Earliest geochemical evidence of plate tectonics found in 3.8-billion-year-old crystal - Phys.org


4/21/2022 12:00:00 AM3 yearsago
by Science X staff

A handful of ancient zircon crystals found in South Africa hold the oldest evidence of subduction, a key element of plate tectonics, according to a new study published today in AGU Advances.

A handful of ancient zircon crystals found in South Africa hold the oldest evidence of subduction, a key element of plate tectonics, according to a new study published today in AGU Advances. These r… [+5081 chars]

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