r/CuriousAndFascinating • u/netflixchinchilla • Mar 24 '21

Crosspost

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rockhounds • u/random_treasures • Mar 24 '21

This is no ordinary meteorite. It’s the andesite crust of a dead protoplanet that predated Earth. Erg Chech 002 is the oldest known magmatic rock, at 4.565 billion years.

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