Image: Shocked quartz

Shocked quartz

Shocked quartz specimen.

Photographer:
Alan Hildebrand
Rights:
© Alan Hildebrand

Notes

Shocked quartz has a crystal structure altered by sudden extreme pressure from either violent volcanic eruptions or meteorite impacts. Samples from the end-Mesozoic extinction layer are most likely caused by a meteorite impact.

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Tags meteorite impacts, Mesozoic, Cretaceous, extinction event,