Most Earth-surface calcites precipitate out of isotopic equilibrium

Isotopic thermometry of carbonate minerals postulates that their composition reflects thermodynamic equilibrium constants. Here the authors constrain equilibrium relationships between temperature, 18O/16O and clumped isotopes and find that most natural calcites form out of isotopic equilibrium.

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Bibliographic Details
Main Authors: M. Daëron, R. N. Drysdale, M. Peral, D. Huyghe, D. Blamart, T. B. Coplen, F. Lartaud, G. Zanchetta
Format: article
Language:EN
Published: Nature Portfolio 2019
Subjects:
Q
Online Access:https://doaj.org/article/7f71bb6639164d8895d5625b539d49ba
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