Oldest evidence of tectonic plates unearthed, sealed in ancient crystals

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The oldest evidence of tectonic plates are sealed in ancient crystals

Oldest evidence of tectonic plates unearthed, sealed in ancient crystals : Read more

 

[Broadlands]

"rocks that are between 2.5 [billion] and 4 billion years old only make up 5% of the rocks at the surface," Those rocks contain evidence of iron oxidation and of life....cyanobacteria emitting oxygen in surface waters. Tectonics was not a problem.