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Ashfall Fossil Beds

View on map:42.420431°N 98.155203°W

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The beds are some of the most prolific at producing fossils of many species that once roamed Nebraska during the Miocene including rhinoceros, elephant, camel, sabor-toothed tiger, wild dogs, etc.  The fossils are encased in a volcanic ash layer erupted from Bruneau-Jarbidge caldera (supervolcano) in Idaho 11.83 million years ago.  The ash spread over seven states. 

Description


Ashfall Fossil Beds

The Ashfall Fossil Beds of Antelope County in northeastern Nebraska are among the rare preservation sites called lagerstätten, which preserve ecological "snapshots" from a moment in time, due to extraordinary local conditions that have preserved a range of fossilized organisms undisturbed.

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