Kolkata: Zircon a little more than 4 billion years old has previously been found in Kerala’s Wayanad (in 2016) and from the river Baitarani in Odisha (in 2018). The Earth’s oldest zircon discovery, ...
The Nuvvuagittuq Greenstone Belt (NGB) – a complex geological sequence in northeastern Canada – harbors surviving fragments of Earth’s oldest crust, dating back to ~4.16 billion years old, according ...
An understanding of the amount of continental crust produced in the first 500 million years of Earth history, and the resulting chemical differentiation of the Hadean silicate Earth, are critical ...
Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction. Ancient melt inclusions and advanced simulations point to continents ...
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