Most natural-forming calcites precipitate at isotopic equilibrium

2021 · doi:10.21203/rs.3.rs-618607/v1
preprint OA: closed CC-BY-4.0
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Abstract

Abstract Based on thermodynamic equilibrium isotope fractionation theory, this letter reasonably understands the clumping 13C-18O (Δ47 ), as well as carbon and oxygen isotope fractionation in calcites with extremely slow-growing rates from Devils Hole and Laghetto Basso (Corchia Cave) at atomic level with solid physical precipitation models and quantum-mechanical backgrounds. It is found that most calcites in nature precipitate in at equilibrium.

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License: CC-BY-4.0