Barium content of Archaean continental crust reveals the onset of subduction was not global

Guangyu Huang; Ross N. Mitchell; Richard M. Palin; Christopher J. Spencer; Jinghui Guo

doi:10.1038/s41467-022-34343-0

Nature Communications (Nov 2022)

Barium content of Archaean continental crust reveals the onset of subduction was not global

Guangyu Huang,
Ross N. Mitchell,
Richard M. Palin,
Christopher J. Spencer,
Jinghui Guo

Affiliations

Guangyu Huang: State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences
Ross N. Mitchell: State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences
Richard M. Palin: Department of Earth Sciences, University of Oxford
Christopher J. Spencer: Department of Geological Sciences and Geological Engineering, Queen’s University
Jinghui Guo: State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences

DOI: https://doi.org/10.1038/s41467-022-34343-0
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 8

Abstract

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Only subduction zone can produce Ba-rich TTG, representing a proxy for the onset of subduction. Statistical increases in Ba contents of Archaean TTGs reveal the diachronous onset of subduction from regional at 4 Ga to globally complete after 2.7 Ga

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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