Grand Canyon reveals major gap in Colorado River chronology

A geological study of the Grand Canyon identifies a major chronological gap in the erosion history of the Colorado River.

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The fact

This discontinuity in geological layers questions existing theories about the canyon's age and formation.

Researchers explore possible causes of this missing sedimentary record spanning several million years.

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Apr 21Grand Canyon reveals major gap in Colorado River chronologythis article

Auto-synthesis from 1 media source · identified on April 21, 2026