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About 29 million years ago, the sands of the western Egyptian desert melted and created tiny pieces of canary yellow glass — some of which ended up decorating King Tut's pectoral (chest ornament).
An ancient meteor impact melted sand into Libyan desert glass.
Study - Glass - Pieces - Mineral - Reidite
A new study suggests it's the former. The glass once contained pieces of a rare "shocked" mineral called reidite, which forms only during a meteorite impact, researchers from Australia and Austria reported May 2 in the journal Geology.
A species of bird evolved to be flightless, twice!
Shock - Waves - Airbursts - Reidite
These ground-based shock waves, but not the airbursts, are strong enough to also create reidite.
In the new study, the researchers analyzed grains of the mineral zircon found in the...
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