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EPISODE · Sep 20, 2020 · 26 MIN

John Valley on the Early Earth

from Geology Bites · host Oliver Strimpel

The Earth was formed just over 4.5 billion years ago.  What happened just after it formed and what were conditions like then?  John Valley reveals what we have managed to discover about our planet’s very distant past, and how we did it.

Episode metadata supplied by the publisher feed · Published Sep 20, 2020

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John Valley on the Early Earth

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