Science
52-foot-tall ‘megaripples’ from dinosaur-killing asteroid are hiding under Louisiana – Livescience.com
These are the largest known megaripples on Earth.
Ancient “megaripples” as tall as five-story buildings are hiding deep under Louisiana, and their unique geology indicates that they formed in the immediate aftermath of the asteroid strike that killed the nonavian dinosaurs
, a new study finds.
The 52-foot-tall…
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