Earth's Ice Age Transition Discovered

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snowball Earth events

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geological periods

Live Science

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'Golden spike' showing the moment Earth turned into a giant snowball discovered in ancient Scottish rocks

Summary

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81% Informative

Scientists have found rocks on a remote archipelago in the Inner Hebrides of Scotland .

The rocks date from 720 million to 662 million years ago .

They provide a rare complete record of the transition between a warm tropical environment and a "snowball Earth " If confirmed, the rocks could be declared a "golden spike".

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formal

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English

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