CORDIS Project
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This project explores the chemical processes of Earth's early differentiation by studying rare earth elements and isotopes. It aims to determine the composition of the mantle and core, providing insights into the planet's formation and evolution.
Although short-lived chronometers have yielded a precise chronology of the Early Earth differentiation, there is insufficient data available on the chemical fractionation related to these processes to model the Early Earth’s differentiation. 142Nd isotope data suggest that a reservoir enriched in rare earth elements (REE) has existed since 4.53 Ga, but has not been sampled since its formation.
A key question is whether such a reservoir could remain hidden for more than 4.5 Gyr in the convective…
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
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