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how we found remnants of Earth’s primordial crust near Perth

  • Written by Chris Kirkland, Professor of Geochronology, Curtin University
how we found remnants of Earth’s primordial crust near PerthLukas Gojda / Shutterstock

Our planet was born around 4.5 billion years ago. To understand this mind-bendingly long history, we need to study rocks and the minerals they are made of.

The oldest rocks in Australia, which are some of the oldest on Earth, are found in the Murchison district of Western Australia, 700 kilometres north of Perth. They have...

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