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Earth’s oldest asteroid impact found in Australia, dated at 3.02 billion years ago

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Source: Space
Earth’s oldest asteroid impact found in Australia, dated at 3.02 billion years ago
Photo: Space
TL;DR Summary

Dating of zircon crystals in rocks at the Miralga Impact Structure (North Pole Dome) in Western Australia places the asteroid impact at about 3.02 billion years ago, making it the oldest known Earth impact site and linking the event to the Late Heavy Bombardment era while shedding light on early crust formation and nearby signs of ancient life.

Topics:science#asteroid-impact#australia#earth-history#geology#space
Share this article
  1. 3 billion years old! This Australian crater is the oldest known asteroid impact site on Earth  Space
  2. Scientists in Australia find ‘smoking gun’ evidence of world’s oldest meteorite strike  The Guardian
  3. 'Unequivocal evidence' of Earth's oldest impact crater turns out to be off by half a billion years  Live Science
  4. Earth’s oldest asteroid impact struck 3 billion years ago  Popular Science
  5. Asteroid crater in Pilbara confirmed again as world's oldest  Australian Broadcasting Corporation

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