds with each other within the carbonate lattice. To improve understanding of this new geothermometer and advance its application to natural environments, we present here theoretical predictions of the equilibrium and kinetic (including CO_2 hydration, hydroxylation, and reverse reactions) fractionations of ‘clumped’ isotopic species in dissolved inorganic carbon (DIC), and tests of these predictions based on measurements of both synthetic and natural carbonates.

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Additional Information:© 2008 Published by Elsevier Ltd.
Issue or Number:12
Record Number:CaltechAUTHORS:20130725-094145582
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Official Citation:Goldschmidt Abstracts 2008- G, Geochimica et Cosmochimica Acta, Volume 72, Issue 12, Supplement, July 2008, Pages A287-A338, ISSN 0016-7037,
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39578
Deposited By: Tony Diaz
Deposited On:09 Aug 2013 21:02
Last Modified:09 Nov 2021 23:45

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