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Sandstone

A meteorite struck the Earth. Within seconds, the impact sent out a shock wave that created cone-shaped fractures, called shattercones. Their tips originally pointed to the impact site.

Group: Sedimentary
Image Number: 2002-11810
Catalog Number: 113572
Time Period: Formed 140 million years ago
Collected by Museum staff , 1976
Locality: Gosses Bluff , Australia

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Smithsonian National Museum of Natural History Department of Mineral Sciences website Credits