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Meteorites key to the story of Earth's layers

A new analysis of the chemical make-up of meteorites has helped scientists work out when the Earth formed its layers.The research by an international team of scientists confirmed the Earth's first crust had formed around 4.5 billion years ago.The team measured the amount of the rare elements hafnium and lutetium in the mineral zircon in a meteorite that originated early in the solar system.

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sciencedaily.com
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Sahil2044d ago

Determining how and when the layers formed relies on knowing the composition of the original material that formed into the Earth, before differentiation