Oklahoma Geological Survey

State geological survey

Appears in 1 story · Last updated Oct 14, 2026

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Oklahoma meteor crater redated, tied to Devonian mass extinction

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Permitted sampling at the Ames structure

A meteor crater buried beneath Oklahoma is nearly 100 million years younger than scientists thought. Zircon crystals from the Ames impact structure date the strike to about 370 million years ago, not 467 million years ago as previously believed.

Updated Oct 14