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Impact Events

Chicxulub Crater Asteroid Impacts Ordovician Period Tektites Younger Dryas Impact Hypothesis Geological History Chicxulub Impact Solar System History Cosmic Impacts

Australian 'Ananguites' Point to a Giant 11-Million-Year-Old Impact With No Known Crater

Geochemical tests on museum glass shards point investigators toward volcanic arcs north of Australia.

Shocked Quartz at Three Clovis Sites Revives Case for Younger Dryas Comet Airburst