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Are these the world’s oldest rocks? Fresh data confirm contested claim

Scientists debate age of ancient Canadian crust as Inuit leaders work to preserve the location.
By
  1. Alexandra Witze
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On the shores of Hudson Bay in northeastern Canada lie what could be the world’s oldest rocks. A study now suggests they are at least 4.16 billion years old — 160 million years older than any others recorded, and the only piece of Earth’s crust known to have survived from the planet’s earliest eon1.

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doi: https://doi.org/10.1038/d41586-025-02010-1

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