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The Port Askaig Formation, which is made up of layers of rock up to 1.1km thick, was likely laid down between 662 and 720 million years ago.
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Scottish and Irish rocks may be rare record of ‘snowball Earth’, study suggests
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The Port Askaig Formation, which is made up of layers of rock up to 1.1km thick, was likely laid down between 662 and 720 million years ago.
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