Cosmic rays turned ancient sand into a geological time machine

ScienceDaily
Mar 12, 2026, 1:53 am64 ptsTrending
Scientists at Curtin University have uncovered a new way to read the deep history of Earth’s landscapes using microscopic zircon crystals from ancient beach sands. These incredibly durable minerals trap traces of krypton gas created when cosmic rays strike them at Earth’s surface, effectively turning each…

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