= Archean upper crust transition from mafic to felsic marks the onset of plate tectonics by Ming Tang and others
{tag=Work by Ming Tang}
{tag=Work by Kang Chen}
{tag=Work by Roberta L. Rudnick}
{title2=2016}
{title2=10.1126/science.aad5513}
https://pubmed.ncbi.nlm.nih.gov/26798012/
Authors: <Ming Tang>, <Kang Chen>, <Roberta L. Rudnick>.
Science 351, 372–375. Uses Ni/Co and Cr/Zn ratios to infer a change in upper <continental crust> composition during the <Archean>; the inferred timing of global <plate tectonics> is an interpretation.
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