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Level 8

Ice Ages

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Huronian glaciation
Major ice age 2400–2100 mya
Cryogenian glaciation
Major ice age 800–635 mya
Andean-Saharan glaciation
Major ice age 450–420 mya
Karoo Ice Age
Major ice age 360–260 mya
Quaternary glaciation
The current ice age since 2.6 mya