Zircon crystals reveal Earth's oldest impact crater in Western Australia formed 3.024 billion years ago

universetoday.com

Zircon crystals have dated Earth's oldest known impact crater in Western Australia to 3.024 billion years ago. The North Pole Dome crater's age was determined by analyzing minerals, particularly zircon, which acted as a "mineral clock" reset by the impact event. This discovery provides a rare glimpse into the violent processes that shaped the early Earth during the Archaean Eon.


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Zircon crystals reveal Earth's oldest impact crater in Western Australia formed 3.024 billion years ago | News Minimalist