Tag Archives: ‘Snowball

Formation of coal virtually turned our planet right into a snowball

Whereas burning coal right now causes Earth to overheat, about 300 million years in the past the formation of that very same coal introduced our planet near international glaciation. For the primary time, scientists present the huge impact in a … Continue reading

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Explosive underwater volcanoes were a major feature of ‘Snowball Earth’

Extensive underwater volcanism during ridge spreading led to rapid alteration of volcanic deposits and major changes in ocean chemistry. Credit: Gary Hincks Around 720-640 million years ago, much of the Earth’s surface was covered in ice during a glaciation that … Continue reading

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