Scientists have discovered glass in the Atacama Desert (home to a large observatory!) was made by a cometary airburst:

https://www.ctvnews.ca/sci-tech/an-ancient-fireball-turned-kilometres-of-the-world-s-driest-desert-into-glass-1.5652482

about 12,000 years ago.

Could it be that the extinction of the megafauna, like iguanas that were as big as dinosaurs, was due to this, and not to the first people of the Americas? At first, despite the coincidence in time, that seems unlikely, as it wasn't enough to cause a
mass extinction. Or was it?

John Savard

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On Wednesday, 13 April 2022 at 13:35:46 UTC-4, Quadibloc wrote:

Scientists have discovered glass in the Atacama Desert (home to a large observatory!) was made by a cometary airburst:

https://www.ctvnews.ca/sci-tech/an-ancient-fireball-turned-kilometres-of-the-world-s-driest-desert-into-glass-1.5652482

about 12,000 years ago.

Could it be that the extinction of the megafauna, like iguanas that were as big as dinosaurs, was due to this, and not to the first people of the Americas? At first, despite the coincidence in time, that seems unlikely, as it wasn't enough to cause a

mass extinction. Or was it?

John Savard

Well, they just exonerated primitive man for wiping out the mastodon, apparently they didn't drive them off cliffs to extinction.

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On Thursday, April 14, 2022 at 8:29:00 PM UTC-6, RichA wrote:

Well, they just exonerated primitive man for wiping out the mastodon, apparently they didn't drive them off cliffs to extinction.

The next thing you know, they'll have to rename Head-Smashed-In Buffalo Jump, a location in my current province of Alberta.

John Savard

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