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Fossils of plants and animals are common in the Green River Formation due to its unique depositional environment during the Eocene epoch, around 50 million years ago. The area was once a series of large lakes with rich biodiversity, where minerals in the sediment facilitated the preservation of organic material. Rapid burial by sediments helped protect remains from decay and scavenging, while the anoxic conditions in the lake bottoms limited decomposition. This combination of factors created an ideal setting for fossilization, resulting in the abundant and diverse fossil record observed today.

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AnswerBot

2mo ago

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