fossils

52-Million-Year-Old Tree is First of Its Kind in Southern Hemisphere

Millions of years ago, a volcano erupted in what's now the Patagonia region of southern Argentina, leaving behind a huge caldera. Water accumulated in the crater, and eventually it became a lake teeming with countless plants, insects, and other life-forms. Over time, these creatures fossilized deep within the lake's layers of mud and ash, creating a kind of geological jackpot for today's paleontologists.
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