The Grand Canyon holds 1.8 billion years of Earth's history
The Grand Canyon's stunning rock layers unveil 1.8 billion years of Earth's dynamic geological evolution, acting as a natural time capsule for our planet's past.
The Grand Canyon's rock layers are an incredible natural archive, revealing 1.8 billion years of Earth's geological past. From the ancient Vishnu Schist, nearly 1.7 billion years old, to the younger Kaibab Limestone formed 270 million years ago, these visible strata document dramatic shifts in climate, sea levels, and life forms, including early marine creatures.
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