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

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

Bibliographic Details
Main Authors: Guangyu Huang, Ross N. Mitchell, Richard M. Palin, Christopher J. Spencer, Jinghui Guo
Format: Article
Language:English
Published: Nature Portfolio 2022-11-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-022-34343-0