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Snowball Earth
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- 1Snowball Earth cooling may have carved crust like glaciers▼Snowball refrigeration of Earth’s crust mimics glacial erosion
Researchers report that during Snowball Earth episodes, deep refrigeration of the planet's crust produced erosion patterns resembling those left by glaciers. The finding suggests ice-age-scale freezing penetrated far enough into rock to reshape the surface even beyond the ice sheets themselves, offering a new explanation for some ancient geological features and refining models of Earth's most extreme climate era.