When a Billion Years Disappeared

The video explores the geological history of the Grand Canyon, focusing on the Great Unconformity, a significant gap in the geological record. It discusses sedimentary processes, the Proterozoic Eon, and the supercontinent Rodinia. The Snowball Earth hypothesis is introduced, with debates on whether it caused or resulted from the Great Unconformity. The video also examines how these geological events impacted life and ocean chemistry.

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