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Challis Volcanics

Geological formation in Idaho, USA From Wikipedia, the free encyclopedia

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The Challis Volcanics is a geologic formation in Idaho. It preserves fossils dating back to the Paleogene period.

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References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.

This article about a specific stratigraphic formation in Idaho is a stub. You can help Wikipedia by expanding it.

This article related to the Paleogene period is a stub. You can help Wikipedia by expanding it.

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