Ancient ‘snowball’ Earth had frigidly briny seas

12 January 2026 Off By Bambam

Nature, Published online: 12 January 2026; doi:10.1038/d41586-025-04081-6

Ocean temperatures well below freezing in Earth’s deep-past glacial phases imply some very salty waters.

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Ancient ‘snowball’ Earth had frigidly briny seas

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