🔬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.
Published 11sem·1 sourceNotable·updated 11sem
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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Story timeline
Apr 21Grand Canyon reveals major gap in Colorado River chronologythis article