Geochemical analysis reveals redox-controlled covariation between cerium anomalies and isotopes in low-cerium carbonates, indicating redox-driven fractionation.
This study overcomes barriers in high-precision Ce isotope analysis of low-Ce carbonates (30 ng). Eleven reference materials confirms redox-controlled negative covariation between Ce anomalies and isotopes, reflecting redox-driven fractionation.
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Wu et al. (2026) studied this question.
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