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Cretaceous 'Pompeii' of China isn't what we thought

Live Science
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77% Informative

The Yixian Formation was known as the "Pompeii" of the dinosaur world .

It holds some of the best preserved fossils on Earth .

The fossils are found in two forms: flattened specimens found in lake sediments and three -dimensional, lifelike skeletons.

The study's findings challenge the long-standing theory that volcanic activity was responsible for preserving the fossils.