Calcium isotope evidence for early Archaean carbonates and subduction of oceanic crust

Michael A. Antonelli; Jillian Kendrick; Chris Yakymchuk; Martin Guitreau; Tushar Mittal; Frédéric Moynier

doi:10.1038/s41467-021-22748-2

Nature Communications (May 2021)

Calcium isotope evidence for early Archaean carbonates and subduction of oceanic crust

Michael A. Antonelli,
Jillian Kendrick,
Chris Yakymchuk,
Martin Guitreau,
Tushar Mittal,
Frédéric Moynier

Affiliations

Michael A. Antonelli: Institut de Physiques du Globe de Paris, Université de Paris, CNRS, UMR 7154
Jillian Kendrick: Department of Earth and Environmental Sciences, University of Waterloo
Chris Yakymchuk: Department of Earth and Environmental Sciences, University of Waterloo
Martin Guitreau: Université Clermont Auvergne, CNRS, IRD, OPGC, Laboratoire Magma et Volcans
Tushar Mittal: Department of Earth, Planetary and Atmospheric Sciences, Massachusetts Institute of Technology
Frédéric Moynier: Institut de Physiques du Globe de Paris, Université de Paris, CNRS, UMR 7154

DOI: https://doi.org/10.1038/s41467-021-22748-2
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 8

Abstract

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Phase equilibrium modelling combined with Ca isotope measurements in ancient granitoids demonstrates that subduction of oceanic crust occurred repeatedly throughout the Archaean and that carbonate sediments were present in early Eoarchaean oceans (>3.8 billion years).

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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