Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.
Long before oceans stabilized and continents formed, Hadean Earth was a world of molten rock, relentless asteroid impacts, and toxic atmospheres. Surface temperatures were extreme, and the young ...
Add Yahoo as a preferred source to see more of our stories on Google. AI models used ancient zircons to reveal Earth’s earliest crust chemistry, solving a long-standing geologic mystery. (CREDIT: CC ...
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This is what Earth looked like during its most violent era

During the Hadean eon, Earth was a world of constant impacts, molten rock, and a toxic atmosphere. The surface was repeatedly melted by asteroid strikes while intense heat escaped from the planet’s ...
A comprehensive examination of the oldest minerals on the planet, microscopic grains of zircon more resistant than diamond, ...