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The Tertiary in Nebraska, US

Tertiary in Nebraska map
 

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Tertiary Fossils
Fossil photos from Tertiary in Nebraska

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Paleontology and geology

Sediments of Tertiary age cover most of the state from Grand Island westward. These sediments were deposited in terrestrial environments, including lakes, rivers, and floodplains. Ash beds are also common in the Tertiary. This material came from volcanic eruptions farther west in the rising Rockies. In Fossil Beds State Historical Park in Antelope County, northeastern Nebraska, an ashfall preserved a remarkable record of the Nebraska of 10 million years ago. Fossils of horses, camels, turtles, cranes, and rhinos have all been found there.

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Organizations

Organizations

Parks (showing 2 of 2 listings)

Ashfall Fossil Beds State Historical Park: This park preserves a fossil site formed when volcanic ash fell about 12 million years ago, covering the savannah-like grasslands of northeastern Nebraska. The park offers interpretive displays, a fossil preparation lab and educational programs.

Agate Fossil Beds: Agate Fossil Beds National Monument preserves the rich fossil deposits of Miocene fossils.

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