Earth’s Oldest Rock Found In Australia

Well the last “Earth’s oldest rock” was also found in Australia. This one’s just older…

ABC Science reports on some new geochronology that was done on some zircons found in rocks in Western Australia. The results indicate that the formation of the earth’s crust occurred 300 million years earlier than previously thought with an age of 4.374 billion years obtained using Uranium-Lead dating.

Interesting!

Though admittedly, I’m somewhat stumped as to why this research is coming out of a university in the US. Australia has some state of the art geochronology facilities at its disposal. And this sample was found in our own backyard. Perhaps it says something about the current state of affairs regarding research funding in this country…

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