Scientists find ‘smoking gun’ evidence of world’s oldest meteorite strike in Western Australia
Muscovite, a shiny silver mineral in a vein that cut across the shatter cone, gave an age of about 1.66 billion years.
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Summary
Two clocks, in different minerals and different rocks, pointed to the same event about 3.02 billion years ago. Its rocks preserve the trace of a space impact from 3.024 billion years ago – a rare page from the violent youth of our planet, with the date still written in the stone. A study claims that the North Pole Dome crater in Western Australia was caused by an asteroid strike 3 billion years ago, but other researchers dispute the proposed age.
Furthermore, Ancient rocks in Western Australia’s Pilbara region record the event, which occurred during the Archean eon, a period 4 to 2.5 billion years ago, when tectonic plates were beginning to form and early life emerging. Curtin University researchers use innovative techniques to date three-billion-year-old impact crater in Pilbara region A meteorite that struck Earth three billion years ago left behind a “smoking gun” – evidence of the world’s oldest impact crater in a remote part of Australia.
Cross-referenced from 4 sources.
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Reported detailssecondary facts, each attributed to its source
Two clocks, in different minerals and different rocks, pointed to the same event about 3.02 billion years ago.
according to The Conversation - AustraliaIts rocks preserve the trace of a space impact from 3.024 billion years ago – a rare page from the violent youth of our planet, with the date still written in the stone.
according to The Conversation - AustraliaA study claims that the North Pole Dome crater in Western Australia was caused by an asteroid strike 3 billion years ago, but other researchers dispute the proposed age
according to New ScientistAncient rocks in Western Australia’s Pilbara region record the event, which occurred during the Archean eon, a period 4 to 2.5 billion years ago, when tectonic plates were beginning to form and early life emerging.
according to The Guardian - World +1Curtin University researchers use innovative techniques to date three-billion-year-old impact crater in Pilbara region A meteorite that struck Earth three billion years ago left behind a “smoking gun” – evidence of the world’s oldest impact crater in a remote part of Australia.
according to The Guardian - World +1
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